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Symptoms » Pain » Glossary
 

Glossary for Pain

Medical terms related to Pain or mentioned in this section include:

  • 22q11.2 deletion syndrome: A rare genetic disorder caused by the absence of a small portion of genetic material. A small section of chromosome 22 is missing at a location called q11.2. Chromosome 22 is one of 23 pairs of chromosomes that exist in humans.
  • 3-methylglutaconic aciduria, type 4: A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid. Type 4 is characterized by symptoms which overlap type 1 and 3.
  • AIDS: A term given to HIV patients who have a low CD4 count (below 200) which means that they have low levels of a type of immune cell called T-cells. AIDS patients tend to develop opportunistic infections and cancers. Opportunistic infections are infections that would not normally affect a person with a healthy immune system. The HIV virus is a virus that attacks the body's immune system.
  • ALL-Down syndrome: The presence of acute lymphoblastic leukemia in Down syndrome patients. These patients tend to have a poorer prognosis for the leukemia than patients without Down syndrome.
  • ARTS syndrome: A rare lethal syndrome characterized by deafness, optic atrophy and ataxia.
  • Abalone poisoning: Abalone are a shellfish that are commonly eaten by humans. The internal organs of the abalone sometimes contain toxins which can cause various symptoms. The toxins are believed to originate from toxic components in the abalones diet.
  • Abdomen burning sensation: Burning sensation of the abdomen can be superficial or deep in nature.
  • Abdomen numbness: Sensation of abdominal numbness.
  • Abdomen sensitivity: Raised abdominal response to stimulus.
  • Abdomen tingling: Prickling or stinging sensation felt in the abdomen.
  • Abdominal Cancer: Growth of abnormal cells (tumour) affecting the organs in the abdominal cavity; may be due to primary growth of a tumour or spread from another tumour (metastases, secondary tumour)
  • Abdominal Cramps in Pregnancy: Abdominal Cramps in Pregnancy are spasms of pain felt in the region between the lowest line of the ribs and the pubic/pelvic bones.
  • Abdominal Hernia: A protrusion of the intraabdominal contents through a defect in the abdominal wall
  • Abdominal Injuries: Any injury involving the abdomen. Injuries may penetrating or caused by a fall or blow to the abdomen. Symptoms are variable depending on the nature of the injury.
  • Abdominal Neoplasms: A tumor that occurs in the abdomen.
  • Abdominal Pain: Pain in the abdominal area or stomach.
  • Abdominal Pain in Pregnancy: Moderate to severe discomfort in the abdomen, occurring during pregnancy, which may or may not be related to pregnancy.
  • Abdominal Tenderness in Pregnancy: Abdominal Tenderness in Pregnancy is a painful sensation felt in the region between the lower border of the ribs and the pelvis.
  • Abdominal aortic aneurysm: A weakness and bulging of a section of an abdominal blood vessel called the abdominal aorta. It is usually associated with severe atherosclerosis in the blood vessel.
  • Abdominal chemodectomas with cutaneous angiolipomas: A rare genetic condition involving the growth of a tumor-like mass of lymphatic tissue in the abdomen.
  • Abdominal conditions: Medical conditions affecting the abdominal region.
  • Abdominal cramps: Painful muscular contractions occurring in the abdomen.
  • Abdominal cramps during pregnancy: Intermittant discomfort in the abdomen, related to abdominal muscles or internal organs, which may or may not be related to pregnancy.
  • Abdominal cystic lymphangioma: A rare form of benign tumor that occurs in infants. It is essentially a malformation of one of the abdominal lymph vessels where a portion is dilated and form a lymph fluid-filled cyst. Symptoms may vary depending on the exact location and size of the cyst.
  • Abdominal discomfort: The sensation of discomfort located in the abdomen
  • Abdominal muscle strain: Damage to the abdominal muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of the damage.
  • Abdominal obesity metabolic syndrome: A syndrome characterized by a group of conditions that are considered major risk factors for diabetes mellitus and cardiovascular disease.
  • Abdominal pain: Pain in the abdominal area or stomach.
  • Abdominal pain exacerbated by exercise: Any acute or chronic pathological condition of the abdomen can be exacerbated by physical exercise or a sporting activity. Some of the abdominal conditions which can be worsened by exercise or sports include
  • Abdominal pain in adults: Abdominal pain in adults refers to abdominal discomfort that occurs in adults.
  • Abdominal pain in children: Abdominal pain in children refers to discomfort or pain in the abdomens of children.
  • Abdominal pain in mesenteric ischemia: Abdominal pain in mesenteric ischemia is a condition in which a person with mesenteric ischemia is experiencing abdominal discomfort.
  • Abdominal pain in the elderly: Abdominal pain in the elderly refers to an older adult who has abdominal discomfort.
  • Abdominal pain in the second trimester: Abdominal pain in the second trimester refers to pain, cramping, or discomfort that occurs in the abdomen during the second trimester of pregnancy.
  • Abdominal pain similar to Inflammatory bowel disease: it is a lower central abdominal pain
  • Abdominal pain that worsens with menses: also known as dysmenorrhea
  • Abdominal pain worsened by exercise: Abdominal pain in case of exercise is usually due to muscle cramps but previously present abdominal pain can be worsened in the following cases
  • Abdominal rebound tenderness: Where pain is felt on the release of applied pressure upon the abdomen.
  • Abdominal rebound tenderness in Pregnancy: Abdominal rebound tenderness in pregnancy is the feeling of pain that occurs immediately after an examiner removes the hand with which he/she has been palpating the abdomen.
  • Abdominal swelling: Swelling or bloating of the abdomen
  • Abdominal tenderness: Abdominal point tenderness refers to the pain you feel when pressure is applied to a specific part of the belly area
  • Abdominal wall burning sensation: Burning sensation of the abdomen can be superficial or deep in nature.
  • Abdominal wall inflammation: Inflammation of the abdominal wall or inflammation of the abdominal organs.
  • Abdominal wall itch: An irritating abdominal skin sensation due to various etiological factors.
  • Abdominal wall numbness: Sensation of abdominal numbness.
  • Abdominal wall sensitivity: Raised abdominal response to stimulus.
  • Abdominal wall tingling: Prickling or stinging sensation felt in the abdomen.
  • Abnormal pain: The abnormal presence of pain that one may feel
  • Abnormal peripheral neuropathy:
  • Abnormal sensations: altered sensations due to involvement of the posterior column
  • Abnormal sensations as in case of diabetes mellitus: altered sensations due to involvement of the posterior column
  • Abnormal sensitivity to light: dislike of bright light
  • Abnormal sensitivity to light in both eyes: Abnormal sensitivity to light in both eyes is a condition in which the eyes are unusually sensitive to light, also called photosensitivity.
  • Abnormal sensitivity to light in one eye: Abnormal sensitivity to light in one eye is a condition in which one eye is unusually sensitive to light, also called photosensitivity.
  • Abnormal sensory nerve action potential and sensory conduction velocity: An investigation used to determine nerve function and the conduction velocity of a nerve
  • Abnormal taste sensation: Abnormal taste sensation refers to an unusual or unexpected taste in the mouth.
  • Abnormalities, Radiation-Induced: Conditions arising from the use of radiation therapy to treat various cancers. Radiation therapy can result in minor abnormalities such as dry, flaky skin or serious abnormalities such as cancer.
  • Abruptio placentae: A condition which is characterized by the premature detachment of the placenta from the uterus
  • Abscess: This is an area of puss collected in a cavity which is constituted by necrotised tissue
  • Absence of thirst in children: Absence of thirst in children is a condition in which a child is not thirsty.
  • Absolute Glaucoma: The final stage of blindness in glaucoma in which a glaucoma-induced increase in intraocular pressure results in permanent vision loss.
  • Acanthamoeba infection: Infection with a microscopic, free-living ameba that is readily found in the environment - soil, air and water. Most people exposed to the ameba will not become infected but when infections do occur, they tend to affect the eyes, central nervous system or can cause widespread infection throughout the body.
  • Acanthamoeba infection of the central nervous system: Infection by an amoebic organism called Acanthamoeba. Infection usually occurs when the amoeba enters through a break in the skin or through the nose. Infection can be localized or systemic where it can involve the central nervous system and cause potentially fatal meningoencephalitis. Infection of the eye can occur by cleaning contact lenses in contaminated water.
  • Acanthamoeba infection of the eye: Infection by an amoebic organism called Acanthamoeba. Infection usually occurs when the amoeba enters through a break in the skin or through the nose. Infection can be localized or systemic where it can involve the central nervous system and cause potentially fatal meningoencephalitis. Infection of the eye can occur by cleaning contact lenses in contaminated water.
  • Acanthamoeba keratitis: Infection of the eye with a microscopic, free-living ameba (Acanthamoeba) that is readily found in the environment - soil, air and water. Infection most often occurs through exposure to contaminated water while wearing contact lenses e.g. swimming or showering in infected waters.
  • Acanthocheilonemiasis: A rare tropical infection caused by a particular threadworm usually found in Africa. It may cause skin rashes, muscle and joint pains, neurologic disorders and skin lumps. The cerebrospinal fluid may also contain the larvae.
  • Acanthocytosis: A rare disorder where most of the red blood cells are abnormal with spiny projections due to lipid abnormalities. The blood abnormality is seen in conditions such as abetalipoproteinemia, severe liver disease and severe malnutrition. Symptoms and prognosis depend on the underlying disorder.
  • Acanthosis nigricans muscle cramps acral enlargement: A rare syndrome characterized mainly by muscle cramps, dark velvety patches of skin and large hands and feet.
  • Accelerated hypertension: Accelerated hypertension is a condition characterized by a rapid increase in blood pressure. The condition is a medical emergency which can cause organ damage if not treated promptly.
  • Accelerated silicosis: An occupation lung disease caused by breathing in silica dust over a long period of time. The lung damage becomes symptomatic and affects breathing and often causes weight loss as well.
  • Accessory bone pain in children: Accessory bone pain in children is any discomfort or pain in the accessory bones in children.
  • Accessory navicular bone: An abnormal bone that develops in the arch in the middle of the foot. Often there are no symptoms but if the bone is large it may rub against shoes and cause problems.
  • Accident or injury conditions: Medical conditions caused by accidents or physical injuries.
  • Accidental Eye Injury: The accidental injury to an eye
  • Aceruloplasminemia: A rare genetic disorder characterized by a lack of the protein ceruloplasmin in the blood resulting in a buildup of iron in the liver, brain and pancreas. This in turn causes diabetes and degeneration of the neural system causing tremors and walking abnormalities.
  • Acetaminophen poisoning: Excessive ingestion of a drug called acetaminophen.
  • Achalasia: A rare condition where the patients muscles, such as the cardiac sphincter of the stomach, are unable to relax.
  • Achalasia, familial esophageal: A rare familial disorder where the esophagus lacks the normal peristaltic motions that help food move through the digestive system.
  • Achalasia, primary: A rare motor disorder of the esophagus characterized by inability of the lower esophageal sphincter and esophageal muscle to relax as well as dilation of the esophagus. The disorder is not associated with any other disease or disorder.
  • Achenbach syndrome: A rare condition where a blood blister the size of a coin develops spontaneously on the palm of the hand. Sharp pain and redness accompany the blood blister. In some cases the blood blister can develop after strain or temperature change.
  • Aches: General body aches or muscle aches
  • Aches in pregnancy: Aches in pregnancy are physical areas of discomfort felt in any part of the body, but usually confined to the torso, including the pelvis and ribs. Aching legs are also common.
  • Achilles tendon burning sensation: burning sensation of the Achilles tendon usually due to systemic disorders.
  • Achilles tendon numb: Abnormal sensations felt in the Achilles tendon.
  • Achilles tendon pain: Achilles tendon also known as the calcaneal tendon is the tendon of the posterior part of the leg.
  • Achilles tendon sensitive: Increased responsiveness to stimulation.
  • Achilles tendon tingling: Prickling or stinging sensation felt in the Achilles tendon.
  • Achilles tendonitis: Achilles tendonitis is a condition of irritation and inflammation of the large tendon in the back of the ankle.
  • Aching eyes: A sensation of aching located in the eyes
  • Aching joints: A sensation of aching located in the joints
  • Aching muscles in children: Aching muscles in children is a condition in which a child's muscles ache.
  • Aching muscles of both arms: Aching muscles of both arms is an aching of the muscles of both arms.
  • Aching pain: severe pain in the body
  • Achrestic anemia: Achrestic anemia is a form of anemia similar to that caused by Vitamin B12 deficiency but it doesn't respond to treatment with Vitamin B12. The condition tends to progress slowly and can result in death if not treated. There are a variety of possible causes.
  • Achromatopsia 2: A rare form of colorblindness involving atypical rod monochromatism which and causing pendular nystagmus and photophobia.
  • Achromatopsia 3: A rare form of colorblindness which also involves myopia.
  • Achromatopsia incomplete, X-linked: An inherited form of blue color blindness.
  • Achromatopsia type 2: A rare form of colorblindness involving atypical rod monochromatism which and causing pendular nystagmus and photophobia.
  • Achromatopsia with Myopia: A rare form of colorblindness which also involves myopia.
  • Acid regurgitation: The regurgitation of stomach contents
  • Acid-Base Imbalance: A disruption to the normal acid-base equilibrium in the body. There are four main groups of disorder involving an acid-base imbalance: respiratory acidosis or alkalosis and metabolic acidosis or alkalosis. Obviously the severity of symptoms is determined by the degree of imbalance.
  • Acidic dry cell batteries inhalation poisoning: Acidic dry cell batteries contain toxic chemicals which can cause symptoms if inhaled. The smoke emitted from burning batteries can also cause poisoning symptoms if sufficient quantities are inhaled. The type and severity of symptoms varies depending on the amount of chemical involved.
  • Acidic tastes: Acidic or metallic taste in mouth
  • Acinic cell carcinoma: A usually slow-growing malignant tumor that that can occur in various parts of the body but is most often found in the pancreas, salivary glands, palate and upper lip. Symptoms are determined by the size and location of the growth.
  • Ackerman Dermatitis Syndrome: A rare condition characterized by the association of skin and joint symptoms. It is characterized by arthritis preceded by a skin rash (interstitial granulomatous dermatitis) which can vary in appearance from person to person. The condition tends to go through periods of flares and remission.
  • Acorn poisoning: Acorns contain tannic acid which affects the metabolism of proteins and causing serious symptoms if large amounts are consumed. The amount of tannin in the acorn varies amongst species - higher tannin content results in a more bitter tasting acorn.
  • Acoustic Neurinoma: A benign tumor of the 8th cranial nerve which lies in the tube connecting the inner ear to the brain.
  • Acoustic neuroma: A rare benign tumor that forms in the hearing canal. Can cause tinnitus, progressive hearing loss, headaches, facial numbness, papilledema, dizziness and an unsteady walk. Speaking and swallowing difficulty can occur in advanced stages. Also called acoustic neurilemoma, acoustic neurinoma and acoustic neurofibroma.
  • Acquired Aplastic Anemia: A rare disorder involving severe failure of the bone marrow to produce new blood cells. Acquired aplastic anemia means that the condition was not present at birth but developed during the persons lifetime. The condition may be caused by such things as autoimmune reactions, radiation and certain drugs, chemicals or viral infections.
  • Acquired angioedema: A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. The disorder occurs in patients with lymphoproliferative or autoimmune disorders which result in the dysfunction of a complex blood protein called C1 inhibitor.
  • Acquired angioedema, type 1: A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. The disorder occurs in patients with lymphoproliferative disorders which affects the function of a complex blood protein called C1 inhibitor.
  • Acquired angioedema, type 2: A rare disorder characterized by recurring episodes of swelling of parts of the skin or mucous membranes. Sometimes internal organs may be involved. Type 2 is an autoimmune disorder where patients develop autoantibodies which destroy the function of C1 esterase inhibitor.
  • Acrodermatitis, persistent: A rare chronic skin condition characterized by the eruption of pustules that usually occur on the ends of fingers
  • Acrodynia: A disease occurring in infants or young children. Symptoms include edema, pruritis, skin rash, extremities are pink, cheeks and nose are scarlet, profuse sweating, digestive disturbance, photophobia, polyneuritis, irritability, listlessness, apathy and failure to thrive.
  • Acrodysostosis: A rare genetic disorder characterized by short hands, small nose, mental deficiency and hand and foot deformities.
  • Acrofacial dysostosis, Nager type: A rare genetic disorder characterized by underdeveloped thumbs, forearm and cheekbones as well as ear defects.
  • Acromegaly: An abnormal enlargement of the limbs due to increased secretion of growth hormone after the cessation of puberty
  • Acroosteolysis neurogenic: A very rare inherited condition characterized mainly by the loss of all sensations - the lose the ability to feel pain, temperature and touch. The loss of sensation generally starts at the toes and fingers and spreads up the limbs and the trunk may also be involved in some cases.
  • Acroparesthesia syndrome: A condition involving episodes of paresthesia (tingling, numbness and stiffness) mainly in the lower arms and hands. It most often occurs in middle-aged women.
  • Actinic prurigo: An inherited tendency to develop an itchy, bumpy rash on exposure to the sun. Generally only the face and lips are affected. Symptoms tend to occur seasonally.
  • Actinomycetales infection: A bacterial infection from the order of Actinobacteria. The range of symptoms is variable depending on which bacteria from the order is involved.
  • Actinomycosis: A chronic infection usually caused by an organism normally found in human bowels and mouths. The disease usually affects the face and neck and results in deep, lumpy abscesses that emit a grainy pus through multiple sinuses.
  • Actinomycotic appendicitis: Chronic suppurative appendicitis resulting from infection by Actinomyces israelii. . It is extremely rare, but it is important to diagnose it, since failure to treat it adequately may result in protracted illness with extensive local spread.
  • Acute (or transient) urinary incontinence: Acute (or Transient) Incontinence is caused by a new or recent medical problem that can be treated.
  • Acute Bokhoror: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
  • Acute Chemical poisoning -- Varnish makers' and painters' Naptha: Varnish makers' and painters' Naptha is an ingredient used in certain pesticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposure over a short period of time whereas chronic exposure occurs over a longer period of time.
  • Acute Disseminated Encephalomyelitis: A type of encephalitis that usually follows an acute viral infection and involves an immune attack on myelin tissue which is part of the nervous system. Initial symptoms include fever, headache, vomiting and drowsiness followed by seizures, coma and paralysis. Often results in permanent neurological disorders.
  • Acute Pain: An acute condition which results in the sensation of distress, or agony due to stimulation of nerve endings
  • Acute Pesticide poisoning -- xylene: Xylene is an ingredient used in certain insecticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposure over a short period of time whereas chronic exposure occurs over a longer period of time.
  • Acute Silicosis: An occupation lung disease caused by breathing in high levels of silica dust.
  • Acute Tracheitis: Tracheitis is a bacterial infection of the trachea and is capable of producing airway obstruction
  • Acute VE: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
  • Acute Viliuisk Encephalitis: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
  • Acute Viliuisk Encephalomyelitis: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
  • Acute Vilyuisk Encephalitis: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
  • Acute Vilyuisk Encephalomyelitis: A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease can be classified according to rate of progression: acute or subacute, slowly progressive and chronic. Death is common in the acute phase of the infection which can last from four days to four months.
  • Acute Vision Changes in Both Eyes (with pain or inflammation): Vision changes occurring in both eyes, of sudden onset or over a short term period of hours to days with associated symptoms of pain and/or inflammation.
  • Acute abdominal pain: Sudden onset pain occurring within the abdomen.
  • Acute abdominal pain in pregnancy: Acute abdominal pain in pregnancy is the sudden onset of abdominal pain in the pregnant woman.
  • Acute appendicitis: Infection of the appendix
  • Acute bronchitis: Respiratory inflammation of the bronchi leading to the lungs
  • Acute chest pain: The sudden and acute onset of pain in the chest
  • Acute cholecystitis: Acute inflammation of the gall bladder, usually due to obstruction by a gall stone
  • Acute cholinergic dysautonomia: A rare condition characterized by the presence of abnormal red blood cells in the bone marrow and blood. The condition is characterized by anemia and generally leads to the development of acute myelogenous leukemia. The acute form has more severe symptoms than the chronic form.
  • Acute chronic headache not migraine-related: conditions which causes severe headache other than migraine
  • Acute chronic herpes-like genital pain: formation of vesicles seen commonly in a rash
  • Acute chronic joint pain: pain in the joints
  • Acute chronic kidney pain: renal related etiologies
  • Acute chronic knuckle pain: severe pain of the heads of the metacarpal bones
  • Acute chronic pain in multiple bones: occurs during physical exercise and is relieved by rest. It usually is a feature of arterial abnormality
  • Acute chronic pain symptoms: continous deep seated pain
  • Acute chronic spinal pain: diseases of the spinal cord
  • Acute chronic tailbone pain: pain due to lesions in the coccyx
  • Acute chronic vaginal pain: pathologies of the vagina
  • Acute colitis-like abdominal pain: conditions which cause pain abdomen similar to that in case of colitis
  • Acute collarbone pain: acute pain due to pathologies related to the clavicle
  • Acute concentration difficulty with headache-like symptoms: is mostly due to an organic cause
  • Acute diabetes-like neuropathy symptoms: also known as peripheral neuropathy is a typical presentation of diabetes but can be a presentation of other diseases too
  • Acute diabetes-like paresthesia symptoms: sensation of sudden, rapid pricking or numbness. It is also called "pins and needles sensation"
  • Acute elbow pain: conditions of the elbow which can cause acute pain for a long period of time
  • Acute erythroleukemia: A rare condition characterized by the presence of abnormal blood cells (erythroblastic precursors) in the bone marrow and blood. The condition is characterized by anemia and generally leads to the development of acute myelogenous leukemia. The acute form has more severe symptoms than the chronic form.
  • Acute fatty liver of pregnancy: A rare complication of pregnancy that can occur in the second half of the pregnancy. It is characterized by excessive fatty deposits in the liver which can be fatal without prompt diagnosis and treatment which involves delivering the baby as soon as possible.
  • Acute feet pain: Acute feet pain is the sudden onset of pain in the feet.
  • Acute fibromyalgia-like chronic pain symptoms: a common disorder, is a syndrome composed of a specific set of signs and symptoms
  • Acute fibromyalgia-like symptoms: a common disorder, is a syndrome composed of a specific set of signs and symptoms
  • Acute fibromyalgia-like symptoms in multiple locations: a common disorder, is a syndrome composed of a specific set of signs and symptoms
  • Acute flank pain: acute flank pain refers to sudden onset pain in one side of the body between the upper abdomen and the back
  • Acute flank pain in pregnancy: Acute flank pain in pregnancy is a feeling of discomfort to the sides of the abdomen. This may occur on one side or both, which may give a clue as to its cause.
  • Acute foot pain: Acute foot pain is a condition in which there is a sudden onset of pain in one foot.
  • Acute forearm pain: forearm pathologies which cause acute pain for a short duration
  • Acute fulminant multiple sclerosis: Malignant Multiple Sclerosis, is a particularly aggressive form of the disease. Thankfully very rare, this highly aggressive form is defined by its swift and relentless decline to significant disability or even death, often within a few weeks or months after the onset of the initial attack. It is characterized by widespread and progressive cerebral white matter destruction or by severe pathological involvement of clinically strategic regions such as brainstem, resulting in bulbar paralysis.
  • Acute gastritis: Acute gastritis is the sudden onset of irritation or inflammation of the stomach.
  • Acute generalized headache in children: Acute generalized headache in children is a condition in which a child experiences a sudden onset of discomfort throughout the head.
  • Acute gerd-like chest pain: must not be overlooked as it may be a medical emergency
  • Acute gerd-like sternum pain: Gerd presents with symptoms such as chest pain, heartburn and dysphagia
  • Acute gout: An acute condition which is caused by a disorder of purine or pyrimidine metabolism resulting in inflammatory arthritis
  • Acute headache: Headache, or cephalgia, is defined as diffuse pain in various parts of the head, with the pain not confined to the area of distribution of a nerve.
  • Acute heartburn after eating: food can be the precipitating factor to cause heartburn
  • Acute heartburn after exercise: exercise maybe be a precipitating factor to some conditions presenting with heartburn
  • Acute heartburn pain resistant to treatment: medication may sometimes not help a condition with heartburn
  • Acute heartburn unrelated to eating: acute heartburn which is constant and not related to eating or any other precipitating factor
  • Acute heartburn with acid reflux: acid reflux related disorders
  • Acute heartburn without reflux: acute heartburn not related to reflux diseases
  • Acute heartburn-like chest pain: must not be overlooked as it may be a medical emergency
  • Acute heartburn-like sternum pain: must not be overlooked as it may be a medical emergency
  • Acute hemorrhagic leukoencephalitis: A rare degenerative brain disease where the patient suffers edema, many small hemorrhages, necrosis of blood vessel walls, demyelination of nerve fibers. Histiocytes, lymphocytes and neutrophils also enter the meninges. Symptoms include severe headache, fever, vomiting and sometimes convulsions and unconsciousness. Also called acute hemorrhagic leukoencephalitis.
  • Acute ibd-like abdominal pain: conditions which causes abdominal pain similar to that in case of inflammatory bowel disease
  • Acute ibs-like abdominal pain: conditions which cause acute abdominal pain similar to that in case of inflammatory bowel disease
  • Acute idiopathic polyneuritis: An inflammatory disorder of the peripheral nerves The condition is characterized by weakness, numbness or tingling in the legs or arms or occasionally loss of movement and feeling in the legs, arms, upper body and face. Some patients have minor symptoms and others suffer severe symptoms such as paralysis. Also called Guillain-Barre syndrome, infectious polyneuritis or acute febrile polyneuritis.
  • Acute intermittent porphyria: A rare inherited metabolic disorder caused by a disturbed porphyrin metabolism resulting in increased production of porphyrin or its precursors. Symptoms include abdominal pain, photosensitivity and neurological disturbances such as seizures, coma, hallucinations and respiratory paralysis.
  • Acute kidney failure: The sudden and acute loss of kidney function
  • Acute leukaemia of ambiguous lineage: A term used to describe a type of leukemia (a blood cancer) where the leukemic cells cannot be determined as myeloid or lymphoid or where both types of cells are present.
  • Acute leukemia: An acute condition which affects a cell line of the blood which shows little or no differentiation
  • Acute liver pain: pain due to pathology in the liver
  • Acute liver pain in pregnancy: Acute liver pain in pregnancy is pain under the ribs on the right side of the upper abdomen. This pain may or may not actually arise from the liver, so other potential causes are also listed.
  • Acute lymphoblastic leukemia: A malignant disease that starts suddenly and progresses quickly. It is characterized by a high number of immature cells in the organs, bone marrow and blood. Symptoms include fever, pallor, anorexia, fatigue, anemia, hemorrhage, bone pain, splenomegaly and frequent infections. Also called acute lymphocytic leukemia.
  • Acute lymphoblastic leukemia, Susceptibility to: Cancer of the white blood cells characterized by the presence of excessive lymphoblasts. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the abnormal blasts or leukemic cells multiply rapidly and reduce the level of other types of blood cells such as red blood cells and platelets. There are two subtypes of leukemia linked to a genetic anomaly which increases a person's susceptibility to developing the cancer. Type 1 is linked to a defect on chromosome 10q21 and type 2 is linked to a defect on chromosome 7p12.2.
  • Acute lymphoblastic leukemia, Susceptibility to, 1: Cancer of the white blood cells characterized by the presence of excessive lymphoblasts. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the abnormal blasts or leukemic cells multiply rapidly and reduce the level of other types of blood cells such as red blood cells and platelets. There are two subtypes of leukemia linked to a genetic anomaly which increases a person's susceptibility to developing the cancer. Type 1 is linked to a defect on chromosome 10q21.
  • Acute lymphoblastic leukemia, Susceptibility to, 2: Cancer of the white blood cells characterized by the presence of excessive lymphoblasts. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the abnormal blasts or leukemic cells multiply rapidly and reduce the level of other types of blood cells such as red blood cells and platelets. There are two subtypes of leukemia linked to a genetic anomaly which increases a person's susceptibility to developing the cancer. Type 2 is linked to a defect on chromosome 7p12.2.
  • Acute lymphoblastic leukemia, adult: Cancer of the white blood cells. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the abnormal blasts or leukemic cells multiply rapidly and reduce the level of other types of blood cells such as red blood cells and platelets.
  • Acute lymphocytic leukemia: A malignant disease that starts suddenly and progresses quickly. It is characterized by a high number of immature cells in the organs, bone marrow and blood. Symptoms include fever, pallor, anorexia, fatigue, anemia, hemorrhage, bone pain, splenomegaly and frequent infections. Also called acute lymphoblastic leukemia.
  • Acute megacaryoblastic leukemia: A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. More specifically, it involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes).
  • Acute meningitis: Acute meningitis is an inflammation of the brain that presents in an acute fashion. The inflammation may be the result of infective agents such as bacteria, viruses and fungi as well as non-infective agents such as certain drugs. Acute forms of meningitis can develop in within hours or days whereas chronic meningitis develops over weeks or months.
  • Acute mercury inhalation: Inhalation of mercury vapor can lead to serious symptoms and even death if sufficient quantities are inhaled. Mercury inhalation is more likely in confined or poorly ventilated spaces. Mercury from a broken thermometer can lead to symptoms if it occurs in a confined space.
  • Acute migraine-like symptoms: conditions which causes severe headache
  • Acute myeloblastic leukemia type 1: A form of blood cancer resulting in the rapid proliferation of immature blood cells (blast cells).
  • Acute myeloblastic leukemia type 2: A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes.
  • Acute myeloblastic leukemia type 3: A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 3 involves the proliferation of promyelocytes.
  • Acute myeloblastic leukemia type 4: A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 4 involves the rapid proliferation of myelocytes and monocytes.
  • Acute myeloblastic leukemia type 5: A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 5 involves the rapid proliferation of monoblasts (immature precursors of monocytes) in particular.
  • Acute myeloblastic leukemia type 6: A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 6 involves the proliferation of the immature precursors of red blood cells called erythroblasts.
  • Acute myeloblastic leukemia type 7: A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 7 involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes) in particular.
  • Acute myelocytic leukemia: A malignant cancer of blood-forming tissues resulting in a high number of immature leukocytes. Symptoms include soft bleeding gums, anemia, fatigue, fever, dyspnea, moderate splenomegaly, joint and bone pains and frequent infections. Also called acute granulocytic leukemia, acute myelogenous leukemia, acute nonlymphocytic leukemia, myeloid leukemia, splenomedullary leukemia, splenomyelogenous leukemia.
  • Acute myelofibrosis: A rare condition where progressive scarring or fibrosis of the bone marrow impairs it's ability to make blood cells causing symptoms such as anemia and liver and spleen enlargement.
  • Acute myeloid leukaemia and myelodysplastic syndromes related to alkylating agent: The use of alkylating agents to treat cancer can result in leukemia in some patients.
  • Acute myeloid leukaemia and myelodysplastic syndromes related to topoisomerase type II inhibitor: The use of topoisomerase type II inhibitors to treat cancer can result in leukemia in some patients.
  • Acute myeloid leukaemia and myelodysplastic syndromes, therapy related: Certain cancer therapies can result in the development of leukemia in some patients. These therapies includes topoisomerase type II inhibitors and alkylating agents.
  • Acute myeloid leukemia: A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets.
  • Acute myeloid leukemia, adult: A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets.
  • Acute myelosclerosis: A rare disorder where the bone marrow makes too many blood cells. The disease progresses rapidly with death usually occurring within 6 months of onset.
  • Acute nausea: The sudden and acute onset of the symptom of nausea
  • Acute nausea and vomiting: Sudden onset unpleasant sensation in the abdomen causing a forcible regurgitation of stomach contents through the mouth
  • Acute nausea and vomiting in pregnancy: Acute nausea and vomiting in pregnancy is the sudden onset of a feeling of sickness in the stomach, associated with vomiting.
  • Acute nausea in pregnancy: Acute nausea in pregnancy is the sudden onset of a feeling of sickness in the stomach, often associated with vomiting.
  • Acute non lymphoblastic leukemia: A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets. It is one of the most common forms of leukemia in adults but can occur in children.
  • Acute pain from intercourse: also known as dyspareunia
  • Acute pain from intercourse in pregnancy: Acute pain from intercourse in pregnancy is the sudden onset of pain in the region of the vagina and pelvis, occurring during intercourse whilst pregnant.
  • Acute pain in both cheeks: Acute pain in both cheeks is pain or discomfort that occurs suddenly in both cheeks.
  • Acute pain in both thumbs: Acute pain in both thumbs is discomfort or pain that occurs suddenly in both thumbs.
  • Acute pain in multiple joints: it could be in the form of pain and swelling
  • Acute pain in one cheek: Acute pain in one cheek is discomfort or pain that occurs suddenly in one cheek.
  • Acute pain in the maxillary sinus on both sides: Acute pain in the maxillary sinus on both sides refers to the sudden onset of discomfort or pain that occurs in both maxillary sinuses in the cheekbone areas of the face.
  • Acute pain in the maxillary sinus on one side: Acute pain in the maxillary sinus on pone side refers to the sudden onset of discomfort or pain that occurs in one maxillary sinus in the cheekbone area of one side of the face.
  • Acute pain sitting down: rest pain occurs when blood flow in the extremity falls below resting tissue requirements
  • Acute pain when walking: also known as intermittent claudication
  • Acute pain when walking in pregnancy: Acute pain when walking in pregnancy refers to pain in the region of the hips, lower back and pelvis, occurring in the ambulant woman during pregnancy and often increasing with gestation.
  • Acute pancreatitis: sudden inflammation of the pancreas
  • Acute panmyelosis: A rare condition where progressive scarring or fibrosis of the bone marrow impairs it's ability to make blood cells causing symptoms such as anemia and liver and spleen enlargement. The disease often progresses rapidly and results in death.
  • Acute pelvic pain in children: Acute pelvic pain in children is a condition in which there is a sudden onset of pain or discomfort in the pelvis of a child.
  • Acute peripheral arterial occlusion: A sudden blockage of a peripheral artery. The blockage may result from a blood clot, embolism, dissection or trauma. Symptoms usually start suddenly.
  • Acute pharyngitis: A condition which is characterized by an acute inflammatory reaction of the pharynx
  • Acute posterior multifocal placoid pigment: A rare eye disease where the central vision in one or both eyes is affected by inflammation or fluid build up in the retina. The retina lies at the back of the eye. Symptoms such as fever, headache and malaise often precede the eye symptoms. The cause of the condition is unknown but may have autoimmune origins.
  • Acute promyelocytic leukemia: A rare bone marrow cancer characterized by a lack of mature blood cells and excessive amounts of immature blood cells (promyelocytes).
  • Acute prostate pain symptoms: conditions which cause acute pain similar to that of pain due to a prostatic pathology
  • Acute prostatitis: An acute condition which affects the prostate which is the result of infammation
  • Acute quadricep pain in the lower limb: Acute quadricep pain in the lower limb is sudden pain or discomfort in the thigh.
  • Acute radiation sickness: Tissue injury can result from exposure to radiation. The radiation dose, rate of dosing and tissues irradiated will determine the severity and type of symptoms. The effects may be chronic, delayed or acute. Acute irradiation sickness usually occurs after abdominal irradiation and lasts for hours or days.
  • Acute retinal necrosis syndrome: An acute infection of the eye usually caused by the chicken pox virus (varicella-zoster), herpes simplex or cytomegalovirus. One or both eyes may be involved.
  • Acute rheumatic fever: Bacterial joint infection with risk of heart complications.
  • Acute shoulder pain: acute pathologies of the shoulder
  • Acute shoulder pain on both sides: Acute shoulder pain on both sides is sudden pain or discomfort that occurs in both shoulders.
  • Acute shoulder pain on one side: Acute shoulder pain on one side is sudden pain or discomfort that occurs in one shoulder.
  • Acute sinusitis: An acute inflammation of the sinuses
  • Acute sole pain on both sides: Acute sole pain on both sides is discomfort or pain that occurs suddenly on both soles of the feet.
  • Acute sole pain on one side: Acute sole pain on one side is a condition in which there is sudden discomfort or pain on the sole of one foot.
  • Acute stress disorder: An acute anxiety state
  • Acute testicular pain in children: Acute testicular pain in children is the sudden appearance of pain or discomfort in the testicle or testicles of a child.
  • Acute thumb pain: Acute thumb pain is sudden pain or discomfort in the thumb.
  • Acute tin poisoning: Acute ingestion of tin can cause various adverse symptoms.
  • Acute toe pain in both feet: Acute toe pain in both feet is a condition in which there is a sudden onset of pain or discomfort in one or more toes in both feet.
  • Acute toe pain in one foot: Acute toe pain in one is a sudden onset of pain or discomfort in one or more toes on one foot.
  • Acute triceps pain on both sides: Acute triceps pain on both sides is pain or discomfort that occurs suddenly in both upper arms.
  • Acute triceps pain on one side: Acute triceps pain on one side is pain or discomfort that occurs suddenly in one upper arm.
  • Acute tubulointerstitial nephritis and uveitis syndrome: The association of a sudden kidney disorder with eye inflammation. Autoimmune processes are believed to be involved.
  • Acute upper arm pain on both sides: Acute upper arm pain on both sides is discomfort or pain that happens suddenly in both upper arms.
  • Acute upper arm pain on one side: Acute upper arm pain on one side is a condition in which discomfort or pain happens suddenly in one upper arm.
  • Acute upper respiratory infection: Upper respiratory tract infections, are the illnesses caused by an acute infection which involves the upper respiratory tract: nose, sinuses, pharynx or larynx
  • Acute urinary conditions: An acute condition that occurs in the urinary system
  • Acute uterine pain: pathologies of the uterus which cause pain for a short duration
  • Acute uterine pain in pregnancy: Acute uterine pain in pregnancy refers to sudden onset of pain in the lower abdomen originating from the uterus in a woman who is pregnant
  • Acute vision changes in one eye (painful or inflamed eye): Vision changes occurring in one eye only, of sudden onset or over a short term period of hours to days with associated symptoms of pain and/or inflammation.
  • Acute vitamin A toxicity: Acute ingestion of vitamin A can cause symptoms. Symptoms usually only last for a day or two.
  • Acute zonal occult outer retinopathy: A very rare eye disorder where the retina at the back of the eye becomes inflamed. Vision loss usually starts suddenly and may then progress for a while. The cause of the inflammation is unknown. Usually vision returns to normal in 1 to 3 years but some people have permanent vision impairment
  • Adam and Eve poisoning: The Adam and Eve plant is a herb with heart-shaped leaves found in Europe. The plant contains a poisonous chemical called calcium oxalate crystals which can cause a variety of symptoms if ingested. Eye exposure can also cause symptoms due to the abrasive nature of the toxic chemical. Ingestion of the plant generally causes severe mouth pain. Skin exposure usually only causes minor, short-lived skin irritation.
  • Adamantinoma: A very aggressive malignant cancer of the jaw. Also called ameloblastoma, adamantoblastoma or epithelioma adamantinum.
  • Addington disease: An epidemic disease which resembles polio and was first recorded in South Africa. The range and severity of symptoms experienced is variable and the disease may persist from a week to 3 months in some cases.
  • Adenine phosphoribosyltransferase deficiency: A rare genetic disorder where an enzyme (2, 8-dihydroxyadenine) deficiency results in urinary tract stone formation.
  • Adenitis: Involves the inflammation of a lymph node and usually occurs in conjunction with an oral pharyngeal or ear infection.
  • Adenocarcinoid tumor: A rare type of tumor that occurs in the gastrointestinal tract and tends to metastasize. The symptoms are determined by the location of the tumors.
  • Adenocarcinoma: Refers to a variety of malignant epithelial cell tumors of the glands.
  • Adenocarcinoma of lung: A tumor that develops in the lining of the lung. The tumor is usually slow growing.
  • Adenocarcinoma, Bronchiolo-Alveolar: A form of lung cancer that develops in the bronchioles or alveoli.
  • Adenocarcinoma, Clear Cell: A type of cancer that occurs mainly in the genitourinary tract and the cells that make up the tumor are clear. It is very rare and most cases occur in females whose mothers used a drug called DES (synthetic estrogen) while pregnant.
  • Adenocarcinoma, Follicular: A type of cancer of the thyroid gland.
  • Adenoid cystic carcionoma: Adenoid cystic carcinoma of the breast is a rare neoplasm. It has a biological course of slow progression and near absence of Iymph node metastasis.
  • Adenoid disorders: A disorder of the adenoids of the throat
  • Adenoids burning sensation: Abnormal sensations in the adenoids.
  • Adenoids itch: Adenoids or nasopharyngeal tonsils are a mass of lymphoid tissue situated at the back of the nose, in the roof of the nasopharynx.
  • Adenoids numb: Abnormal sensations in the adenoids.
  • Adenoids pain: Adenoids or nasopharyngeal tonsils are a mass of lymphoid tissue situated at the back of the nose, in the roof of the nasopharynx.
  • Adenoids tingling: Adenoids or nasopharyngeal tonsils are a mass of lymphoid tissue situated at the back of the nose, in the roof of the nasopharynx. Abnormal sensations in the adenoid.
  • Adenoma, Islet Cell: A pancreatic tumor which may be benign or malignant. Symptoms may vary depending on the location and size of the tumor as well as whether the tumor secretes hormones or not. For example, the tumor may block the biliary duct.
  • Adenomyosis: presence of ectopic endometrial tissue in the myometrium
  • Adenophorea Infections: A parasitic roundworm infection. Roundworms can be found in water and soil environments as well as on plants and in animals.
  • Adenosarcoma of the uterus: A tumor that develops from the glands that line the uterus.
  • Adenosine triphosphatase deficiency, anaemia due to: Deficiency of a chemical (adenosine triphosphate) resulting in anemia.
  • Adenoviridae Infections: Infection with a virus from the Adenoviridae family. The most common sites for infection are membrane linings such as the intestines, respiratory and urinary tract and the eyes. The infection may result in a range of symptoms depending on the particular virus involved. Transmission usually occurs through breathing in the germs or through fecal-oral contact. The infection is contagious.
  • Adenovirus infection in immunocompromised patients: Infection with a virus from the Adenoviridae family that occurs in a patient with a weakened immune system. The infection in these people is serious and can be fatal. The infection may result in a range of symptoms depending on the particular virus involved. Transmission usually occurs through breathing in the germs or through fecal-oral contact.
  • Adenovirus-related Cold: An Adenovirus-related cold is a relatively minor contagious infection of the nose and throat caused by the Adenovirus. Although colds can cause discomfort they are not considered a serious condition.
  • Adhesions: A fibrous band or structure by which parts abnormally adhere
  • Adhesive abuse: Adhesive abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Adhesives include household glues, rubber cement and model aeroplane glue. These adhesives can be abused by sniffing them, spraying directly into the mouth, heating them and then inhaling them or injecting them directly into the body.
  • Adhesive addiction: Adhesive addiction refers to the compulsive need to abuse adhesives (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols are very damaging to the body and can readily result permanent brain damage and even death. Death can occur through chronic use and in rare cases can occur after one session of use. Children and teenagers are particular at risk for this type of addiction - it is readily available and users feel it gains them greater acceptance from their peers. Adhesives includes household glue, rubber cement and model airplane glue.
  • Adhesive capsulitis: disorder in which the shoulder capsule, the connective tissue surrounding the glenohumeral joint of the shoulder, becomes inflamed and stiff, and grows together with abnormal bands of tissue, called adhesions, greatly restricting motion and causing chronic pain.
  • Adie syndrome: A rare condition where the pupil of the eye is dilated and reacts very slowly to light and other stimulus. Knee and ankle reflexes are also impaired.
  • Adies Syndrome: A condition where the pupil of one eye responds slower to a stimulus such as light or change in distance than the other as well as reduced or absent tendon reflexes (eg in the ankle and knee jerk reflexes).
  • Adiposis dolorosa: A condition which mainly affects women and causes painful fatty swellings
  • Adnexal and Skin Appendage Neoplasms: A type of tumour that develops on particular organs - eyes, skin and uterus. The tumors are usually benign but some may become malignant. The symptoms will vary depending on the location of the tumor and whether it is benign or malignant. These type of tumors tend to be most common in middle-aged women.
  • Adnexal tenderness: Tenderness of the appendages or secondary structures of the uterus.
  • Adrenal Cancer: A malignant cancer that develops in the adrenal gland. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormone is involved. Adrenal hormones made in the cortex (outer part of the gland) are aldosterone, corticosteroids and androgenic steroids. Adrenalin and noradrenalin are the hormones made in the medulla (central part of the adrenal gland).
  • Adrenal Cortex Neoplasms: A tumor that develops in the adrenal gland. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormone is involved. Adrenal hormones made in the cortex (outer part of the gland) are aldosterone, corticosteroids and androgenic steroids.
  • Adrenal adenoma, familial: A benign tumor that develops in the adrenal gland and tends to run in families. The tumor may be nonfunctioning (does not produce hormones) or functioning in which case excessive levels of hormones can cause a variety of symptoms depending on which hormone is involved. Adrenal hormones made in the cortex (outer part of the gland) are aldosterone, corticosteroids and androgenic steroids . Adrenalin and noradrenalin are the hormones made in the medulla (central part of the adrenal gland).
  • Adrenal crisis: A potentially fatal condition where the adrenal cortex slows or stops functioning resulting in reduced glucocorticoids, decreased extracellular fluid volume and hyperkalemia. Symptoms include shock, coma, low blood pressure, weakness and loss of vasomotor tone. Also called addisonian crisis.
  • Adrenal disorders: Disorders affecting the adrenal glands
  • Adrenal gland hyperfunction: Excessive activity of the adrenal gland which causes excessive production of one or more adrenal hormones (aldosterone, corticosteroids, androgenic steroids, epinephrine and norepinephrine). The increased adrenal gland activity may be caused by an adrenal gland tumor or by excessive stimulation of the gland. Pituitary hormones stimulate adrenal gland activity.
  • Adrenal gland hypofunction: Reduced adrenal gland activity due to damage to the adrenal gland or lack of stimulation of the gland. Pituitary hormones stimulate adrenal gland activity.
  • Adrenal gland symptoms: Symptoms affecting the adrenal glands
  • Adrenal hyperplasia, congenital type 3: A group of disorders that occur when a deficiency of 21-hydroxylase impairs the normal process of making adrenal corticosteroids. The severity of the condition is variable depending on the degree of deficiency.
  • Adrenal hypertension: Adrenal hypertension is high blood pressure caused by adrenal gland problems. For example, an adrenal tumor can cause excessive production of aldosterone which in turn causes salt-retention and high blood pressure. Severity of symptoms varies depending on the underlying cause.
  • Adrenal hypofunction: A condition which is characterized by a lack of production of hormones from the adrenal gland.
  • Adrenal incidentaloma: A tumor of the adrenal gland that is discovered incidentally while performing an imaging examination for reasons other than an adrenal tumor. The tumor may be asymptomatic or can causes excessive secretion of adrenal hormones and resulting symptoms. The tumor may also be malignant or benign.
  • Adrenal medulla neoplasm: A tumor that develops in the part of the adrenal gland called the medulla which produces adrenalin and noradrenaline. The tumor is usually benign but can be malignant.
  • Adrenocortical carcinoma: A condition which is characterized by malignancy which affects the adrenocortex.
  • Adult Cystic Fibrosis: Cystic fibrosis is an inherited condition characterized by the production of thick sticky mucus by the mucus glands in the lungs, intestines, liver and pancreas. The condition is most often diagnosed in children or young adults but occasionally, relatively mild symptoms may lead to frequent misdiagnosis or no diagnosis at all unless the symptoms become worse. The condition may be misdiagnosed as emphysema, asthma or chronic bronchitis. It is usually females with a mild form of the disease who tend to be diagnosed at a later age.
  • Adult Panic-Anxiety Syndrome: A psychiatric disorder involving anxiety and panic attacks that occur for no obvious reason.
  • Adult hypophosphatasia: An rare inherited bone disorder due to an inborn error of metabolism characterized by a deficiency of alkaline phosphate. The condition involves the early loss of primary teeth and childhood rickets followed by a reasonable health until mid-adulthood when dental and skeletal abnormalities again become prevalent.
  • Adult low grade infiltrative supratentorial Astrocytoma: A type of brain cancer that occurs in the supratentorial region of the brain of adults and is relatively non-aggressive.
  • Adult onset Still's disease: A form of Still's disease that has a later onset and involves arthralgia or arthritis and a characteristic rash that often appears during periods of temperature increase.
  • Adult onset angioedema: Tissue swelling that develops during adulthood. The condition may be caused by a variety of disorders such as certain cancers or allergy.
  • Adult progressive spinal muscular atrophy, Aran Duchenne type: A group of inherited motor neuron diseases involving progressive muscle weakness, wasting and paralysis due to degeneration of motor neurons in the spinal cord. Muscle weakness and wasting usually starts in the hands and may gradually spread to other muscle groups.
  • Adult-onset asthma: Adult-onset asthma is a type of asthma that occurs during adulthood. Asthma involves constriction and inflammation of the airways. The severity of symptoms is variable. Allergies account for about half the cases of adult-onset asthma.
  • Adverse reaction to chemical -- 1,2-Dibromo-3-Chloropropane: 1,2-Dibromo-3-Chloropropane is a chemical used in soil fumigants and as a nematocide for various field crops. Commercial examples include Fumagon, Nemagon, Fumazone, Nemapax, Nemafume. Some people can suffer an adverse reaction to the chemical. The severity of symptoms varies depending on the amount of chemical involved and the route of exposure.
  • Adverse reaction to chemical -- Allyl trichloride: Allyl trichloride is a chemical used mainly as a varnish or paint remover, cleaning agent or degreasing agent. Some people can suffer an adverse reaction to the chemical. The severity of symptoms varies amongst patients.
  • Aerosol abuse: Aerosol abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Aerosols include air fresheners, hair spray, spray pain and deodorants. These aerosols can be abused by sniffing them, spraying directly into the mouth, heating them and then inhaling them or injecting them directly into the body.
  • Aerosol addiction: Aerosol addiction refers to the compulsive need to abuse aerosol (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols are very damaging to the body and can readily result permanent brain damage and even death. Death can occur through chronic use and in rare cases can occur after one session of use. Children and teenagers are particular at risk for this type of addiction - it is readily available and users feel it gains them greater acceptance from their peers. Aerosols includes spray pain, air freshener, deodorants and hair sprays.
  • Aflatoxicosis: Poisoning from ingestion of aflatoxins.
  • Aflatoxin B1 exposure: Aflatoxin B1 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
  • Aflatoxin B2 exposure: Aflatoxin B2 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
  • Aflatoxin G1 exposure: Aflatoxin G1 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
  • Aflatoxin G2 exposure: Aflatoxin G2 is a toxin produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
  • Aflatoxin exposure: Aflatoxins are toxins produced by fungus from the Aspergillus genus. The toxin is carcinogenic in humans and can also cause other health effect, particularly liver problems. The fungus are found frequently in nature and can readily contaminate crops before harvest or during storage. It is common in moist soils and decaying vegetation. There are more than 13 different subtypes of aflatoxin with B1 being the most toxic. The condition is most common in poorly developed countries where there are insufficient controls on the presence of aflatoxin in food.
  • African Sleeping sickness: A disease caused by parasites (Trypanosome brucei gamiense or T. brucei rodesiense) and transmitted to humans by the tsetse fly which is found only in Africa. Causes symptoms such as fever, chills, headache, anemia, edema of hands and feet, enlarged lymph glands, lethargy, sleepiness, convulsions and coma. Also called African trypanosomiasis and sleeping sickness.
  • African milk bush poisoning: The African milk bush originated from African and is a shrubby plant with small flowers. The milky sap contains diterpene esters which can cause symptoms if it is eaten or if the sap comes into contact with the skin or eyes. It can cause severe skin irritation and the high toxicity of the sap can cause death if sufficient quantities are eaten.
  • Agapanthus poisoning: The agapanthus is a flowering herb with long leaves, long thick stems and a cluster of blue or white flowers. The plant originated in South Africa. Skin and eye exposure to sap from the plant can cause irritation and eating the plant can cause severe mouth pain. The skin irritation tends to be short-lived.
  • Age-related macular degeneration: Deterioration of the central field of vision.
  • Aging brain syndrome: Aging processes in the brain can cause various psychological and neurological symptoms.
  • Agranulocytosis: Extremely low level of white blood cells (basophils, eosinophils and neutrophils).
  • Air embolism: A condition where an air bubble enters the cardiovascular system (via injection, intravenous therapy, surgery or puncture wound) and obstructs the blood flow.
  • Air hunger: is the sensation of the urge to breathe
  • Air sickness: disturbance between the central nervous system and the inner ear which affects the balance and equilibrium
  • Airborne allergy: An airborne allergy is an adverse reaction by the body's immune system to airborne allergens such as pollen, mold spores and house dust mites. The specific symptoms that can result can vary amongst patients.
  • Akathisia: A condition characterized by a constant urge to move resulting in the sufferer being unable to sit still. Can be caused by use of anti-psychotic drugs or anti-depressants or can occur spontaneously.
  • Akathisia in children:
  • Aksu von Stockhausen syndrome: A rare condition observed in a Turkish family and characterized by various head and neck malformations that have resulted from abnormal development of the branchial arches.
  • Al Murrah-induced lead poisoning: Al Murrah is a folk remedy used mainly by Saudi Arabian people to treat problems such as stomach pain, diarrhea and colic. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
  • Alarcon-induced lead poisoning: Alarcon is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
  • Albayaidle-induced lead poisoning: Albayaidle is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
  • Albayalde-induced lead poisoning: Albayalde is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. Lead poisoning can result in serious illness and even death in severe cases.
  • Albers-Schonberg disease -- Adult benign dominant form: A rare disorder characterized primarily by increased bone density as old bone is not resorbed and replaced with new bone - is also known as marble bone disease. The adult benign form is associated with a normal life expectancy and is often asymptomatic.
  • Albers-Schonberg disease -- intermediate form: A rare disorder characterized primarily by increased bone density as old bone is not resorbed and replaced with new bone - is also known as marble bone disease. The intermediate form is more severe than the adult form but less severe than the infantile form. Life expectancy is usually normal.
  • Albinism ocular late onset sensorineural deafness: A rare inherited condition characterized by a lack of eye pigmentation and deafness that usually starts in middle-age. Severity of symptoms is variable.
  • Albinism, ocular, autosomal recessive: A rare inherited condition characterized by reduced eye pigmentation with normal, or near normal hair and skin pigmentation.
  • Alcock syndrome: A nerve disorder which causes pain in the pelvic, genital and perianal areas.
  • Alcohol abuse: Excessive alcohol as a symptom of other conditions
  • Alcohol-induced hypertension: Alcohol-induced hypertension is high blood pressure caused by excessive drinking of alcohol.
  • Alcoholic Neuropathy: Neurological changes due to nerve damage from long-term alcohol consumption
  • Alcoholic liver disease: Alcoholic liver disease is the major cause of liver disease in Western countries, (in Asian countries, viral hepatitis is the major cause). It arises from the excessive ingestion of alcohol.
  • Alcoholic polyneuropathy: A condition where damage to many peripheral nerves throughout the body results from excessive alcohol consumption. The sensory nerves tend to be affected more than the motor nerves and the legs are usually more affected than the arms.
  • Alcoholic, reversible acute muscular: Muscle cramps associated with chronic alcohol abuse.
  • Aldehyde syndrome: A metabolic anomaly where consumption of alcohol results in high levels of blood acetaldehyde which causes a variety of symptoms.
  • Aleukemic leukemia cutis: A rare form of leukemia where the skin is involved before the leukemic cells appear in the blood. It is usually an early sign of leukemia.
  • Alkaptonuria: A rare inherited metabolic disease characterized by homogentisic aciduria, arthritis and ochronosis. Symptoms include darkening of urine, alkinization due to overproduction of homogentisic acid, arthritis in the large joints and black ochronotic pigmentation of cartilage and collagen tissue. However, many of these symptoms may not occur until middle age. The condition may also be caused by chronic phenol poisoning.
  • Allen-Masters syndrome: Damage to muscle layers in the pelvis which allows the abnormally increased movement of the cervix. It often occurs after a traumatic surgical birth, induced abortion or excessive vaginal packing.
  • Allergenic cross-reactivity: Studies have indicated that a significant number of people with certain allergies will also have allergic responses to other allergens which have a similar protein. For example patients allergic to birch pollen will often have allergies to plant foods such as apples and peaches. Symptoms can range from mild response to severe allergic reactions. Cross-reactivity tends to have mainly oral allergy symptoms with breathing problems and anaphylactic reactions being extremely rare. Food allergies related to cross-reactivity tend to be less severe than those not related to cross-reactivity.
  • Allergic Disorders: A group of disorders that a caused by an allergic response to allergens
  • Allergic asthma: A form of asthma caused by inhalation of airborne allergenic substance.
  • Allergic conjunctivitis: also known as vernal catarrah
  • Allergic contact dermatitis: An allergic contact dermatitis is where the body's immune system causes a skin reaction in response to direct contact with an allergen. Symptoms usually only affect the skin directly in contact with the allergen but in severe cases, symptoms may spread around the contact site or even become widespread across the body.
  • Allergic seminal vulvovaginitis: Vaginal inflammation following contact with semen after ejaculation.
  • Allergic tension-fatigue syndrome: Variable symptoms caused by food allergy.
  • Allergies: Immune system over-reaction to various substances.
  • Aloe poisoning: Aleo vera is often used on the skin to treat such things as burns and dermatitis. The sap from the leaves contain a chemical called anthraquinone glycoside which can cause skin irritation in susceptible people but can also cause poisoning symptoms.
  • Alpha-Mannosidosis: A rare condition which is characterized by a lysosomal storage defect.
  • Alpine syndrome: A condition that occurs in some people who go to low altitude winter resorts (1500 metres). It tends to mostly affect people who have been fasting when they arrive.
  • Alport syndrome -- mental retardation -- midface hypoplasia -- elliptocytosis: A rare syndrome characterized by the association of Alport syndrome, mental retardation, underdeveloped midface and a blood abnormality (elliptocytosis). Alport syndrome is an inherited condition involving progressive kidney damage and hearing loss.
  • Alport syndrome with macrothrombocytopenia: A rare inherited syndrome characterized by progressive kidney damage and hearing loss as well as macrothrombocytopenia.
  • Alstrom disease: A rage genetic disorder involving a group of abnormalities affecting vision, hearing, kidney function and also characterized by obesity and diabetes mellitus.
  • Alstrom syndrome: A rare, hereditary genetic disorder which is progressive. Initial symptoms in infants are usually extreme light sensitivity, wobbling of the eyes and sometimes dilated dilated cardiomyopathy and congestive heart failure. Young children quickly gain weight and become obese and as they get older, multiple organ systems may be affected causing blindness, hearing loss, type 2 diabetes, heart failure, liver disease, urological dysfunction, pulmonary fibrosis and renal failure.
  • Alström Syndrome: A progressive condition which is characterized by deafness, obesity and visual problems in childhood that may lead to diabetes and kidney failure in adulthood
  • Alternating Bowel Habit IBS: It is a functional bowel disorder characterized by chronic abdominal pain, discomfort, bloating, and alteration of bowel habits in the absence of any organic cause. IBS may be associated with pain disorders.
  • Alveolar Hydatid Disease: Rare multi-organ tapeworm infection caught from animals.
  • Alveolar echinococcosis: A rare parasitic infection caused by the larva of a miniscule tapeworm called Echinococcus multilocularis. Transmission occurs through contact with foxes, coyotes, dogs and cats. The condition results in the development of parasitic tumors in the liver (sometimes other organs such as brain and lungs) but it generally causes no symptom for 5 to 15 years after infection.
  • Alveolitis, extrinsic allergic: A lung disease that tends to occur in people with jobs where they are frequently exposed to organic dust inhalation.
  • Amanita polypyramis poisoning: Amanita polypyramis is a type of large-capped mushroom often found growing in the wild in the US. The mushroom tends to give off a chlorine-like odor. It is poisonous and death can result if sufficient quantities are eaten.
  • Amaryllis poisoning: The Amaryllis plant is a bulbous, flowering herb which originated from South America. The bulb contains alkaloids such as lycorine which are toxic but a large quantity would need to be eaten to cause poisoning.
  • Amaurosis Congenita of Leber, type 12: A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 12 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 1q32.3.
  • Amaurosis Congenita of Leber, type 13: A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is obvious usually by the age of 4 years. Type 13 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 14q23.3, RDH12 gene.
  • Amaurosis congenita of Leber: A rare genetic eye disorder characterized by blindness at birth or within years as well as other eye abnormalities.
  • Amaurosis congenita of Leber, type 1: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type I is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 17p13.1, RETGC1 gene.
  • Amaurosis congenita of Leber, type 10: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 10 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 12, CEP290 gene.
  • Amaurosis congenita of Leber, type 11: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 11 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 7q, IMPDH1 gene.
  • Amaurosis congenita of Leber, type 2: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 2 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 1, RPE65 gene.
  • Amaurosis congenita of Leber, type 3: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 3 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 14q23.3, RDH12 gene.
  • Amaurosis congenita of Leber, type 4: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 4 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 17p13.1, AIPL1 gene.
  • Amaurosis congenita of Leber, type 5: A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 5 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 6q11-q16.
  • Amaurosis congenita of Leber, type 6: A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 6 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 14q11, RPGRIP1 gene.
  • Amaurosis congenita of Leber, type 7: A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 7 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 19q13.3, CRX gene.
  • Amaurosis congenita of Leber, type 8: A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 8 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 1q31-q32.1, CRB1 gene.
  • Amaurosis congenita of Leber, type 9: A rare inherited retinal disease (retinal dystrophy) that usually starts during the fetal stage. Vision impairment is usually apparent at birth or within months of birth. Type 9 is distinguished from the other forms of this condition by the genetic origin of the defect - chromosome 1p36, LCA9 gene.
  • Amebiasis: Intestinal inflammation caused by Entamoeba histolytica and often marked by symptoms such as frequent, loose bowel movements that contain blood and mucus. Also called intestinal amebic dysentery.
  • Amebic dysentery: Intestinal inflammation caused by Entamoeba histolytica and often marked by symptoms such as frequent, loose bowel movements that contain blood and mucus. Also called intestinal amebiasis.
  • American mountain fever: A viral disease transmitted through the bite of ticks (Rocky Mountain wood tick and American dog tick) who are infected with the virus. Because the virus infects blood cells including erythrocytes, transmission can also occur through transfusion with infected blood but this is uncommon. Infection is most common in Canada and parts of western US. The incubation period usually lasts between 3 and 6 days but can be as long as a few weeks. The virus tends to cause to periods of fever each lasting for a few days.
  • Amnesic shellfish poisoning: Rare shellfish poisoning sometimes causing amnesia.
  • Amoebiasis: An infectious disease caused by a free-living amoebic parasite called Entamoeba histolytica. The organism infects the bowel and causes gastroenteritis. Infection occurs through ingesting contaminated food or water. It is more common in countries with poor sanitation. The incubation period may last from days to weeks before symptoms appear.
  • Amphetamine abuse: Use of the stimulant drugs known as amphetamines or "speed"
  • Amphetamine-induced hypertension: Amphetamine-induced hypertension is high blood pressure caused by use of amphetamines. Patients with an existing history of hypertension may suffer further blood pressure increases while taking amphetamines and this can be serious. Severity of symptoms varies amongst patients depending on their susceptibility, underlying health and duration of amphetamine use.
  • Amyloid Neuropathies: A peripheral nerve disorder caused by abnormal amyloid deposits in the nerves. Sensory, autonomic or motor nerves may be affected. The degree of nerve involvement, and hence symptoms, are variable.
  • Amyloid angiopathy: A blood vessel disorder caused by abnormal amyloid deposits in the blood vessel walls of the brain. The deposits can cause the blood vessel to become weak and rupture resulting in intracranial bleeding. Despite the potentially serious consequences the disorder is often asymptomatic until old age.
  • Amyloid cardiopathy: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage and is potentially fatal. The cardiac form involves deposits of amyloid in the heart muscle which affects its function. The electrical conduction system of the heart is impaired.
  • Amyloidosis: A disease characterized by the accumulation of insoluble amyloid protein in tissues and organs which in turn affects the functioning of these tissues and organs.
  • Amyloidosis AL: A disease involving the abnormal deposit of amyloid fibrils in virtually any part of the body - the heart, liver, kidney and peripheral and autonomic nerves are most commonly affected. The abnormal amyloid fibrils are produced abnormal plasma cells in the bone marrow. In some cases, the excess growth of abnormal plasma cells can result in a cancerous condition called myeloma resulting in bone pain and infections. A patient with myeloma may develop amyloidosis but it is rare for a patient with AL amyloidosis to go on to develop myeloma.
  • Amyloidosis VII: Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Ohio type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunction, brain hemorrhages as well as vision impairment.
  • Amyloidosis beta2-microglobulinic: Amyloidosis is a rare group of metabolic disorders where a protein called amyloid accumulates in body organs and tissues where it can cause damage. The type of amyloid protein involved in this type of amyloidosis is beta-2-microglobulin. The abnormal protein tends to be deposited in parts of the body such as joints, bones and carpal tunnel but can also be found in the gastrointestinal tract and other organs.
  • Amyloidosis, oculoleptomeningeal: Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In this particular type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunction, brain hemorrhages and vision impairment.
  • Amyotrophic lateral sclerosis: A degenerative motor neuron disease marked by weakness and wasting of the muscles which starts at the hands and legs and spreads to the rest of the body. Death occurs in 2 to 5 years. Also called Lou Gehrig's disease or wasting palsy.
  • Amyotrophic lateral sclerosis 3: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 3 is caused by a defect on chromosome 18q21.
  • Amyotrophic lateral sclerosis 4, juvenile: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 4 is caused by a defect on chromosome 9q34.
  • Amyotrophic lateral sclerosis 5: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 5 is caused by a defect on chromosome 15q15.1-q21.1.
  • Amyotrophic lateral sclerosis 6: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 6 is caused by a defect on chromosome 16q12.
  • Amyotrophic lateral sclerosis 7: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 7 is caused by a defect on chromosome 20p13.
  • Amyotrophic lateral sclerosis 8: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 9 is caused by a defect on chromosome 20q13.3 and is a dominantly inherited, late-onset form.
  • Amyotrophic lateral sclerosis type 1:
  • Amyotrophic lateral sclerosis, 11: An inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 11 is differentiated by the origin of the genetic defect involved (6q21).
  • Amyotrophic lateral sclerosis, 9: An inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 9 is differentiated by the origin of the genetic defect involved (14q11).
  • Amyotrophic lateral sclerosis, familial:
  • Amyotrophic lateral sclerosis, familial type 1: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 1 is characterized by adult onset and relatively fast progression of symptoms. It usually occurs in an autosomal dominant pattern of inheritance.
  • Amyotrophic lateral sclerosis, familial type 2: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 2 is characterized by childhood or adolescent onset of symptoms which progress very slowly over decades. It occurs in an autosomal recessive pattern of inheritance.
  • Amyotrophic lateral sclerosis, familial type 3: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 3 is characterized late adulthood onset of symptoms which progress slowly over 5 years. It occurs in an autosomal dominant pattern of inheritance.
  • Amyotrophic lateral sclerosis, familial type 4: A generally fatal progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 4 is characterized by the onset of symptoms before the age of 25 and slow progression over the next few decades. It occurs in an autosomal dominant pattern of inheritance.
  • Amyotrophic lateral sclerosis, familial type 5: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 6 is characterized adolescent onset of symptoms with progression varying between 1 and 20 years. It occurs in an autosomal recessive pattern of inheritance.
  • Amyotrophic lateral sclerosis, familial type 6: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 6 is characterized adult onset of symptoms with progression varying between 1 and 20 years. It occurs in an autosomal dominant pattern of inheritance.
  • Amyotrophic lateral sclerosis, familial type 7: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 7 is characterized adult onset of symptoms with progression varying between less than 5 years to several decades. It occurs in an autosomal dominant pattern of inheritance.
  • Amyotrophic lateral sclerosis, familial type 8: A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 8 is characterized by adult onset and relatively slow progression of symptoms. It occurs in an autosomal dominant pattern of inheritance.
  • Amyotrophic lateral sclerosis, type 6: An inherited disorder involving progressive degeneration of motor neurons which results in muscle weakness and wasting. Type 6 is caused by a defect on chromosome 16q12.
  • Anaesthesia: loss of sensations
  • Anal cancer: A cancerous malignancy that is located anatomically in the anus
  • Anal conditions: Conditions that affect the anus
  • Anal discomfort: A sensation of discomfort that is located in the region of the anus
  • Anal fissure: A painful ulcer linear to the margin of the anus
  • Anal itching: Itching near or around the anus
  • Anal pain: A sensation of pain that is located in the region of the anus
  • Anal pain in pregnancy: Anal pain in pregnancy be accompanied by bleeding, a lump or discharge.
  • Anal symptoms: Symptoms affecting the anus.
  • Anal triangle itch: Unpleasant sensation in the anal area.
  • Analgesia: The relief of the sensation of pain without a loss of ones conscious state
  • Anaphylaxis: An immediate hypersensitivity reaction due to the exposure of a specific antigen to a sensitized individual
  • Anchovy poisoning (clupeotoxin): Some anchovies contain toxins (Clupeotoxin) which can be poisonous to humans if eaten. Heat does not destroy the toxin and there is still uncertainty as to the origin of the toxin. The toxin appears to be present in higher concentrations in summer and is believed to be possible linked to the consumption of toxic food in its food web. The size and age of the anchovy does not appear to be related to the toxicity. The anchovies are found in coastal waters off Africa and the Caribbean, Indian and Pacific Oceans.
  • Ancylostoma duodenale: An infestation with Ancylostoma duodenale which is a parasitic hookwork whichcan cause serious disease in humans - usually occurs in people who work barefoot in damp soil. The hookworms suck blood from the intestines of the host which can result in anemia if there is a large number of worms.
  • Andersen-Tawil syndrome: A rare disorder where a genetic mutation causes periods of muscle weakness, heart rhythm abnormalities and various physical development abnormalities. It is believed to be caused by problems with the way the body utilizes potassium.
  • Anemia: Reduced red blood cells in the blood
  • Anemia of pregnancy: Anemia of pregnancy is anemia that occurs during pregnancy. Women's bodies have a greater demand for iron during pregnancy and if intake is not sufficient, anemia can result. Anemia in pregnant women can lead to infant problems such as premature birth, fetal death, retarded growth and other problems.
  • Anemia, Hemolytic, Warm Antibody: A rare autoimmune condition where the body's defense system attacks and destroys red blood cells. The onset of the condition is triggered by temperatures 37ºC or higher. The severity of the disorder is variable.
  • Anemia, Iron-Deficiency: A lack of fully functioning red blood cells due to a deficiency of iron. The iron allows the body to make hemoglobin in red blood cells which in turn allows the red blood cell to carry oxygen.
  • Anemia, Refractory, with Excess of Blasts: A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. There are two types: type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to cases where the level of blasts is 10-20%. When too many immature blood cells (blasts) are produced by the bone marrow, the condition may progress to acute myeloid leukemia - occurs in about a quarter of cases in type 1 and a third of cases in type 2.
  • Anemia, Refractory, with Excess of Blasts, type 1: A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. Type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to cases where the level of blasts is 10-20%. When too many immature blood cells (blasts) are produced by the bone marrow, the condition may progress to acute myeloid leukemia - occurs in about a quarter of cases in type 1.
  • Anemia, Refractory, with Excess of Blasts, type 2: A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. Type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to cases where the level of blasts is 10-20%. When too many immature blood cells (blasts) are produced by the bone marrow, the condition may progress to acute myeloid leukemia - occurs in about a third of cases in type 2.
  • Anemia, Sideroblastic: A rare blood disorder where abnormal utilization of iron results in the production of defective red blood cells which have excessive deposits of iron in them.
  • Anemia, hypochromic microcytic: A blood disorder where red blood cells are too small and lack sufficient iron. It can be inherited or caused by insufficient iron in the diet or from a genetic disorder.
  • Anemias, Sideroblastic: Sideroblastic anemias are a group of rare blood disorders where the bone marrow is unable to produce normal red blood cells. The body has enough iron but the red blood cells are unable to utilize it in a normal manner and anemia results. The red blood cells become overloaded with iron and are unable to carry out their normal functions. Some forms of sideroblastic anemia are inherited but most tend to be acquired due to such things as exposure to toxins and certain drugs, leukemia, inflammatory conditions such as rheumatoid arthritis and nutritional deficiencies (e.g. copper and pyridoxine deficiency). Inherited forms usually appear in childhood whereas acquired forms usually occur in adulthood.
  • Anemic -- hematuria syndrome: An epidemic disease in Argentina which has a prolonged recovery time but usually there are no complications. Symptoms vary between seasons so that affected patients suffer anorexia, vomiting, diarrhea and dehydration in summer but suffer reduced urination, excess blood, albumin and renal casts in the urine. Other symptoms occur irrespective of the season.
  • Anencephaly: A birth defect where large parts of the brain is missing and the brainstem is malformed.
  • Anesthetic agent-induced liver damage: Damage or injury to the liver caused by exposure to anesthetic agents. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
  • Anesthetic agent-induced liver damage -- Chloroform: Damage or injury to the liver caused by exposure to an anesthetic agent called chloroform. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
  • Anesthetic agent-induced liver damage -- Cyclopropane: Damage or injury to the liver caused by exposure to an anesthetic agent called cyclopropane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
  • Anesthetic agent-induced liver damage -- Ether: Damage or injury to the liver caused by exposure to an anesthetic agent called ether. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
  • Anesthetic agent-induced liver damage -- Halothane: Damage or injury to the liver caused by exposure to an anesthetic agent called halothane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
  • Anesthetic agent-induced liver damage -- Methoxyflurane: Damage or injury to the liver caused by exposure to an anesthetic agent called methoxyflurane. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
  • Anesthetic agent-induced liver damage -- Nitrous Oxide: Damage or injury to the liver caused by exposure to an anesthetic agent called nitrous oxide. Anesthetic agents are a relatively uncommon cause of liver damage. Symptoms vary depending on the degree of exposure and hence extent of the liver damage or injury. Mild liver damage may cause few if any symptoms whereas severe damage can ultimately result in liver failure. Symptoms may be acute, subacute or chronic depending on the severity of the exposure. Factors such as age, race, gender, overall health and underlying liver problems may also influence a person's risk of developing liver problems and the severity of the symptoms.
  • Aneurysm of sinus of Valsalva: A rare form of aortic aneurysm that occurs in the sinus of Valsalva. An aneurysm is a thinning and bulging of a blood vessel wall. The condition is generally asymptomatic unless it burst and causes life-threatening complications including heart failure. An unruptured aneurysm may affect the blood flow (causing palpitations and syncope) as the bulge pushes against surrounding structures.
  • Aneurysm, intracranial berry: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms.
  • Aneurysm, intracranial berry, 1: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 1 is caused by a defect on chromosome 7q11.2.
  • Aneurysm, intracranial berry, 10: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 10 is caused by a defect on chromosome 8q12.1.
  • Aneurysm, intracranial berry, 2: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 2 is caused by a defect on chromosome 19q13.
  • Aneurysm, intracranial berry, 3: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 3 is caused by a defect on chromosome 1p36.13-p34.3.
  • Aneurysm, intracranial berry, 4: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 4 is caused by a defect on chromosome 5p15.2-14.3.
  • Aneurysm, intracranial berry, 5: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 5 is caused by a defect on chromosome 2p13.
  • Aneurysm, intracranial berry, 6: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are now six different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases an individuals risk for developing intracranial berry aneurysms. Type 6 is caused by a defect on chromosome 9p21.
  • Aneurysm, intracranial berry, 7: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 7 is caused by a defect on chromosome 11q24-q25.
  • Aneurysm, intracranial berry, 8: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 8 is caused by a defect on chromosome 14q23.
  • Aneurysm, intracranial berry, 9: A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one caused by a defect in different gene. The defective gene increases and individuals risk for developing intracranial berry aneurysms. Type 9 is caused by a defect on chromosome 2q33.1.
  • Aneurysmal bone cysts: A benign tumor-like lump in the bone. Most frequently occurs in the spine and longer bones of the body.
  • Aneurysmal subarachnoid haemorrhage: Bleeding in the space around the brain that occurs from a leak in a weakened or dilated blood vessel under the arachnoid layer of the brain. Death can occur if treatment is not prompt.
  • Angel shaped phalangoepiphyseal dysplasia: A rare genetic bone development disorder characterized mainly by an unusual angel-shaped ends of some bones (fingers and hips) which leads to early osteoarthritis.
  • Angelucci's syndrome: A rare disorder characterized by various symptoms associated with vernal (nonbacterial) conjunctivitis. The conjunctivitis tends to recur seasonally and is believed to have allergic origins.
  • Angina: Angina is a particular type of pain related to heart conditions
  • Angina pectoris: severe chest pain due to ischemia
  • Anginal pain: chest discomfort that occurs when there is a decreased blood oxygen supply to an area of the heart muscle
  • Angio-osteohypotrophic syndrome: A rare disorder characterized by malformation of the peripheral (usually veins) blood vessels and skeletal abnormalities. The malformed blood vessels cause localized soft tissue swellings and if veins in bones are affected, the bone may degenerate due to an insufficient blood supply. Usually the hands are affected.
  • Angiofollicular ganglionic hyperplasia: A rare disorder characterized by a localized overgrowth of lymph node tissue which can form a benign tumor-like growth. The symptoms are determined by the location and number of growths. There are two types of the disease: hyaline-vascular type or the plasma cell type which tends to have more severe symptoms.
  • Angiofollicular ganglionic hyperplasia -- hyaline-vascular type: A rare disorder characterized by a localized overgrowth of lymph node tissue which can form a benign tumor-like growth. There are two types of the disease: hyaline-vascular type or the plasma cell type which tends to have more severe symptoms. The hyaline-vascular type is usually asymptomatic but symptoms can be determined by the location and number of growths and the effect it can have on nearby tissue by pushing against it - e.g. squashing blood vessels.
  • Angiofollicular lymph hyperplasia: A rare disorder of the lymph system characterized by the development of benign tumors in lymph tissue anywhere in the body.

Conditions listing medical symptoms: Pain:

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Conditions listing medical complications: Pain:

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