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Symptoms » Hearing loss » Glossary
 

Glossary for Hearing loss

Medical terms related to Hearing loss or mentioned in this section include:

  • 3-Hydroxyacyl-CoA Dehydrogenase II Deficiency: A rare genetic disorder involving the deficiency of an enzyme (hydroxyacyl-coa dehydrogenase). The severity of the symptoms is highly variable with some cases resulting in death during the first decade while others suffer psychomotor and regression. Symptoms tend to be more severe in males who suffer progressive neurodegeneration whereas females tend to suffer mainly from developmental delay.
  • ABCD syndrome: A rare inherited condition characterized by albinism, deafness, a black lock of hair and intestinal abnormalities.
  • ARTS syndrome: A rare lethal syndrome characterized by deafness, optic atrophy and ataxia.
  • Abidi X-linked mental retardation syndrome: A rare genetic disorder characterized by a number of physical abnormalities
  • 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.
  • Acrocephalosyndactyly Syndrome type 5: A rare genetic disorder where some of the skull bones fuse too early which affects the size and shape of the skull and face. Thumb and toe abnormalities are also present. There are three types of Pfeiffer syndrome with varying degrees of severity.
  • Acrocephalosyndactyly type 5 (ACPS 5): A rare genetic disorder where some of the skull bones fuse too early which affects the size and shape of the skull and face. Thumb and toe abnormalities are also present. There are three types of Pfeiffer syndrome with varying degrees of severity.
  • Acrosphenosyndactylia: A rare condition characterized by abnormalities in the appearance of the face and head as well as finger and toe abnormalities. The bones of the skull fuse together too early which prevents it from growing normally. Various toes and fingers may be fused together.
  • Acute sensorineural hearing loss by acute acoustic trauma or sudden deafness or surgery induced acoustic trauma: Sudden hearing loss caused by such things as very loud noise (such as an explosion) or surgery.
  • Aging: The medical conditions from getting older.
  • Allergic rhinitis: An allergic reaction of the nasal mucosa that may occur seasonally
  • Alopecia mental retardation syndrome: A rare syndrome characterized primarily by a lack of hair and mental retardation.
  • Apert syndrome: A rare condition characterized by abnormalities in the appearance of the face and head as well as finger and toe abnormalities. The bones of the skull fuse together too early which prevents it from growing normally. Various toes and fingers may be fused together.
  • Arthrogryposis-like hand anomaly -- sensorineural deafness: A rare disorder characterized by hand contractures and deafness.
  • Athabaskan brainstem dysgenesis: A rare neurological disorder caused by abnormal brainstem development and function.
  • Auralcephalosyndactyly: A very rare syndrome characterized by ear abnormalities, premature fusion of skull bones and syndactyly (fusion of digits).
  • Autosomal Dominant Charcot-Marie-Tooth with hearing loss: A dominantly inherited form of Charcot-Marie-Tooth disease which also involves hearing loss. Charcot-Marie-Tooth disease is a progressive nerve disease that affects the peripheral nerves and hence the muscles primarily in the limbs.
  • BOR syndrome: A rare genetic disorder characterized by hearing loss, kidney malformations and branchial arch anomalies. There are two subtypes with different genetic defect origins.
  • BOR-Duane hydrocephalus contiguous gene syndrome: A very rare syndrome characterized primarily by an eye movement disorder (Duane syndrome), abnormal trapezius muscle (runs from neck to shoulder), hydrocephalus and BOR syndrome (branchio-oto-renal syndrome with branchial, eye and kidney abnormalities).
  • Bagatelle-Cassidy syndrome: An extremely rare syndrome characterized by a large head, widely spaced eyes, hearing loss, short limbs and developmental delay.
  • Barotitis Media: Middle ear inflammation or bleeding caused by differences between the middle ear air pressure and atmospheric air pressure. Can be caused by such things as scuba diving and symptoms include pain, tinnitus, diminished hearing and vertigo. Also called aerotitis media.
  • Barotrauma: Damage to the lungs, ear or sinuses caused by rapid or extreme changes in air pressure.
  • Basilar artery migraine: Basilar migraine (BM), also known as Bickerstaff syndrome, consists of headache accompanied by dizziness, ataxia, tinnitus, decreased hearing, nausea and vomiting, dysarthria, diplopia, loss of balance, bilateral paresthesias or paresis, altered consciousness, syncope, and sometimes loss of consciousness.
  • Benign Paroxysmal Positional Vertigo: A condition where certain head movements cause extreme dizziness.
  • Biotinidase deficiency: A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes.
  • Biotinidase deficiency, late onset: A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes. The severity of symptoms may vary depending on the degree of deficiency. Severe cases can result in metabolic acidosis which can lead to death if treatment isn't given.
  • Body symptoms: Symptoms affecting the entire body features.
  • Boudhina-Yedes-Khiari syndrome: A very rare syndrome characterized primarily by short stature, small head, mental deficiency, seizures, hearing loss and skin lesions.
  • Brachmann-De Lange Syndrome: A rare congenital disorder characterized by very small stature, synophrys, thin downturning upper lip and micromelia.
  • Brachydactyly -- dwarfism -- mental retardation: A very rare syndrome characterized by short fingers, very short stature and mental retardation.
  • Brain symptoms: Symptoms affecting the brain
  • Branchio-Oto-Renal Syndrome: Autosomal dominant genetic disorder involving kidneys, ears and neck.
  • Branchio-oto-renal (BOR) syndrome, type 2: A rare genetic disorder characterized by abnormal kidney development and varying degrees of hearing impairment. Type 2 involves a defect on the SIX5 gene on chromosome 19q13.3.
  • Branchiootic syndrome 2: A rare inherited disorder characterized by branchial and ear abnormalities. The hearing loss is variable with respect to severity and age of onset. Type 2 is caused by a defect chromosome 1q31. It is similar to the branchio-oto-renal syndrome except it doesn't involve any kidney abnormalities.
  • Branchiootic syndrome 3: A rare inherited disorder characterized by branchial and ear abnormalities. The hearing loss is variable with respect to severity and age of onset. Type 3 is caused by a defect chromosome 14q23. It is similar to the branchio-oto-renal syndrome except it doesn't involve any kidney abnormalities.
  • CMV antenatal infection: A rare condition where a fetus becomes infected with the cytomegalovirus through the mother.
  • Canavan disease: Rare genetic degenerative brain disease in infants.
  • Cerebrocostomandibular Syndrome: A rare genetic disorder characterized by a very small jaw, abnormal rib development and a small thorax as well as other abnormalities.
  • Charcot-Marie-Tooth Disorder: Degeneration of limb muscles.
  • Chemical poisoning -- Bromates: Bromate is a chemical used mainly in perming solution neutralizers and in small amounts as a bread preservative. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure.
  • Cholesteatoma: Uncommon middle ear condition
  • Chromosome 1, deletion q21 q25: A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as retarded fetal growth, osteoporosis, facial anomalies and hearing loss.
  • Chromosome 1, monosomy 1p22 p13: A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as mental retardation, short stature, hearing loss and hand defects.
  • Chromosome 11, Partial Monosomy 11q: A very rare chromosomal disorder involving the absence of a portion of chromosome 11q. The range and severity of symptoms is determined by the size of the portion that is deleted.
  • Chromosome 17 trisomy mosaicism: A rare chromosomal disorder where there are three copies of chromosome 17 in some of the body's cells. The type of symptoms and severity is determined by the number of cells that have the three copies. Some cases have no obvious symptoms.
  • Chromosome 18, deletion 18q23: A very rare syndrome caused by a deletion of a part of the material on chromosome 18 and resulting in various abnormalities such as retarded growth, hearing loss and mental retardation. The abnormalities vary from patient to patient.
  • Chromosome 22q11.2 microduplication: A rare chromosomal disorder where a part of the chromosome 22 genetic material at the q11.2 location is duplicated resulting in various anomalies ranging from mild to severe amongst different patients.
  • Chromosome 3, trisomy 3q13 2 q25: A rare chromosomal disorder characterized by various abnormalities including hearing loss, mental retardation, short stature, obesity and uterine and facial anomalies.
  • Cold-like symptoms: Symptoms similar to the common cold.
  • Colobomatous microphthalmia -- heart disease -- hearing loss: A very rare syndrome characterized by small eyes, heart disease and hearing loss.
  • Common cold: Symptoms similar to the common cold.
  • Common symptoms: The most common symptoms
  • Conductive hearing loss: Hearing loss due to a defect in the external auditory canal or middle ear.
  • Congenital Toxoplasmosis: Fetal infection with toxoplasmosis.
  • Congenital cytomegalovirus: Fetal infection with cytomegalovirus.
  • Cornelia de Lange Syndrome: A very rare disorder involving delayed physical development and various malformations involving the head, face and limbs. The severity of symptoms is variable.
  • Craniosynostosis Maroteaux Fonfria type: A rare disorder which is similar to a condition called Apert syndrome but also involves extra fingers and toes. Apert syndrome is characterized by abnormalities in the appearance of the face and head as well as finger and toe abnormalities. The bones of the skull fuse together too early which prevents it from growing normally
  • Cyst: Fluid-filled lump under the skin often produced by over-secreting gland
  • Cysts: Fluid-filled lump under the skin often produced by over-secreting gland
  • Cytomegalovirus -- Teratogenic Agent: There is strong evidence to indicate that the development of Cytomegalovirus during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the stage of pregnancy that the exposure occurred at.
  • DIDMOAD Syndrome, Mitochondrial form: A rare association of diabetes insipidus, diabetes mellitus, optic atrophy and deafness which results in mitochondrial defects.
  • DOC 12 (Neutral Lipid Storage Type): A rare inherited disorder involving the metabolism of fat which causes skin, muscle and blood abnormalities. The body is unable to metabolize (break down) triglycerides so they build up in various tissues throughout the body. The severity of the symptoms is variable as the body tissues and organs affected varies amongst patients.
  • Davenport-Donlan syndrome: A very rare syndrome characterized mainly by deafness, white hair, contractures and papillomas.
  • Deafness: Partial or complete hearing loss
  • Deafness hypogonadism syndrome: A rare condition characterized by the combination of hypogonadism and deafness.
  • Deafness mixed with perilymphatic Gusher, X-linked: An inherited inner ear defect (stapes fixation) which causes progressive hearing loss. Perilymphatic gusher is a complication that can be associated with surgery to correct the inner ear defect. The severity and rate of progression of the hearing loss is variable. The hearing loss may be mixed or sensorineural.
  • Deafness, Conductive with Stapes Fixation: An inherited inner ear defect (stapes fixation) which causes progressive hearing loss. A perilymphatic gusher can occur as a complication of surgery to correct the inner ear defect. The severity and rate of progression of the hearing loss is variable.
  • Deafness, X-Linked 1: A X-linked form of hearing loss that occurs without any other symptoms - i.e. is not associated with any other condition. The hearing loss is evident in males but females can be carriers. The defective gene (DFN2) occurs on chromosome Xq22.
  • Deafness, X-Linked 2: A X-linked form of hearing loss that occurs without any other symptoms - i.e. is not associated with any other condition. The hearing loss is evident in males but females can be carriers. Surgery to correct the underlying inner ear defect can lead to the development of a perilymphatic gusher which can further impair hearing. Type 2 is linked to a defect on chromosome Xq21.1.
  • Deafness, X-Linked 2, Sensorineural Congenital: A X-linked form of hearing loss that occurs without any other symptoms - i.e. is not associated with any other condition. The hearing loss is evident in males but females can be carriers. The defective gene (DFN2) occurs on chromosome Xq22.
  • Deafness, X-Linked 3: A X-linked form of hearing loss that occurs without any other symptoms - i.e. is not associated with any other condition. The hearing loss is evident in males but females can be carriers. Surgery to correct the underlying inner ear defect can lead to the development of a perilymphatic gusher which can further impair hearing. Type 3 is linked to a defect on chromosome Xp21.2.
  • Deafness, autosomal recessive 72: Recessively inherited hearing loss involving a defect on chromosome 19p13.3.
  • Deafness, genetic, nonsyndromic: An inherited form of deafness that is not associated with any other abnormalities. The degree of hearing loss can vary depending on the origin of the genetic defect.
  • Del (2) (p25.1-p24.2): A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree.
  • Del(1) (23-q25): A very rare chromosomal disorder where a portion of the long arm (23q-q25) of chromosome one is missing.
  • Dentinogenesis imperfecta -- short stature -- hearing loss -- mental retardation: A rare syndrome characterized by teeth anomalies (dentinogenesis imperfecta), short stature, hearing loss and mental retardation.
  • Diabetes insipidus, diabetes mellitus, optic atrophy, deafness, mitochondrial form: A rare association of diabetes insipidus, diabetes mellitus, optic atrophy and deafness which results in mitochondrial defects.
  • Diffuse leiomyomatosis with Alport syndrome: A very rare syndrome characterized mainly by multiple tumors (in the esophagus, female genitals, trachea and bronchus) and Alport syndrome which involves progressive kidney dysfunction.
  • Disorder of Cornification 12 (Neutral Lipid Storage Type): A rare inherited disorder involving the metabolism of fat which causes skin, muscle and blood abnormalities. The body is unable to metabolize (break down) triglycerides so they build up in various tissues throughout the body. The severity of the symptoms is variable as the body tissues and organs affected varies amongst patients.
  • Down Syndrome: A chromosome syndrome causing physical effects and mental retardation.
  • Duane-radial ray syndrome: A very rare inherited disorder characterized by impaired control of eye movement and bone abnormalities in the hands and feet.
  • Ear infection: Infection of the ear - may involve the middle and inner ear.
  • Ear symptoms: Symptoms affecting the ear or hearing
  • Ear wax: Buildup of wax (cerumen) inside the ear canal
  • Emanuel syndrome: A rare chromosomal disorder where a portion of chromosome 11 is translocated with a portion of chromosome 22. The disorder involves a wide range of abnormalities such as kidney, genital and heart abnormalities, mental retardation, small head and failure to thrive.
  • Epilepsy, partial, familial: A form of epilepsy that tends to run in families and is linked to damage or abnormalities in a specific part of the brain. Often sensory disturbances accompany or precede the seizures.
  • Epstein (C.J.) syndrome: A rare condition characterized by deafness, kidney inflammation, a reduced number of normal blood platelets needed for clotting and the presence of large blood platelets.
  • Fabry disease: Genetic fat storage disorder
  • Face symptoms: Symptoms affecting the face
  • Familial isolated deficiency of vitamin E: A rare neurodegenerative disorder caused by an inherited condition where the body is unable to absorb vitamin E from the food consumed.
  • Fanconi's anemia: Fanconi's anemia is a rare inherited blood disorder characterized by the inability of the bone marrow to produce blood cells. An increased incidence of leukemias and other cancers is associated with this condition and various skeletal abnormalities and other birth defects may also be present. The condition is present at birth but symptoms of the blood problems are often not evident until later in childhood - in rare cases, the condition may not be diagnosed until adulthood.
  • Fetal methylmercury syndrome: Fetal exposure to methyl mercury which can pass from the mother to the fetus through the placenta.
  • Fungal meningitis: Fungal meningitis is an infection that causes swelling and irritation of the tissue around the brain and spinal cord. It usually strikes people whose weakened immune systems can't fight off infection. The disease is not common. but it can be very serious.
  • GM2-gangliosidosis, AB variant: A very rare inherited disorder where the brain and spinal cord nerve cells (central nervous system) are progressively destroyed.
  • Glue ear: A condition which affects the ear and is characterized by a chronic accumulation of the fluid leading to a loss of hearing
  • Goldberg syndrome: A rare lysosomal storage disorder characterized by an enzyme deficiency (neuraminidase and beta-galactosidase) which results in a build-up of glycoproteins in the urine. There are three main subtypes: infantile, juvenile and adult forms. The early infantile form is the most severe and often results in death during infancy.
  • Grief or loss: The normal emotional response that occurs to an external loss
  • Hajdu-Cheney Syndrome: A rare genetic disorder characterized by early tooth loss, relaxed joints, small stature and bone abnormalities.
  • Head injury: Any injury that occurs to the head
  • Head symptoms: Symptoms affecting the head or brain
  • Head trauma: injury to the haed
  • Hearing Impairment: Impaired ability to hear.
  • Hearing disturbance: Hearing disturbance refers to any abnormal change or alteration in hearing.
  • Hearing impairment: Impaired ability to hear.
  • Hearing loss: The loss of part or all of ones ability to hear
  • Hearing symptoms: Problems with the ear's hearing ability
  • Hereditary hearing loss: Hearing loss that is inherited or passed on from parents to children as a result of a genetic defect.
  • Herpes zoster oticus: Facial and auditory effects of herpes zoster
  • Hunter-MacDonald syndrome: A rare syndrome characterized by multiple skeletal abnormalities, short stature, unusual facial features, hearing loss and a predisposition for developing meningiomas.
  • Hunter-Mcdonald syndrome: A rare syndrome characterized mainly be short stature, characteristic facial appearance and a predisposition for developing brain tumors.
  • Hydrocephalus: A condition which is characterized by marked dilatation of the cerebral ventricles
  • Hypobetalipoproteinaemia -- ataxia -- hearing loss: A rare disorder characterized by the association of low blood betalipoprotein level, ataxia and hearing loss.
  • I cell disease: A rare inherited biochemical disorder characterized by the harmful accumulation of chemicals (glycoproteins and glycoplipids) due to the deficiency of an enzyme (UDP-N-acetylglucosamine-I-phosphotransferase).
  • Ichythosiform Erythroderma with Leukocyte Vacuolation: A rare inherited disorder involving the metabolism of fat which causes skin, muscle and blood abnormalities. The body is unable to metabolize (break down) triglycerides so they build up in various tissues throughout the body. The severity of the symptoms is variable as the body tissues and organs affected varies amongst patients.
  • Jacobsen syndrome: A very rare chromosomal disorder involving the absence of a portion of chromosome 11q. The range and severity of symptoms is determined by the size of the portion that is deleted.
  • Jequier-Deonna Syndrome: A very rare condition described in two sisters. It is characterized by vision and hearing problems and incoordination.
  • Johanson-Blizzard Syndrome: A rare genetic disorder involving a range of abnormalities including a characteristic beak-like small nose, hypothyroidism and deafness.
  • Juvenile Paget's Disease:
  • Kearns-Sayre Syndrome: A rare neuromuscular disorder characterized by pigmented deposits on the retina, heart disease and progressive paralysis of some eye muscles.
  • Klippel Feil Syndrome: A rare congenital disorder characterized by abnormal fusion of two or more vertebrae in the neck. The disorder is often associated with other abnormalities but their incidence is highly variable.
  • Klippel Feil deformity conductive deafness absent vagina: A rare developmental disorder occurring only in females and characterized by skeletal and genitourinary abnormalities and small stature.
  • Kniest dysplasia: A rare genetic bone growth disorder characterized by dwarfism, enlarged joints and facial deformities.
  • LADD Syndrome: A very rare genetic disorder characterized by ear, teeth and tear duct abnormalities.
  • LEOPARD Syndrome: A rare genetic disorder characterized by multiple lentigines, pulmonic stenosis, widely spaced eyes and deafness.
  • Labrynthitis: Inner ear condition affecting various ear structures
  • Lacrimoauriculodentodigital syndrome: A rare genetic disorder characterized by ear, teeth and tear duct abnormalities.
  • Lead poisoning: A type of heavy metal poisoning caused by excessive exposure to lead.
  • Lobstein disease: A group of rare inherited diseases that involves fragile bones. There are many different types based on the severity and extent of symptoms. Some types are severe enough to cause stillbirth or infant death whereas other types may cause few if any problematic symptoms.
  • MPS-IV (Morquio Disease): A condition which is characterized by biochemically distinct mucopolysaccharidosis
  • MURCS Association: A rare developmental disorder occurring only in females and characterized by skeletal and genitourinary abnormalities and small stature.
  • Mandibuloacral dysplasia: A very rare syndrome characterized mainly by a prematurely aged appearance and bone abnormalities. There are two subtypes with type B involving loss of fat layers under the skin mainly in the extremities, face and trunk whereas type A involves mainly the extremities. The severity of the symptoms is variable.
  • Mandibuloacral dysplasia with type A lipodystrophy: A very rare syndrome characterized mainly by a prematurely aged appearance and bone abnormalities. Loss of fat layers under the skin occurs mainly in the extremities in type B. The severity of the symptoms is variable.
  • Mandibulofacial dysostosis, Treacher Collins type, autosomal recessive: A rare, recessively inherited disorder characterized mainly by eye, face, mouth, ear and skull abnormalities.
  • May-White syndrome: A rare inherited disorder characterized by involuntary muscle twitching, balance and coordination problems (cerebellar ataxia) and hearing loss.
  • Mayer-Rokitansky-Kuster-Hauser, syndrome, type 2 (MRKH type 2): A rare developmental disorder occurring only in females and characterized by skeletal and genitourinary abnormalities and small stature.
  • Melnick-Fraser syndrome: A rare genetic disorder characterized by hearing loss and kidney malformations. Type 1 involves a defect on the EYA1 gene on chromosome 8q13.3.
  • Meningococcal disease: Dangerous bacterial infection causing meningitis or bacteremia.
  • Mental mixed retardation -- deafness -- clubbed digits: A rare disorder characterized mainly by mental retardation, deafness and clubbed fingers.
  • Mental mixed retardation deafnes clubbed digits: A rare disorder characterized mainly by mental retardation, deafness and clubbed fingers.
  • Mercury poisoning: A type of heavy metal poisoning caused by excessive exposure to mercury.
  • Microcephaly, Growth Retardation, Cataract, Hearing Loss, and Unusual Appearance: A rare syndrome characterized by the association of a small head, retarded growth, cataracts, hearing loss and an unusual facial appearance. It was reported in a brother and sister.
  • Middle ear infection: An infection which occurs in the middle ear
  • Mitochondrial diseases, clinically indefinite: An inherited biochemical disorder which can affect many body systems such as the skeleton, heart, brain and nervous system.
  • Mitochondrial neurogastrointestinal encephalopathy syndrome: A rare genetic disorder which affects a number of body systems and manifests results in symptoms such as droopy eyelids, progressive eye muscle weakness, gastrointestinal dysmotility, brain disease, thin body, peripheral neuropathy and muscle disease.
  • Mondini Dysplasia: A rare disorder where a part of the ear (cochlea) fails to develop completely causing hearing loss. The hearing loss may be gradual or sudden and the severity may be vary from normal hearing to complete hearing loss. Hearing loss may start in childhood or early adulthood.
  • Morquio syndrome: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (galactosamine-?-sulfate - type A, ? galactosidase - type B) needed to break it down. The symptoms are variable with type A and B being clinically indistinguishable.
  • Morquio syndrome type A: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (galactosamine-?-sulfate) needed to break it down.
  • Morquio syndrome, type B: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (? galactosidase) needed to break it down.
  • Mucopolysaccharidosis III: Disorder of mucopolysaccharide metabolism in children.
  • Mucopolysaccharidosis type 2 Hunter syndrome- mild form: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (iduronidate 2-sulfatase) needed to break it down.
  • Mucopolysaccharidosis type 2 Hunter syndrome- severe form: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (iduronidate 2-sulfatase) needed to break it down.
  • Mullerian Aplasia -- Renal Aplasia -- Cervicothoracic Somite Dysplasia: A rare developmental disorder occurring only in females and characterized by skeletal and genitourinary abnormalities and small stature.
  • Multiple Sulfatase Deficiency: A condition characterized by multiple sulfatase deficiencies
  • Multiple carboxylase deficiency, propionic acidemia: A disorder of fat metabolism where the body is unable to convert fat to energy due to the lack of a number of enzymes (carboxylases). Sufferers need to eat regularly to prevent symptoms. Symptoms are determined by the size and exact location of the tumor.
  • Myoclonus with epilepsy with ragged red fibers: A rare disorder of mitochondrial metabolism characterized by myoclonic epilepsy and ragged-red muscle fibers. Mitochondria are the part of the body cells that produce energy.
  • Ménière's disease: Ear fluid disorder causing balance problems.
  • Nasopharyngeal carcinoma: A malignant cancer that occurs in the nasopharynx area which is the upper part of the throat. Often there are no symptoms until the cancer has metastasized to other parts of the body such as the neck.
  • Neonatal jaundice: A yellow discolouration of the skin which sometimes occurs in newborns
  • Nerve symptoms: Symptoms affecting the nerves
  • Neurofibromatosis-2: Genetic disorder often leading to tumors on nerves.
  • Neurological symptoms: Any symptoms that are caused by neurological conditions
  • Neuropathy -- ataxia -- retinitis pigmentosa: A rare inherited disorder where defects in the energy producing part of cells affects the nervous system and causes symptoms such as muscle and vision problems. Severity and rang of symptoms are variable.
  • Neuropathy ataxia and retinis pigmentosa: A rare inherited disorder where defects in the energy producing part of cells affects the nervous system and causes symptoms such as muscle and vision problems. Severity and rang of symptoms are variable.
  • Nievergelt syndrome: A rare inherited bone disease which causes abnormalities in the lower leg and lower arm bones as well as dwarfism and digit anomalies.
  • Noise-Induced Hearing Loss: Hearing loss from loud noise exposure.
  • Nonsyndromic deafness: Hearing loss that occurs without any other symptoms - ie is not associated with any other condition.
  • Osteogenesis imperfecta: Weak bones ("brittle bone disease") and loose joints
  • Osteogenesis imperfecta type IV: A rare genetic connective tissue disorder characterized by fragile bones and blue sclerae. The osteoporosis tends to be moderate and there is generally no joint hyperextensibility.
  • Osteogenesis imperfecta, type 3: A rare genetic connective tissue disorder characterized by progressive limb deformity and normal sclerae.
  • Osteogenesis imperfecta, type 4: A rare genetic connective tissue disorder characterized by fragile bones and blue sclerae - a form of OI involving moderate osteoporosis and no joint hyperextensibility.
  • Osteopathia striata, cranial sclerosis: A rare disorder characterized by striations along most long bones as well as increased bone density in the skull which is associated with various craniofacial defects.
  • Osteopetrosis autosomal dominant type 1: A very rare dominantly inherited syndrome characterized mainly by increased bone density. The increased bone density results because old bone is not resorbed and replaced with new bone. Only 33 cases in 3 families have been reported. In type I, the increased bone density occurs throughout the body with the skull being the most affected. There is no associated increase in risk of fractures. Many cases are asymptomatic.
  • Osteopetrosis autosomal dominant type 2: A very rare dominantly inherited syndrome characterized mainly by increased bone density that affects mostly the spine, pelvis and base of the skull. The increased bone density results because old bone is not resorbed and replaced with new bone.
  • Otitis externa: Infection of the outer ear canal
  • Otosclerosis: Genetic ear bone disorder
  • Otospondylomegaepiphyseal dysplasia: A rare genetic disorder where abnormal bone growth causes hearing loss, skeletal abnormalities and characteristic facial features.
  • Paget's disease of bone: A chronic, slowly progressing bone disorder where the bone is destroyed rapidly and replaced by abnormal bone which is dense and fragile.
  • Paget's disease, type 1: A chronic, slowly progressing bone disorder where the bone is destroyed rapidly and replaced by abnormal bone which is dense and fragile. Type 1 is caused by a mutation on chromosome 6p21.3.
  • Paget's disease, type 4: A chronic, slowly progressing bone disorder where the bone is destroyed rapidly and replaced by abnormal bone which is dense and fragile. Type 1 is caused by a mutation on chromosome 5q31.
  • Pain: Any type of pain sensation symptoms.
  • Paraganglioma: A rare, usually benign tumor most often found in the abdomen, chest, head and neck areas. The tumor develops from glomus cells which are located along blood vessels involved in automatic body activities such as regulation of blood pressure and blood flow. Symptoms may vary depending on the exact location of the tumor.
  • Pfeiffer Syndrome Type I: A rare genetic disorder where some of the skull bones fuse too early which affects the size and shape of the skull and face. Thumb and toe abnormalities are also present. There are three types of Pfeiffer syndrome with varying degrees of severity. Type I is the mildest of the three Pfeiffer Syndrome subtypes.
  • Pfeiffer syndrome: A rare genetic disorder where some of the skull bones fuse too early which affects the size and shape of the skull and face. Thumb and toe abnormalities are also present. There are three types of Pfeiffer syndrome with varying degrees of severity.
  • Plant poisoning -- Lobeline: Lobeline is a chemical found naturally in plants called lobelias. Ingesting plants containing the chemical produces symptoms similar to the effects of nicotine.
  • Polyneuropathy, Hearing Loss, Ataxia, Retinitis Pigmentosa and Cataract: A very rare, recessively inherited condition characterized by the association of vision, hearing and neurological problems. The condition generally starts during the second decade of life and progresses slowly.
  • Presbycusis: High frequency hearing loss associated with difficulty in speech differentiation.
  • Progressive hearing loss stapes fixation: A rare condition characterized by hearing loss, fixation of stapes (ear bone which causes conductive deafness if it becomes fixed and immovable) and reduced vestibular response.
  • Ptosis -- coloboma -- trigonocephaly: A very rare syndrome characterized mainly by droopy eyelids, coloboma and triogoncephaly as well as other variable features.
  • Renal tubulopathy -- diabetes mellitus -- cerebellar ataxia: A very rare condition characterized by rapidly progressive diabetes, kidney disease and cerebellar ataxia. Symptoms develop during the first five years.
  • Richards-Rundle syndrome: A very rare syndrome characterized mainly by mental retardation, ataxia, deafness and ketoaciduria.
  • Robinow Syndrome: An extremely rare genetic disorder characterized by dwarfism and facial abnormalities
  • Robinson syndrome: A very rare condition observed in a West Coast Indian family. The condition is characterized by scoliosis, hearing impairment, ataxia and sensory loss. The severity, rate of progression and age of onset of the neuropathic symptoms was highly variable. Sensory symptoms tend to be most prominent in the hands and feet.
  • Rocky Mountain spotted fever: A bacterial disease caused by Rickettsia rickettsii and transmitted by ticks. The condition causes fever and a characteristic rash and may be fatal in severe or untreated cases.
  • Rosenberg-Chutorian Syndrome: A very rare disorder involving eye, ear and nerve disorders.
  • Rowley syndrome: An inherited syndrome involving the association of hearing loss with branchial fistula.
  • SCHAD deficiency: A rare genetic disorder involving the deficiency of an enzyme (hydroxyacyl-coa dehydrogenase). The severity of the symptoms is highly variable with some cases resulting in death during the first decade while others suffer psychomotor and regression. Symptoms tend to be more severe in males who suffer progressive neurodegeneration whereas females tend to suffer mainly from developmental delay.
  • Saethre-Chotzen syndrome, chromosome 7 p15.3p21.3: A rare genetic disorder characterized by finger anomalies and premature joining of certain skull bones during development which has an impact on the shape of the head and face. There appears to be considerably variability of symptoms and clinical features of the disorder depending on the exact size and location of the portion of chromosomal material deleted. In this particular form, the chromosomal material deleted is located on chromosome 7 p15.3p21.3.
  • Sanfilippo syndrome type A: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans). This occurs due to there being not enough of the enzyme called heparin sulfatase which is needed to break down the mucopolysacharides. The mucopolysaccharides are then deposited in various tissues.
  • Sanfilippo syndrome type B: A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) due to deficiency of an enzyme called N-acetyl-alpha-D-glucosaminidase. Mucopolysaccharide levels build up and are then deposited in various tissues.
  • Schaefer-Stein-Oshman syndrome: A rare disorder where excessive growth and abnormal hardening affects the head and facial bones.
  • Sensations: Changes to sensations or the senses
  • Sensorineural hearing loss: Hearing loss due to abnormal functioning or damage to the hearing nerve or the cochlea (inner ear) or the part of the brain that processes sound. The hearing problem may be present at birth or may be acquired through such things as aging, excessive noise or diseases such as meningitis.
  • Sensory ataxic neuropathy, dysarthria, and ophthalmoparesis: A very rare syndrome characterized by progressive ataxia, eye muscle problems and a speech disorder (dysarthria).
  • Sensory symptoms: Symptoms affecting the sensory systems.
  • Skull fracture: A fracture of the bones of the skull
  • Skull symptoms: Symptoms affecting the skull surrounding the brain.
  • Soto's Syndrome: A rare hereditary disorder characterized by excessive growth during the first few years of life as well as various other mental and physical anomalies.
  • Spinocerebellar ataxia, autosomal recessive 3: A rare neurological disorder caused by a genetic defect (chromosome 6p21, recessive) and resulting in ataxia and loss of vision and hearing.
  • Steinfeld syndrome: A very rare syndrome characterized by kidney abnormalities, single brain lobe and a heart defect.
  • Streptomycin -- Teratogenic Agent: There is evidence to indicate that exposure to Streptomycin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Sulfatidosis juvenile, Austin type: A very rare metabolic disorder where all the sulfatase enzymes are impaired resulting in a variety of physical and developmental abnormalities.
  • Superficial siderosis of the central nervous system: A rare disorder where hemosiderin (free iron) is deposited in parts of the central nervous system (brain and spinal cord tissue). It is often caused by repeated periods of bleeding in the brain (subarachnoid space).
  • Synovitis granulomatous with uveitis and cranial neuropathies: A rare chronic inflammatory condition characterized by arthritis, dermatitis and uveitis. The condition may have a similar presentation to a condition called early-onset sarcoidosis and genetic testing may be needed to distinguish the conditions.
  • Syphilis: A sexually transmitted disease caused by a bacteria (Treponema pallidum). The condition is often asymptomatic in the early stages but one or more sores may be present in the early stages. Untreated syphilis usually results in remission of visible symptoms but further severe damage may occur to internal organs and other body tissues which can result in death.
  • TORCH Syndrome: Infection of a fetus by any of a group of infectious agents which have been transmitted from the mother through the placenta. The infections include toxoplasmosis, rubella, cytomegalovirus, herpes virus, hepatitis and syphilis. The severity and nature of symptoms is determined by the type of infection.
  • Thies Reis syndrome: A rare condition characterized by hearing loss caused by fixation of stapes (ear bone which causes conductive deafness if it becomes fixed and immovable). It can occur as a result of various bone diseases or even chronic ear infections.
  • Triglyceride storage disease with impaired long-chain fatty acid oxidation: A rare inherited disorder involving the metabolism of fat which causes skin, muscle and blood abnormalities.
  • Type 10 17b-hydroxysteroid dehydrogenase deficiency: A rare genetic disorder involving the deficiency of an enzyme (hydroxyacyl-coa dehydrogenase). The severity of the symptoms is highly variable with some cases resulting in death during the first decade while others suffer psychomotor and regression. Symptoms tend to be more severe in males who suffer progressive neurodegeneration whereas females tend to suffer mainly from developmental delay.
  • Typhus fever: A general name for various arthropod-borne rickettsial infections
  • Unilateral hearing loss:
  • Upper limb defect eye and ear abnormalities: A rare disorder characterized by underdeveloped thumb and ear, deafness and an eye defect.
  • Upper respiratory tract infection: The occurrence of an infection of the upper respiratory tract
  • Usher Syndrome Type 1: A rare inherited disorder characterized by sensorineural deafness at birth or soon after and progressive vision loss which starts during the first decade of life and blindness usually occurs between 20-35 years of age. Symptoms are generally more severe than in type 2 with deafness occurring at birth or during first year and vision loss starting during childhood.
  • Usher Syndrome Type 3: A rare inherited disorder where children are born with normal hearing and vision which progressively deteriorates at a variable rate.
  • Usher syndrome, type 1B: A syndrome which is characterised by congenital bilateral sensorineural hearing loss
  • Usher syndrome, type 1C: A rare inherited disorder characterized by sensorineural deafness and progressive vision loss which starts during the first decade of life and blindness usually occurs between 20-35 years of age. Symptoms are generally more severe than in type 2 with deafness occurring at birth or during first year and vision loss starting during childhood. The defect occurs on chromosome 11p15.1.
  • Usher syndrome, type 1D: A rare inherited disorder characterized by sensorineural deafness and progressive vision loss which starts during the first decade of life and blindness usually occurs between 20-35 years of age. Symptoms are generally more severe than in type 2 with deafness occurring at birth or during first year and vision loss starting during childhood. The defect occurs on chromosome 10q21-q22.
  • Usher syndrome, type 1E: A rare inherited disorder characterized by sensorineural deafness and progressive vision loss which starts during the first decade of life and blindness usually occurs between 20-35 years of age. Symptoms are generally more severe than in type 2 with deafness occurring at birth or during first year and vision loss starting during childhood. The defect occurs on chromosome 21q21.
  • Usher syndrome, type 1F: A rare inherited disorder characterized by sensorineural deafness and progressive vision loss which starts during the first decade of life and blindness usually occurs between 20-35 years of age. Symptoms are generally more severe than in type 2 with deafness occurring at birth or during first year and vision loss starting during childhood. The defect occurs on chromosome 10q21-q22.
  • Usher syndrome, type 2A: A syndrome which is characterised by congenital bilateral sensorineural hearing loss
  • Usher syndrome, type 2B: A syndrome which is characterised by congenital bilateral sensorineural hearing loss
  • Usher syndrome, type 2C: A syndrome which is characterised by congenital bilateral sensorineural hearing loss
  • Van Buchem disease type 2: A disease which is characterised by early onset osteoporosis
  • Verloes Gillerot Fryns syndrome: A syndrome characterised by multiple congenital abnormalities and mental retardation.
  • Verloes-David Syndrome: An inherited condition characterised by shortness of stature and multiple skeletal abnormalities.
  • Vestibulocochlear dysfunction progressive familial: A condition which is characterised by vestibulocochlear dysfunction that occurs in a familial pattern
  • Vogt-Koyanagi-Harada Syndrome: A rare condition characterized by poliosis and hair, skin, eye and ear abnormalities as well as retinal detachment and neurological involvement.
  • Vohwinkel syndrome: A rare condition where tight bands of thickened skin form around the base of fingers and toes and generally leads to self-amputation of the digit. Hearing loss is also associated with the condition.
  • Waardenburg Syndromes: A syndrome which is characterized by displacement of the medial canthi and lacrimal puncta, a broad nasal bridge, iris conditions.
  • Waardenburg syndrome: A rare genetic disorder with a large variation in range and severity of symptoms but generally involves hearing loss, characteristic facial abnormalities and changes in skin, hair and eye pigmentation.
  • Waardenburg syndrome type 2: A hereditary, autosomal dominant disorder.
  • Waardenburg syndrome type 2A: A hereditary, autosomal dominant disorder.
  • Waardenburg syndrome type 2B: A hereditary, autosomal dominant disorder.
  • Waardenburg syndrome, type 3: A rare syndrome involving deafness, pigmentation and musculoskeletal abnormalities
  • Waardenburg syndrome, type 4: A rare inherited eye disorder characterized by loss of central vision as well as symptoms of Hirschsprung disease which is an intestinal disorder that prevents waste material from moving effectively through the digestive system.
  • Waardenburg type 1: A hereditary, autosomal dominant disorder.
  • Wagner-Stickler Syndrome: There is confusion about whether Wagner and Stickler disease are actually extremes of the same disorder and thus the term Wagner-Stickler syndrome is sometimes used. Both conditions involve varying degrees of degeneration of eye structures with Stickler syndrome also involving other variable symptoms such as deafness and facial, oral and skeletal abnormalities.
  • Watson syndrome: A rare syndrome characterized by short stature, reduced intelligence, café au lait spots and narrowing of pulmonary valves.
  • Wegener's granulomatosis: A rare disease involving blood vessel inflammation which can affect the blood flow to various tissues and organs and hence cause damage. The respiratory system and the kidneys are the main systems affected.
  • Wildervanck syndrome 3: An inherited syndrome characterized by a hole in the skin near the ears, malformed ears and hearing loss.
  • Wilkes Stevenson syndrome: A syndrome that is characterised by multiple congenital abnormalities
  • Willems De vries syndrome: A syndrome that is characterised by prominent short limbs, subluxed knees and a cleft palate
  • Wittwer sydnrome: A syndrome that is characterised by the occurrence of growth retardation, blindness, hearing loss, dysmorphic features, epilepsy, mental retardation and the absence of speech
  • Wolf-Hirschorn syndrome: A syndrome characterised by the partial deletion of the short arm of chromosome 4
  • Wolfram Syndrome, Mitochondrial form: A rare association of diabetes insipidus, diabetes mellitus, optic atrophy and deafness which results in mitochondrial defects.
  • Wolfram's disease: A condition that is inherited and consists of multiple symptoms
  • Woodhouse Sakati syndrome: A condition which consists of numerous symptoms such as diabetes, hypogonadism, deafness and mental retardation
  • Wright dick syndrome: A rare, dominantly inherited syndrome characterized mainly by sensory nerve impairment and dementia.
  • Xeroderma pigmentosum, type 2: A rare genetic disorder where the enzyme that repairs DNA damage done by UV radiation is defective. It is characterized by sensitivity to sunlight, skin pigmentation and atrophy and actinic skin tumors. The different types of xeroderma pigmentosum vary in the body's ability to repair the damage to DNA done by UV radiation. Type B is often associated with signs of Cockayne syndrome.
  • Yemenite deaf-blind hypopigmentation syndrome: A condition which is characterised by the association of several symptoms which affect ones hearing and vision
  • Zunich neuroectodermal syndrome: A very rare genetic syndrome characterized by a range of symptoms such as colobomas of the eye, heart defects, ichthyosiform dermatosis, mental retardation and ear defects.
  • Zunich-Kaye syndrome: A very rare genetic syndrome characterized by a range of symptoms such as colobomas of the eye, heart defects, ichthyosiform dermatosis, mental retardation and ear defects.

Conditions listing medical symptoms: Hearing loss:

The following list of conditions have 'Hearing loss' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

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Conditions listing medical complications: Hearing loss:

The following list of medical conditions have 'Hearing loss' or similar listed as a medical complication in our database.

 

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