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Symptoms » Hair loss » Glossary
 

Glossary for Hair loss

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

  • 1q deletion: A rare chromosomal disorder where part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
  • ADULT syndrome: A rare syndrome characterized by nail abnormalities, abnormal teeth development, tear duct obstruction, pigmentation anomalies and hand and foot abnormalities.
  • 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.
  • AREDYLD: A rare condition characterized by abnormalities of the extremities, teeth, hair, nail and kidney as well as lipoatrophic diabetes.
  • Aarskog-Ose-Pande syndrome: A rare disorder involving lipodystrophy mainly in the face and buttocks as well as sparse hair, retarded bone age and minor face and eye anomalies. It is considered a variant of SHORT syndrome which tends to also include increased range of joint motion and more extensive lipodystrophy.
  • Ablepharon macrostomia syndrome: A rare disorder involving a number of mainly physical abnormalities.
  • Ackerman syndrome: An extremely rare condition characterized primarily by glaucoma, upper lip deformity and abnormal tooth roots.
  • Acrofacial dysostosis, Palagonia type: One of a group of disorders characterized by defective limb and facial development. The Palagonia type is very rare and the symptoms are relatively mild.
  • 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 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 symptoms: Symptoms affecting the adrenal glands
  • 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.
  • Adrenocortical carcinoma: A condition which is characterized by malignancy which affects the adrenocortex.
  • Aging: The medical conditions from getting older.
  • Albendazole -- Teratogenic Agent: Experimental studies on rats indicate that the use of Albendazole during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. The effect on human fetuses has not been conclusively determined.
  • Alopecia: Partial or total loss of hair due to aging, an endocrine disorder, drug reaction, anticancer medication or skin disease.
  • Alopecia Areata: A condition where hair loss occurs in patches for unknown reasons. Although the condition often disappears within a year, it often reoccurs.
  • Alopecia Totalis: An autoimmune disorder where there is a total loss of all head hair i.e. complete baldness.
  • Alopecia immunodeficiency: A rare syndrome characterized by alopecia and primary immunodeficiency.
  • Alopecia mental retardation syndrome: A rare syndrome characterized primarily by a lack of hair and mental retardation.
  • Alopecia universalis: Complete loss of all body hair.
  • Alopecia, epilepsy, pyorrhea, mental subnormality: A rare syndrome characterized by alopecia, epilepsy, mental retardation and pus-producing gum and tooth inflammations.
  • Alopecia, mental retardation and neurological problems: A rare, newly described syndrome characterized by baldness, mental retardation and neurological problems.
  • Alopecia-contractures-dwarfism-mental retardation: A rare syndrome characterized primarily by mental retardation, short stature, lack of hair and contractures.
  • 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
  • Alves Castelo dos Santos syndrome: A rare syndrome characterized by hair, eye, skin and spinal abnormalities.
  • Amiodarone -- Teratogenic Agent: There is strong evidence to indicate that exposure to Amiodarone 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.
  • Androgenetic alopecia: A form of hair loss that can affect men or women. In males, the hair loss starts over the temples and the hairline recedes gradually and sometimes complete baldness results. Women suffer thinning of hair all over the head and there is no receding hairline.
  • Androgenic alopecia: A form of hair loss that can affect men or women. In males, the hair loss starts over the temples and the hairline recedes gradually and sometimes complete baldness results. Women suffer thinning of hair all over the head and there is no receding hairline.
  • Androgens -- Teratogenic Agent: There is strong evidence to indicate that the use of Androgens during pregnancy may cause 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.
  • Anorexia Nervosa: A disorder where a distorted sense of body image leads to self-starvation to the point of death in some cases.
  • Aplasia cutis congenital -- intestinal lymphangiectasia: A rare disorder characterized by a skin defect and dilated intestinal lymph vessels.
  • Arctic bearded seal poisoning: The Arctic Bearded seal is often used as a food source by the arctic inhabitants. Eating the liver and kidneys of the arctic bearded seal can result in a Vitamin A overdose which can cause serious symptoms and even death in extreme cases. It is believed that eating more than 100-250 grams of the seal liver can result in human death.
  • Argininosuccinic aciduria: A rare inherited disorder of the urea cycle characterized by the lack of an enzyme (argininosuccinate lyase) which is needed to remove nitrogen from the body so a lack of the enzyme leads to a build-up of ammonia in the blood.
  • Arthrogryposis IUGR thoracic dystrophy: A very rare syndrome characterized by congenital joint contractures, intrauterine growth retardation (IUGR) and ribcage abnormalities.
  • Atopic dermatitis: Skin rash usually from allergic causes.
  • Atrichia -- mental and growth delay: A rare syndrome characterized mainly by mental retardation, growth delay and the absence of hair.
  • Atrichia with papular lesions: A rare syndrome characterized by the loss of hair soon after birth and the eventual development of a popular rash that covers all areas of skin.
  • Australian Sea Lion poisoning: The Australian Sea Lion is sometimes used as a food source and is found in the South-Southwest waters of Australia. Eating the liver of the Australian Sea Lion can result in a Vitamin A overdose which can cause serious symptoms and even death in extreme cases.
  • Autoimmune diseases: A group of disorders in which the primary cause is the an inflammatory reaction caused by the body's own immune system attacking tissues
  • Autoimmune polyendocrinopathy syndrome, type 1: A very rare autoimmune disorder characterized by autoimmune polyendocrinopathy (APE), candidiasis (C) and ectodermal dysplasia (ED).
  • Autoimmune thyroid diseases: Autoimmune diseases of the thyroid gland.
  • Autumn crocus poisoning: The Autumn crocus is a perennial herb which bears purplish-pink flowers. The plant is often used as an ornamental indoor or outdoor plant. The plant contains a chemical called colchicine which can be very poisonous if eaten. The plant is considered to be very toxic if eaten. Boiling the leaves before eating them appears to increase their toxicity. Most cases of poisoning are through accidental ingestion. The plant is sometimes mistaken for wild garlic.
  • Bagatelle-Cassidy syndrome: An extremely rare syndrome characterized by a large head, widely spaced eyes, hearing loss, short limbs and developmental delay.
  • Bald: A condition which is characterized by the loss of hair in an anatomical location
  • Baldness: Loss of scalp hair
  • Bamboo hair syndrome: A rare inherited condition characterized by abnormally formed hair shafts and a skin condition involving scaling and redness of the skin. Patients are also predisposed to developing allergic conditions such as asthma and eczema and food allergies. The severity of the condition can vary with some infants having a poor prognosis due to severe allergies, infections and skin problems whereas others have milder symptoms and fewer allergic manifestations.
  • Bamforth syndrome: A rare syndrome characterized mainly by the association of an abnormal opening in the roof of the mouth and reduced thyroid functioning.
  • Basaran-Yilmaz syndrome: A very rare syndrome characterized by reduced body hair, thickened skin on various parts of the body and the presence of white nails at birth.
  • Bazex-Dupre-Christol syndrome: A very rare syndrome characterized by decreased hair growth, basal cell cancers and destruction of skin follicles which tends to affect the extremities, elbows and knees.
  • Berlin Breakage syndrome: A very rare syndrome characterized mainly by a small head, reduced immunity and increased risk of cancer. The features of this condition are virtually indistinguishable from the Nigmegen Breakage syndrome.
  • Biotin deficiency: Vitamin H deficiency
  • 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.
  • Birth symptoms: Symptoms related to childbirth.
  • Bjornstad syndrome: An inherited condition characterized by twisted hairs and nerve deafness.
  • Björnstad Syndrome:
  • Blepharitis: A common eyelid inflammation
  • Blood loss: loss of blood can occur through any of the body orifices
  • Body symptoms: Symptoms affecting the entire body features.
  • Bullous dystrophy, macular type: A rare condition characterized by loss of scalp hair, increased skin pigmentation, small head, mental retardation, short stature and blisters. The blisters do not form necessarily on skin that has suffered trauma but occurs spontaneously.
  • Burns: Injury from burns and scalds.
  • Cantu syndrome: A rare syndrome characterized by mental retardation, short stature, large skull, heart anomaly and various other abnormalities.
  • Capecitabine poisoning: Capecitabine is used to treat metastatic colorectal and breast cancer . 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.
  • Carbon Baby Syndrome: A rare condition characterized by progressive increase in pigmentation of mucosal lining and skin.
  • Cardiofaciocutaneous Syndrome: A rare genetic disorder characterized by short stature, congenital heart defects skin anomalies and frontal bossing.
  • Cartilage Hair Hypoplasia: An inherited disorder characterized by short-limb dwarfism as well as hair that is short, fine, brittle and often light colored.
  • Celiac disease, susceptibility to 1: The susceptibility to developing celiac disease due to a genetic defect on chromosome 6p21.3. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 10: The susceptibility to developing celiac disease due to a genetic defect on chromosome 3q25-q26. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 11: The susceptibility to developing celiac disease due to a genetic defect on chromosome 3q28. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 12: The susceptibility to developing celiac disease due to a genetic defect on chromosome 6q25.3. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 13: The susceptibility to developing celiac disease due to a genetic defect in the SH2B3 gene on chromosome 12q24. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 2: The susceptibility to developing celiac disease due to a genetic defect on chromosome 5q31-q33. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 3: The susceptibility to developing celiac disease due to a genetic defect on chromosome 2q33. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 4: The susceptibility to developing celiac disease due to a genetic defect on chromosome 19p13.1. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 5: The susceptibility to developing celiac disease due to a genetic defect on chromosome 15q11-q13. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 6: The susceptibility to developing celiac disease due to a genetic defect on chromosome 4q27. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 7: The susceptibility to developing celiac disease due to a genetic defect on chromosome 1q31. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 8: The susceptibility to developing celiac disease due to a genetic defect on chromosome 2q11-q12. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Celiac disease, susceptibility to 9: The susceptibility to developing celiac disease due to a genetic defect on chromosome 3p21. Celiac disease is a small intestine disorder where the ingestion of foods containing wheat gluten and similar proteins leads to the inflammation of the small intestine lining. This damage affects absorption of nutrients and can cause symptoms such as diarrhea. Growth in children due to malabsorption may also result. The type and severity of symptoms is variable.
  • Cerebellar ataxia -- ectodermal dysplasia: A rare syndrome characterized by balance and coordination problems and teeth and hair abnormalities.
  • Chagas disease: A parasitic infection caused by the protozoa Trypanosoma cruzi and transmitted by insect bites or blood transfusions. The disease primarily involves the heart and gastrointestinal system.
  • Chemical poisoning -- Borates: Borate is a chemical used in a wide variety of products - herbicides, paints, insecticides, rodenticides and various personal products such as skin creams, toothpastes and powders. 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.
  • Chemical poisoning -- Hexachlorobenzene: Hexachlorobenzene is a chemical used mainly in seed treatments. The chemical may be absorbed through the skin. 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.
  • Chemical poisoning -- Thallium Sulfate: Thallium Sulfate is a chemical used mainly in the manufacture of switches and closures in the semiconductor industry. It has historically also been used as a rodenticide. 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.
  • Childbirth: Symptoms related to childbirth.
  • Chondrodystrophia calcificans congenita: A rare genetic disorder characterized by growth deficiency, short limbs, large skin pores, sparse hair and other abnormalities.
  • Chondrodystrophia punctata, autosomal dominant: A rare genetic disorder characterized by growth deficiency, short limbs, large skin pores, sparse hair and other abnormalities.
  • Christianson Fourie syndrome: A very rare syndrome characterized mainly by hair and nail abnormalities.
  • Chromosome 1, monosomy 1q25 q32: A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as digital defects, facial dysmorphism, retarded growth, mental retardation and spasticity.
  • Chromosome 1, monosomy 1q4: A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as facial dysmorphism, retarded fetal growth, seizures, mental retardation, testicular problems and kidney defects.
  • Chromosome 16p, partial duplication: A rare chromosomal disorder involving an extra copy of genetic material from the short arm of chromosome 16. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material.
  • Chromosome 16q, partial duplication: A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 16. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material. Severe cases often result in spontaneous abortion or infant death.
  • Chromosome 19p duplication syndrome: A rare chromosomal disorder where the short arm of chromosome 19 is duplicated resulting in various abnormalities.
  • Chromosome 1q deletion: A rare chromosomal disorder where part of the long arm (q) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion.
  • Chromosome 1q duplication syndrome: A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 1 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material.
  • Chromosome 2, monosomy 2q37: A very rare chromosomal disorder where a part of the long arm of chromosome 2 is missing which results in various birth defects and abnormalities. The features of the disorder are determined by the exact size and location of the deletion.
  • Chromosome 22, trisomy: A very rare disorder where there is an extra copy of chromosome 22 in all the body cells. The condition is usually fatal soon after birth or during the fetal stage.
  • Chromosome Xp11.23-p11.22 Duplication syndrome: A rare syndrome characterized by the association of a large head, lack of hair, scoliosis and a skin anomaly. The reported patients tend to involve parents who were related.
  • Cirrhosis of liver: diffuse hepatic process characterized by fibrosis and the conversion of normal liver architecture into structurally abnormal nodules
  • Cleft lip palate -- oligodontia -- syndactyly -- pili torti: A very rare syndrome characterized by a cleft lip and palate, webbed fingers, missing teeth and hair abnormality (pili torti).
  • Coffin-Siris Syndrome: A rare genetic disorder characterized by underdeveloped or absent fifth finger and toenails and coarse facial features.
  • Coloboma -- hair abnormality: A very rare syndrome characterized mainly by hair and eye abnormalities.
  • Comel-Netherton Syndrome: A rare inherited condition characterized by abnormally formed hair shafts and a skin condition involving scaling and redness of the skin. Patients are also predisposed to developing allergic conditions such as asthma and eczema and food allergies. The severity of the condition can vary with some infants having a poor prognosis due to severe allergies, infections and skin problems whereas others have milder symptoms and fewer allergic manifestations.
  • Congenital alopecia X-linked: A rare inherited form of reduced or absent of scalp hair from infancy. As it is X-linked it tends to affect males only.
  • Congenital disorder of glycosylation type 1M: Congenital disorders of glycosylation is a group of very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type Im is caused by a defect on chromosome 9q34.11 and involves a defect in the TMEM15 gene.
  • Congenital hypotrichosis milia: A rare inherited disorder characterized by reduced hair from birth and the development of numerous milia which tend to disappear by adolescence. The milia occur on the face, chest, armpits and genital area.
  • Conradi-Huenermann Syndrome: A rare genetic disorder characterized by growth deficiency, short limbs, large skin pores, sparse hair and other abnormalities.
  • Conradi-Hunermann syndrome: A rare genetic disorder characterized by growth deficiency, short limbs, large skin pores, sparse hair and other abnormalities.
  • Conradi-Hünermann Syndrome: A condition which affects the development of bone and cartilage
  • Contact dermatitis: Skin reaction to an irritant
  • Copper deficiency, familial benign: A rare inherited copper deficiency. Copper has many functions in the body including heart function, cholesterol metabolism, brain development, immune defenses, blood supply, glucose metabolism and normal bone development.
  • Cronkhite-Canada Syndrome: A rare non-inherited disorder characterized by numerous growths in the mucous lining of the intestine and stomach, hair loss, dark pigmented skin spots and loss of fingernails.
  • Cronkhite-Canada disease: A rare condition characterized primarily by polyps in the digestive tract, hair loss and nail problems.
  • Crumpled helices and small mouth: A very rare condition observed in two sibling and characterized by the association of a small mouth and crumpled ear helices.
  • Cushing's disease: A condition of hyperadrenocorticism which is secondary to excessive pituitary secretion of ACTH. Cushing's disease is different to Cushing's syndrome which refers to the effects of glucocorticoid excess from any cause.
  • Cushing-like symptoms: Symptoms similar to those of Cushing's disease
  • Cutaneous T-cell lymphoma: A malignancy of the T-cells which make up part of the body's immune system. The cancer is characterized by the excessive proliferation of T-cells which are a type of white blood cell. The degree of skin involvement is variable.
  • Danazol -- Teratogenic Agent: There is evidence to indicate that exposure to Danazol (used to treat endometriosis) 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.
  • Deafness -- pili torti -hypogonadism: An inherited condition characterized by twisted hairs, hypogonadism and nerve deafness.
  • Del (2) (q37.3-qter) and dup (8) (q24.3-qter)): A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in the few reported cases. The manifestations linked to most genetic defects are often variable to some degree.
  • Dennis cohen syndrome: A rare syndrome characterized mainly by unusual facial appearance, mental retardation, short stature and sparse hair.
  • Dermatitis: Inflammation of the skin.
  • Dermatopathia pigmentosa reticularis: A very rare syndrome characterized mainly by increased skin pigmentation, thickened skin on palms and soles and reduced sweating.
  • Dermo-odontodysplasia: A very rare syndrome characterized mainly by tooth, skin, hair and nail abnormalities.
  • Discoid lupus erythematosus: Form of lupus affecting the skin.
  • Dubowitz Syndrome: A rare genetic and developmental disorder characterized by infantile eczema, small stature, microcephaly and peculiar facial features.
  • Dyskeratosis Congenita: A rare genetic disorder characterized by sking pigmentation abnormalities, nail dystrophy and mucous membrane changes.
  • Dyskeratosis congenita of Zinsser-Cole-Engman: An inherited condition characterized by recurring painful mouth ulcers, skin pigmentation and nail abnormalities.
  • Dystrophic epidermolysis bullosa: A rare inherited skin blistering condition which can vary in severity depending on how it is inherited. Recessively inherited are more severe than dominantly inherited cases and can cause the loss of patches of skin and scarring which can impair limb function.
  • EEC syndrome: A rare genetic disorder characterized by absence of fingers and toes, ectodermal dysplasia and cleft lip or cleft palate.
  • Ectodermal dysplasia: A group of rare inherited conditions which affect the ectodermal skin layer which includes the skin, hair, teeth and nails.
  • Ectodermal dysplasia -- alopecia -- preaxial polydactyly: A rare syndrome characterized by facial abnormalities, extra toes and sparse or absent hair.
  • Ectodermal dysplasia -- arthrogryposis -- diabetes mellitus: A rare syndrome characterized by diabetes, short stature and tooth, hair and nail abnormalities.
  • Ectodermal dysplasia -- blindness: A rare syndrome characterized mainly be mental retardation, vision loss, short stature and teeth and hair abnormalities.
  • Ectodermal dysplasia -- ectrodactyly -- macular dystrophy: A rare syndrome characterized mainly by skin, hair, nail and eye abnormalities as well as missing fingers.
  • Ectodermal dysplasia -- hypohidrotic -- hypothyroidism -- ciliary dyskinesia: A rare syndrome characterized by alopecia (A), nail problems (N), eye problems (O - ophthalmic), thyroid dysfunction (T), reduced sweating (H - hypohidrosis), freckles (E-ephelides), intestinal disease (E - enteropathy) and respiratory tract infections (R).
  • Ectodermal dysplasia -- neurosensory deafness: A rare syndrome characterized by nerve deafness, abnormally bent fifth fingers, ectodermal dysplasia and scoliosis.
  • Ectodermal dysplasia anhidrotic: A rare inherited condition involving skin, hair, teeth and nail abnormalities. The condition is characterized by the absence of sweat and sebaceous glands, underdeveloped hair and teeth, characteristic face and other physical deformities.
  • Ectodermal dysplasia trichoodontoonychial type: A rare syndrome characterized by nail, tooth and hair abnormalities.
  • Ectodermal dysplasia with natal teeth, Turnpenny type: A rare syndrome characterized mainly by missing teeth, sparse hair and dark velvety skin patches called acanthosis nigricans. The skin patches usually disappears during the second decade and may reoccur during pregnancy.
  • Ectodermal dysplasia, 'pure' hair-nail type: A rare syndrome characterized mainly by greatly reduced hair on the scalp, eyelashes and eyebrows as well as abnormal nails.
  • Ectodermal dysplasia, Berlin type: A rare syndrome characterized mainly by the absence of many or all teeth, a lack of hair, mental retardation and skin abnormalities.
  • Ectodermal dysplasia, Margarita type: A rare genetic disorder characterized by mental retardation, webbed digits, cleft lip, cleft palate, sparse hair, reduced sweating and teeth abnormalities. Progressive loss of scalp hair usually results in baldness by adulthood.
  • Ectodermal dysplasia, anhidrotic with T-cell immunodeficiency, autosomal dominant: An inherited disorder characterized by dry, rough skin, sparse scalp hair, cone-shaped teeth and an immune system disorder.
  • Ectodermal dysplasia, hypohidrotic, autosomal dominant: A very rare inherited disorder that affects the development of skin, hair, nails, teeth and sweat glands during the fetal stage.
  • Ectodermal dysplasia, hypohidrotic, autosomal recessive: A rare genetic multisystem disorder characterized by hair, teeth, nail and skin abnormalities and absence of certain sweat glands.
  • Ectodermal dysplasia, hypohidrotic, with immune deficiency: A rare genetic disorder characterized inability to sweat, immune system problems and hair and teeth abnormalities.
  • Ectodermal dysplasia/ skin fragility syndrome: An extremely rare syndrome characterized by fragile skin which blisters and peels, abnormal nails and thickened skin on palms and soles. Skin blistering and peeling starts at birth.
  • Ectrodactyly -- Ectodermal Dysplasia -- Cleft Lip/Palate Syndrome, Type 1: EEC (Ectrodactyly, ectodermal dysplasia, cleft lip/palate) is a rare inherited condition characterized by split hand and foot deformities of variable severity, cleft lip or palate and teeth and hair anomalies. There are two main types of EEC which differ in the origin of the genetic defect. Type 1 is caused by a defect on chromosome 7q11. The severity and type of symptoms and deformities is highly variable.
  • Ectrodactyly -- Ectodermal Dysplasia -- Cleft Lip/Palate Syndrome, Type 3: EEC (Ectrodactyly, ectodermal dysplasia, cleft lip/palate) is a rare inherited condition characterized by split hand and foot deformities of variable severity, cleft lip or palate and teeth and hair anomalies. There are two main types of EEC which differ in the origin of the genetic defect. Type 3 is caused by a defect on chromosome 3q27. The severity and type of symptoms and deformities is highly variable.
  • Ectrodactyly ectrodermal dysplasia: A rare genetic disorder characterized by missing digits and hair, teeth and nail abnormalities. The severity of the hand and foot malformations is variable.
  • Ectrodactyly-ectodermal dysplasia-cleft lip/cleft palate: A rare inherited condition characterized by abnormalities of the fingers, toes, hair, glands, eyes anr urinary tract.
  • Eczema: Skin rash usually from allergic causes.
  • Ehlers-Danlos syndrome, progeroid form: A connective tissue disorder caused by an enzyme (xylosylprotein 4-beta-galactosyl transferase) deficiency.
  • Endocrine disorders: Any disorder that affects the endocrine system
  • Epidermal nevus -- vitamin D resistant rickets: A rare syndrome characterized mainly by the presence of birth marks on the skin, bone abnormalities and mental retardation.
  • Epidermalolysis bullosa: A group of skin disorders characterized by fragile skin which can blister upon little or no trauma to the skin. There are a number of different subtypes with some being inherited and some acquired. The hands and feet are often the main parts of the body affected.
  • Epidermolysis bullosa, lethal acantholytic: A very rare inherited disorder characterized by extremely fragile skin and mucous membranes which blisters and peels. The majority of the skin blisters and peels within a week of birth. Severe fluid loss and death follows soon after.
  • Epidermolysis bullosa, simplex: A group of skin disorders characterized by fragile skin which can blister upon little or no trauma to the skin. There are a number of different subtypes with some being inherited and some acquired. The hands and feet are often the main parts of the body affected.
  • Epidermolytic epidermolysis bullosa: A group of skin disorders characterized by fragile skin which can blister upon little or no trauma to the skin. There are a number of different subtypes with some being inherited and some acquired. The hands and feet are often the main parts of the body affected.
  • Erosive pustular dermatosis of the scalp: A form of scalp inflammation that is not contagious. It is a chronic disorder which can cause hair loss due to hair follicle damage if untreated.
  • Erythroderma: Condition with thickening and flaking skin
  • Euhidrotic ectodermal dysplasia: A rare syndrome characterized mainly by tooth, hair and facial abnormalities.
  • Excessive dieting: Excessive limitation of food intake can lead to problems and effects such as dizziness, depression, intestinal problems, edema and impaired growth.
  • FG Syndrome: A rare genetic disorder characterized by anal abnormalities, reduced muscle tone and a prominent forehead.
  • FG syndrome 1: A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 1, the genetic defect is located on chromosome Xq12-q21.31.
  • FG syndrome 2: A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 2, the genetic defect is located on chromosome Xq28.
  • FG syndrome 3: A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 3, the genetic defect is located on chromosome Xp22.3.
  • FG syndrome 4: A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 4, the genetic defect is located on chromosome Xp11.4-p11.3.
  • FG syndrome 5: A rare inherited disorder characterized by anal abnormalities, reduced muscle tone and abnormal brain development. In type 5, the genetic defect is located on chromosome Xq22.3.
  • Face symptoms: Symptoms affecting the face
  • Familial hypopituitarism: Impaired pituitary gland hormone-producing activity that tends to run in families. The failure of the pituitary gland in turn affects other hormone-producing glands which rely on the hormones from the pituitary gland for their activity. Symptoms are determined by the degree and type of hormone deficiency involved.
  • Familial hypothyroidism: Impaired thyroid activity that tends to run in families.
  • Feminisation: Female-like physical changes in males
  • Fever: Raised body temperature usually with other symptoms.
  • Fibrodysplasia Ossificans Progressiva: A rare genetic connective tissue disorder characterized by a short toe, fibrous dysplasia and bone formation in muscles, ligaments, tendons and soft connective tissue.
  • Fischer Syndrome: A rare condition characterized by unusual facial appearance, thickened skin on palms and soles, physical and mental delay and various other anomalies.
  • Fitzsimmons-McLachlan-Gilbert syndrome: A very rare syndrome characterized mainly by mental retardation paraplegia and thickened coarse skin on palms and soles.
  • Focal alopecia congenital -- megalencephaly: A very rare syndrome characterized mainly by patchy hair loss which has no associated inflammation and scarring of the scalp. Megalencephaly (large, heavy brain) is also present.
  • Focal dermal hypoplasia: A rare genetic disorder characterized by bone, skin, teeth and pigmentation abnormalities as well as asymmetry of the face, trunk and extremities.
  • Freire-Maia odontotrichomelic syndrome: A rare syndrome characterized by tooth, hair and limb abnormalities.
  • Freire-Maia syndrome: An extremely rare syndrome characterized by tooth, hair and limb abnormalities. The abnormalities can be quite severe in some cases. The parents may have been related in the reported cases.
  • Functioning pancreatic endocrine tumor: Tumors that develop in the pancreas and cause excessive secretion of one or more pancreatic hormones such as insulin, somatostatin, glucagons, gastrin, ACTH (corticosteroids) and vasoactive intestinal peptidase.
  • GAPO syndrome: A rare condition characterized by retarded growth, alopecia, otpic atrophy and failure of teeth to erupt.
  • Gamborg nielsen syndrome: A rare genetic disorder characterized by hair, tooth and nail disorders.
  • Garret-Tripp syndrome: A rare syndrome characterized mainly by extra digits, a lack of hair and scaly skin on the scalp, face and neck.
  • Generalized lipodystrophy with mental retardation, deafness, short stature and slender bones: A recessively inherited disorder characterized by short stature, mental retardation, deafness, slender bones and degeneration of the body's fat tissue.
  • Generalized pustular psoriasis: This is a rare form of psoriasis is also known as von Zumbusch psoriasis. It can be life-threatening especially in the elderly. It is characterized by the development of pustules in the flexural areas - the backs of the knees, the insides of the elbows, the armpits and the groin. These pustules continue to spread and soon they join to form lakes of pus. The pustules rupture easily and can become infected. This condition can be fatal if the patient gets dehydrated, or the infection spreads to the bloodstream. Generalized pustular psoriasis is often triggered by stopping topical or oral steroids.
  • Glomerulonephritis -- sparse hair -- telangiectases: A rare syndrome characterized by sparse hair, kidney disease and enlarged skin blood vessels (telangiectasia).
  • Glory lily poisoning: The glory lily is a type of vine which bears unusual yellow and red flowers. It is often used as an indoor and outdoor ornamental plant. The plant contains various chemicals that can cause serious symptoms if eaten. The roots are the most toxic part of the plant. The plant is considered very toxic and serious cases can result in death.
  • Glucocorticoid resistance: A rare condition where all or parts of the body are unable to respond to glucocorticoids. Symptoms depend on the level or resistance.
  • Graft versus host disease -- chronic: A condition that occurs as a complication of bone marrow transfusion or leukocyte transfusion. The introduced transfusion material produces immune cells against the host's body. The chronic form of the condition usually results in symptoms 3 months or more after the transfusion.
  • Granulomatous hypophysitis: A rare disorder caused by the inflammation of the pituitary gland. It can occur as a result of other infections such as tuberculosis and sarcoidosis.
  • Graves disease: A condition which is an autoimmune disease that affects the thyroid resulting hyperthyroidism
  • Graying: Gray coloring of the hair
  • Grief or loss: The normal emotional response that occurs to an external loss
  • Growth Hormone Receptor Deficiency: Laron syndrome is a rare genetic disease where the body has sufficient growth hormones but lacks receptors to utilize the hormone and hence dwarfism results. Type 1 involves a defect in the growth hormone receptor gene which prevents the hormone from binding and being used. Hence there are high levels of free growth hormone in the plasma. Type II involves a problem with the processing of the growth hormone once it has been bound properly to the cell surface.
  • HAIR-AN Syndrome: A very rare syndrome that affects females only and is characterized mainly by insulin resistance, dark velvety patches of skin and increased male hormone production in females.
  • Hair conditions: Any disorder the affects the hair
  • Hair defect photosensitivity mental retardation: A very rare syndrome characterized mainly by mental retardation, sensitivity to light and sparse, fragile hair.
  • Hair defect with photosensitivity and mental retardation: A very rare syndrome characterized mainly by mental retardation, sensitivity to light and sparse, fragile hair
  • Hair loss: Loss or thinning of head or body hair
  • Hair loss in children: Hair loss in children is the loss of a child's hair.
  • Hair symptoms: Symptoms affecting the hair
  • Hair thinning: The thinning of ones hair
  • Hairiness: Increasing or heavy head or body hair
  • Hallermann-Streiff Syndrome: A condition which affects stature, head shape and hair growth
  • Hanhart syndrome type IV: A rare disorder where a genetic error of amino acid metabolism results in thickened skin on palms and soles, skin lumps, mental retardation and finger, toe, eye, hair and teeth abnormalities.
  • Hashimoto's thyroiditis: Hashimoto thyroiditis is characterized by the destruction of thyroid cells by various cell- and antibody-mediated immune processes. Patients with Hashimoto thyroiditis have antibodies to various thyroid antigens, the most frequently detected of which include antithyroid peroxidase (anti-TPO), antithyroglobulin (anti-Tg), and, to a lesser extent, TSH receptor-blocking antibodies.
  • Hay-Wells Syndrome: A rare genetic disorder characterized by ankyloblepharon, ectodermal dysplasia, and cleft lip and/or cleft palate.
  • Hay-Wells syndrome, recessive type: A rare recessively inherited genetic disorder characterized by ankyloblepharon, ectodermal dysplasia, and cleft lip and/or cleft palate. The recessive form of this condition is distinguished by the presence at birth of adhesions between the upper and lower jaws.
  • Head symptoms: Symptoms affecting the head or brain
  • Heller-Nelson syndrome: A variant of Klinefelter syndrome (extra X chromosome in most cells) involving a range of abnormalities.
  • Hemochromatosis type 3: A rare genetic disorder where too much iron is absorbed from food and it is stored in various parts of the body which can cause damage. Type 3 has an onset that is between type 1 and type 2 and is inherited recessively.
  • Heparin -- Teratogenic Agent: There is evidence to indicate that exposure to Heparin (an anticoagulant drug) 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.
  • Herbal Agent overdose -- Autumn Crocus: Autumn crocus can be used as a herbal agent to treat gout and rheumatoid conditions. The herbal agent contains chemicals such as colchicine and the ingestion of excessive amounts of this can result in symptoms. Severe overdose can result in death and chronic ingestion can also cause harmful effects.
  • Hidrotic ectodermal dysplasia, type Christianson-Fourie: A very rare syndrome characterized mainly by hair and nail abnormalities.
  • High Blood Iron: Where a patient has an elevated iron content of their blood
  • High fever: Where a patient has an elevated temperature
  • Homocystinuria: A rare inherited metabolic disorder involving the amino acid methionine and resulting in a harmful accumulation of homocysteine in the body.
  • Homocystinuria due to defect in methylation cbl e: An inherited organic acid disorder where an enzyme deficiency (methionine synthase reductase) impairs the body's ability to break down certain proteins consumed in the diet. This results in a buildup of methylmalonic acid and homocystine which results in harmful affects. It is a form of vitamin B12 deficiency.
  • Homocystinuria syndrome: A rare genetic connective tissue disorder caused by an enzyme deficiency and characterized by dislocation of eye lens, malar flush and osteoporosis.
  • Homologous wasting disease: A term used to describe the disease state resulting from a graft versus host reaction. Graft versus host reaction occurs when the immune system of a transplant patient attacks the transplanted tissue but in homologous wasting disease the immune cells in the transplanted tissue actually attacks the host tissues. The condition occurs most often after a bone marrow transplant.
  • Hunter-Carpenter-Macdonald syndrome: A very rare syndrome characterized by various abnormalities including small head, facial anomalies, mental retardation and hair, skin and nail anomalies. Fetal exposure to alcohol is believed to be a factor in the syndrome.
  • Hutchinson Gilford Syndrome: A rare genetic disorder characterized by alopecia and senile-like appearance.
  • Hyperadrenalism: Excessive levels of adrenal hormones in the body. Symptoms depend on which hormone is involved and the degree of involvement. Adrenal hormones are aldosterone, corticosteroids, androgenic steroids, epinephrine and norepinephrine.
  • Hyperandrogenism: Excessive levels of androgen (male sex hormones) that can occur in males and females.
  • Hyperthyroidism: The excessive activity of the thyroid gland
  • Hypervitaminoses A and D: The excessive physiological effect of vitamin A or D cause by excessive intake of the vitamins
  • Hypogonadotropic hypogonadism -- syndactyly: A very rare syndrome characterized mainly by webbed toes and reduced gonad function.
  • Hypogonadotropic hypogonadism alopecia: A very rare syndrome characterized by partial alopecia and lack of secondary sex hormone production.
  • Hypohidrotic Ectodermal Dysplasia: An inherited disorder involving the developmental abnormalities during the fetal stage that can affect the skin, hair, nails, teeth and sweat glands. This form of ectodermal dysplasia is characterized by a reduced ability to sweat due to a lack of sweat glands or dysfunction of present sweat glands.
  • Hypoparathyroidism: causesd by lack of PTH
  • Hypopigmented lesions in children: Hypopigmented lesions in children refers are sores or ulcers that are colorless or have lost color in a child.
  • Hypopituitarism: A condition characterized by diminished hormonal section by the pituitary gland
  • Hypothyroidism: The decreased activity of the thyroid gland
  • Hypothyroidism -- cleft palate: A rare syndrome characterized mainly by the association of an abnormal opening in the roof of the mouth and reduced thyroid functioning.
  • Hypothyroidism -- dermoid cyst -- cleft palate: A rare syndrome characterized by primary hypothyroidism, dermoid cyst, cleft palate and other abnormalities.
  • Hypotrichosis: Reduced amount of hair on head and/or body.
  • Hypotrichosis -- ichthyosis, congenital: A rare, recessively inherited disorder characterized by dry, scaly skin and sparse hair.
  • Hypotrichosis -- lymphoedema -- telangiectasia: A rare syndrome characterized mainly by sparse hair, lymphedema and telangiectasia.
  • Hypotrichosis simplex: Abnormally sparse hair caused by a genetic anomaly.
  • IBIDS syndrome: A rare inherited skin disorder characterized by red, dry, scaly skin (I - ichthyosis), brittle hair (B), impaired physical and mental development (I), decreased fertility (D) and short stature (S). It is the same as PIBIDS syndrome but doesn't involve photosensitivity.
  • Ichthyosiform Erythroderma, Corneal Involvement and Deafness Syndrome: A rare genetic ectodermal disorder characterized by keratitis, skin lesions and sensorineural deafness. The deafness and skin redness are usually present at birth and the corneas of the eye are gradually destroyed by keratitis which can result in loss of vision.
  • Ichthyosiform erythroderma, nonbullous congenital: A rare inherited skin disorder characterized by redness, scaling and ultimately thickening of the skin that occurs from birth. The severity of the condition is variable.
  • Ichthyosis and male hypogonadism: A very rare syndrome characterized mainly by scaly skin and insufficient hormone production by the male gonads.
  • Ichthyosis male hypogonadism: A very rare syndrome characterized mainly by scaly skin and insufficient hormone production by the male gonads.
  • Ichthyosis with hypotrichosis, autosomal recessive: A rare, recessively inherited disorder characterized by dry, scaly skin and sparse hair.
  • Ichthyosis, Keratosis Follicularis Spinulosa Decalvans: A rare inherited skin disorder where the skin around hair follicles becomes stiffened and the resulting scarring causes hair loss.
  • Incontinentia Pigmenti: A rare genetic skin pigmentation disorder characterized by eye, teeth, bone, nail and hair malformations as well as central nervous abnormalities and mental deficiency.
  • Interferon Alpha -- Teratogenic Agent: There is evidence to indicate that exposure to Interferon Alpha 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.
  • Iris coloboma, macrocephaly, agenesis of the corpus callosum, brachydactyly and mental retardation: A rare syndrome characterized mainly by a small head, brain anomaly, short digits, mental retardation and an eye defect.
  • Iron deficiency: When there is a deficiency of iron in the body
  • Iron deficiency anemia: Iron-deficiency anemia is a blood condition characterized by low levels of iron in the body which leads to a reduction in the number of red blood cells.
  • Jadassohn-Lewandowsky syndrome: A rare, inherited disorder characterized by thickening of nails, white patches on mouth and anus(leukoplakia) and thickened hard skin on soles and palms.
  • Jorgenson syndrome: A rare inherited syndrome characterized by hair, teeth and skin abnormalities. The hair may be normal at birth but becomes sparse by the second decade.
  • Judge-Misch-Wright syndrome: A very rare syndrome characterized mainly by thickened skin on palms and soles as well as around the mouth.
  • Juvenile macular degeneration and hypotrichosis: A very rare syndrome characterized mainly by hair loss and eye degeneration.
  • Juvenile macular degeneration, hypotrichosis: A very rare syndrome characterized mainly by hair loss and eye degeneration.
  • Kaler-Garrity-Stern syndrome: A very rare syndrome characterized mainly by osteopenia, mental retardation and sparse hair.
  • Katsantoni-Papadakou-Lagoyanni syndrome: A very rare syndrome characterized mainly by mental retardation and hair abnormalities.
  • Keratitis Ichthyosis Deafness Syndrome: A rare genetic ectodermal disorder characterized by keratitis, skin lesions and sensorineural deafness. The deafness and skin redness are usually present at birth and the corneas of the eye are gradually destroyed by keratitis which can result in loss of vision.
  • Keratosis follicularis -- dwarfism -- cerebral atrophy: A very rare syndrome characterized mainly by dwarfism, brain degeneration and a hair follicle disorder.
  • Keratosis follicularis Spinulosa Decalvans, Autosomal Dominant: A rare inherited skin disorder affecting mostly males and characterized by hardening of skin around hair follicles which leads to scarring and loss of hair. The skin on the face, neck, forearms and other areas can also be affected. Because the condition is inherited in a X-linked manner, carrier females may have milder symptoms.
  • Keratosis follicularis Spinulosa Decalvans, X-Linked: A rare inherited skin disorder affecting mostly males and characterized by hardening of skin around hair follicles which leads to scarring and loss of hair. The skin on the face, neck, forearms and other areas can also be affected.
  • Keratosis follicularis spinulosa decalvans: A rare inherited skin disorder affecting mostly males and characterized by hardening of skin around hair follicles which leads to scarring and loss of hair. The skin on the face, neck, forearms and other areas can also be affected.
  • Keratosis pilaris: A condition characterized by hyperkeratosis which is limited to the hair follicles
  • Klinefelter syndrome: A genetic condition where males have at least one extra X chromosome or extra copies of both the X and Y chromosomes in each cell. Normally male cells contain one X and one Y chromosome in each cell. The condition is not inherited but is a result of problems during cell division. Klinefelter syndrome variants is a more severe form of the condition as it involves more than one extra X or X and Y chromosome in each cell.
  • Lactic Acidosis, Fatal Infantile: The excessive accumulation of lactic acid in the blood which leads to metabolic acidosis.
  • Lactic acidosis congenital infantile: A rare congenital condition where an infant has high levels of lactic acid in the blood causing metabolic acidosis.
  • Lamellar ichthyosis: A very rare disorder where an infant is born covered with a transparent membrane which sheds to reveal red scaly skin patches of varying sizes.
  • Lamellar ichthyosis, autosomal dominant form: A very rare dominantly inherited disorder where an infant is born covered with a transparent membrane which sheds to reveal red scaly skin patches of varying sizes.
  • Lamellar ichthyosis, type 1: A very rare disorder where an infant is born covered with a transparent membrane which sheds to reveal red scaly skin patches of varying sizes. Type 1 is distinguished by the location of the genetic defect - chromosome 14q11.2.
  • Lamellar ichthyosis, type 2: A very rare disorder where an infant is born covered with a transparent membrane which sheds to reveal red scaly skin patches of varying sizes. Type 2 is distinguished by the location of the genetic defect - chromosome 2q34.
  • Lamellar ichthyosis, type 3: A very rare disorder where an infant is born covered with a transparent membrane which sheds to reveal large dark, plate-like scales. Type 3 is distinguished by the location of the genetic defect - chromosome 19p12-q12. This type also affects the ears and face to a greater degree than other types.
  • Lamellar ichthyosis, type 5: A very rare disorder where an infant is born covered with a transparent membrane which sheds to reveal red scaly skin patches of varying sizes. Type 5 is distinguished by the location of the genetic defect - chromosome 17p13.2-p13.1.
  • Laron Dwarfism: Laron syndrome is a rare genetic disease where the body has sufficient growth hormones but lacks receptors to utilize the hormone and hence dwarfism results. Type 1 involves a defect in the growth hormone receptor gene which prevents the hormone from binding and being used. Hence there are high levels of free growth hormone in the plasma. Type II involves a problem with the processing of the growth hormone once it has been bound properly to the cell surface.
  • Laron Pituitary Dwarfism: Laron syndrome is a rare genetic disease where the body has sufficient growth hormones but lacks receptors to utilize the hormone and hence dwarfism results. Type 1 involves a defect in the growth hormone receptor gene which prevents the hormone from binding and being used. Hence there are high levels of free growth hormone in the plasma. Type II involves a problem with the processing of the growth hormone once it has been bound properly to the cell surface.
  • Laron Syndrome: Laron syndrome is a rare genetic disease where the body has sufficient growth hormones but lacks receptors to utilize the hormone and hence dwarfism results. Type 1 involves a defect in the growth hormone receptor gene which prevents the hormone from binding and being used. Hence there are high levels of free growth hormone in the plasma. Type II involves a problem with the processing of the growth hormone once it has been bound properly to the cell surface.
  • Laron Type Pituitary Dwarfism 1: Laron syndrome is a rare genetic disease where the body has sufficient growth hormones but lacks receptors to utilize the hormone and hence dwarfism results. Type 1 involves a defect in the growth hormone receptor gene which prevents the hormone from binding and being used. Hence there are high levels of free growth hormone in the plasma. Type II involves a problem with the processing of the growth hormone once it has been bound properly to the cell surface.
  • Laron-type Dwarfism Phenotypic Syndrome: Laron syndrome is a rare genetic disease where the body has sufficient growth hormones but lacks receptors to utilize the hormone and hence dwarfism results. Type 1 involves a defect in the growth hormone receptor gene which prevents the hormone from binding and being used. Hence there are high levels of free growth hormone in the plasma. Type II involves a problem with the processing of the growth hormone once it has been bound properly to the cell surface.
  • Leprosy, susceptibility to, 1: A chronic, progressive infectious disease caused by Mycobacterium leprae which causes skin sores and also affects the eyes, mucous membranes and peripheral nerves. The range of manifestations and severity of symptoms is quite variable. Researchers have discovered a number of genetic mutations linked to an increased susceptibility to leprosy. Type 1 is linked to a defect on chromosome 10p13.
  • Leprosy, susceptibility to, 2: A chronic, progressive infectious disease caused by Mycobacterium leprae which causes skin sores and also affects the eyes, mucous membranes and peripheral nerves. The range of manifestations and severity of symptoms is quite variable. Researchers have discovered a number of genetic mutations linked to an increased susceptibility to leprosy. Type 2 is linked to a defect on chromosome 6q25.2-q27.
  • Leprosy, susceptibility to, 3: A chronic, progressive infectious disease caused by Mycobacterium leprae which causes skin sores and also affects the eyes, mucous membranes and peripheral nerves. The range of manifestations and severity of symptoms is quite variable. Researchers have discovered a number of genetic mutations linked to an increased susceptibility to leprosy. Type 3 is linked to a defect on chromosome 4q32 and 4p14.
  • Leprosy, susceptibility to, 4: A chronic, progressive infectious disease caused by Mycobacterium leprae which causes skin sores and also affects the eyes, mucous membranes and peripheral nerves. The range of manifestations and severity of symptoms is quite variable. Researchers have discovered a number of genetic mutations linked to an increased susceptibility to leprosy. Type 4 is linked to a defect on chromosome 6p21.3.
  • Leukomelanoderma, infantilism, mental retardation, hypodontia, hypotrichosis: A very rare condition characterized by areas of increased and decreased skin pigmentation, mental retardation and sparse hair
  • Lichen planus: Skin rash
  • Liver symptoms: Symptoms affecting the liver
  • Loose anagen syndrome: A rare condition where hair is easily plucked from the scalp even thought the hair itself is not fragile.
  • Loss of eyelashes: The loss of a persons eyelashes
  • Lupus erythematosus: aid an autoimmune disorder which can affect most of the organs in the body
  • Macrocephaly, rhizomelia and conductive hearing loss: A rare syndrome characterized by a large head, short limbs and conductive hearing loss.
  • Madokoro-Ohdo-Sonoda syndrome: A rare disorder characterized by the absence of all four limbs, an unusual face and retarded development.
  • Male-pattern baldness: The occurrence of baldness in the male in a characteristic pattern that increases with age
  • 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 B 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, face and trunk in type B. The severity of the symptoms is variable.
  • Marie Unna congenital hypotrichosis: A rare inherited condition characterized by hair loss that starts during childhood. Women tend to have normal thickness hair that doesn't grow very long and loss of hair on other parts of the body such as eyelashes. Nail and teeth growth is also usually limited.
  • Marinesco-Sjogren I: A rare condition characterized by cerebellar ataxia, speaking difficulty, mental retardation, short stature and tooth, hair and nail abnormalities.
  • Masculinisation: Increased male physical appearance in females
  • McGrath Syndrome:
  • McKusick type metaphyseal chondrodysplasia: A rare genetic disorder characterized by short stature, skeletal abnormalities and fine, fragile hair.
  • Melanoma: Melanoma is the most dangerous type of skin cancer. It is the leading cause of death from skin disease. It involves cells called melanocytes, which produce a skin pigment called melanin. Melanin is responsible for skin and hair color.
  • Menkes Disease: Genetic disease of copper deficiency.
  • Menopause: End of female reproductive years
  • Mental retardation -- blepharophimosis -- obesity -- web neck: A very rare syndrome characterized mainly by mental retardation, eye abnormalities, obesity and a webbed neck.
  • Mental retardation -- myopathy -- short stature -- endocrine defect: A very rare syndrome characterized mainly by mental retardation, muscle disease, short stature and endocrine defects.
  • Mental retardation sparse hair brachydactyly: A very rare syndrome characterized by mental retardation, sparse hair and short digits.
  • Mesomelia radial hypoplasia bifid thumb unusual facies: A rare syndrome characterized mainly by skeletal abnormalities, dwarfism and hair, nail, skin and teeth abnormalities.
  • Metaphyseal chondrodysplasia, recessive type: A recessively inherited skeletal disorder characterized by abnormal development of the bone metaphyses which results in short stature from birth.
  • Microcephalic osteodysplastic primordial dwarfism types 1 and 3: Microcephalic osteodysplastic primordial dwarfism types 1 and 3 were originally regarded as separate conditions but it was recently concluded that they were different expressions of the same condition. The main differences between the two forms is a difference in the radiological bone anomalies. The condition is characterized mainly by bone abnormalities, short stature and a small head.
  • Microcephalic osteodysplastic primordial dwarfism, type 2: A very rare syndrome characterized mainly by growth problems before and after birth as well as various skeletal and facial anomalies.
  • Microcephaly -- sparse hair -- mental retardation -- seizures: A very rare disorder characterized by an abnormally small head, sparse hair, mental retardation and seizures.
  • Microcephaly immunodeficiency lymphoreticuloma: A very rare syndrome characterized mainly by a small head, reduced immunity and increased risk of cancer. There are a wide range of other abnormalities and symptoms that can occur.
  • Mikaelian syndrome: A rare disorder characterized mainly by permanently flexed fingers, deafness and hair and teeth abnormalities.
  • Mohr syndrome: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities.
  • Moloney syndrome: A very rare syndrome characterized mainly by wasting of the choroids in the eye and sparse, fine hair. The choroid is a layer of blood vessels that lies between the retina and the sclera and delivers blood to the back of the eye.
  • Monilethrix: A type of hair shaft abnormality involving constrictions at various points along the hair shaft which gives it a beaded appearance. The severity of the condition is variable.
  • Mouth symptoms: Symptoms of the mouth or oral area.
  • Mowat-Wilson syndrome: A very rare syndrome characterized mainly by mental retardation, a small head, characteristic facial appearance and various other abnormalities.
  • Moynahan syndrome III: A rare syndrome characterized mainly by short stature, defective tooth enamel, clubfoot, skin problems and a variety of other anomalies. Blisters tend to occur during the warmer months of the year.
  • 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.
  • Myocardial infarction: blood supply to part of the heart is interrupted
  • Myotonic Dystrophy: An inherited disorder characterized by progressive muscle weakness and wasting as well as eye defects, heart abnormalities and other anomalies. The severity of the condition is greatly variable. There are two type of myotonic dystrophy with type 1 being more severe than type 2.
  • Myotonic dystrophy, type 2: An inherited disorder characterized by progressive muscle weakness and wasting as well as eye defects, heart abnormalities and other anomalies. The severity of the condition is greatly variable. There are two type of myotonic dystrophy with type 1 being more severe than type 2. Type 2 also tends to affect muscle closer to the trunk e.g. upper leg and shoulders.
  • Myxedema: The most severe form of hypothyroidism characterized by swelling of extremities and face.
  • NISCH syndrome: A rare syndrome characterized by sparse scalp hair, scaly skin and inflammation and fibrosis of the bile ducts.
  • Narrow oral fissure -- short stature -- cone-shaped epiphyses: A very rare syndrome characterized mainly by narrow mouth opening, short stature and abnormal bone development.
  • Nasal hypoplasia, sparse hair, truncal obesity, genital hypoplasia and severe mental retardation: A rare syndrome characterized sparse hair, underdeveloped nose and genitals, severe mental retardation and truncal obesity.
  • Neonatal Progeroid Syndrome: A condition affecting the neonate which causes a more elderly appearance
  • Nerve symptoms: Symptoms affecting the nerves
  • Netherton syndrome ichthyosis: A rare inherited skin disorder characterized by scaly skin which forms in a circular pattern.
  • Neuroectodermal endocrine syndrome: A very rare syndrome characterized mainly by hormonal, hair, skin and brain abnormalities.
  • Neuropathy, Hereditary Sensory, Type IV: A rare disorder characterized mainly by insensitivity to pain and inability to sweat.
  • Nicolaides-Baraitser syndrome: A very rare syndrome characterized mainly by short stature, reduced hair, short fingers, epilepsy and abnormal bone development.
  • Nijemegen Breakage Syndrome:
  • Nijmegen Breakage Syndrome: A very rare syndrome characterized mainly by a small head, reduced immunity and increased risk of cancer. There are a wide range of other abnormalities and symptoms that can occur.
  • Non-scarring alopecia: Nonscarring alopecia refers to hair loss without permanent destruction of the hair follicle.
  • Noonan-like syndrome: A very rare syndrome characterized mainly by heart problems, facial anomalies and a sunken chest.
  • OFD syndrome type 8: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities.
  • OFD syndrome type Figuera: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps, finger abnormalities and absence of all or part of the fibula.
  • OFD syndrome type IX: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger and retinal abnormalities.
  • Oculo tricho dysplasia: A very rare syndrome characterized mainly by eye, tooth and hair abnormalities
  • Oculo-dento-digital dysplasia dominant: A rare disorder characterized by webbing of some fingers, small corneas, enamel abnormalities and slow-growing, dry hair.
  • Oculo-osteo-cutaneous syndrome: A rare syndrome characterized mainly by eye, skeletal and skin abnormalities.
  • Oculodentodigital syndrome: A rare genetic disorder characterized by small eyes, underdeveloped tooth enamel and permanent flexion of one or more finger joints.
  • Oculodentoosseous dysplasia dominant: A very rare dominantly inherited syndrome characterized mainly by eye, tooth and finger abnormalities.
  • Oculodentoosseous dysplasia recessive: A very rare recessively inherited syndrome characterized mainly by eye, tooth and finger abnormalities. The eye abnormalities tend to be more severe than in the dominant form of the disorder.
  • Odonto onycho dysplasia with alopecia: A very rare syndrome characterized mainly by tooth, nail and hair abnormalities.
  • Odontoonychodermal dysplasia: A very rare syndrome characterized mainly by tooth, nail and skin abnormalities.
  • Onychotrichodysplasia and neutropenia: A very rare syndrome characterized mainly by nail, hair and blood abnormalities.
  • Oral facial digital syndrome: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities.
  • Oral facial digital syndrome, type IV: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps, finger abnormalities, brain defects and short stature.
  • Orofaciodigital syndrome Thurston type: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger abnormalities.
  • Orofaciodigital syndrome type 10: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps, finger abnormalities and absence of all or part of the fibula.
  • Orofaciodigital syndrome type1: A rare genetic disorder characterized by variable malformations of the face, digits and inside the mouth. Type 1 is distinguished from the other types of this condition by the presence of polycystic kidneys and a X-linked dominant inheritance.
  • Orofaciodigital syndrome, type 3: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger, teeth and eye abnormalities.
  • Orotic aciduria hereditary: A rare metabolic disorder where an inherited enzyme deficiency (lack of orotidylic pyrophosphorylase and orotidylic decarboxylase or a lack of orotidylic decarboxylase only) impairs the body's ability to break down orotic acid which then builds up in the body and causes damage.
  • PIBIDS syndrome: A rare inherited skin disorder characterized by photosensitivity (P), red, dry, scaly skin (I - ichthyosis), brittle hair (B), impaired physical and mental development (I), decreased fertility (D) and short stature (S). It is the same as IBIDS syndrome but involves photosensitivity.
  • Pachydermoperiostosis: A rare genetic ectodermal disorder characterized by thick coarse skin and limb clubbing.
  • Parry Romberg Syndrome: Wasting away of one side of the face.
  • Patchy hair loss: The occurrence of patchy hair loss
  • Pernicious anemia: A megaloblastic anaemia due to malabsorption of the vitamin B12
  • Picardi-Lassueur-Little syndrome: A very rare disorder characterized by patches of hair loss involving the scalp, armpits, eyebrows and genitals. The hair loss on the scalp is accompanied by scarring of the skin. Hair follicles become eruptive and spiny usually months to years after hair loss.
  • Pili annulati: A rare hair disorder where some or all of the hair shafts have alternating light and dark bands of color along the hair shaft.
  • Pili torti: Twisted fragile hair shaft - usually a genetic condition.
  • Pili torti -- developmental delay -- neurological abnormalities: A very rare syndrome characterized mainly by developmental delay, twisted hair shafts and neurological symptoms.
  • Pili torti -- onychodysplasia: A very rare syndrome characterized mainly by abnormal nails and fragile twisted hair shafts. The condition has been reported in only one family.
  • Pilo dento ungular dysplasia -- microcephaly: A very rare syndrome characterized mainly by hair, tooth and nail abnormalities as well as a small head.
  • Pituitary conditions: Any condition that affects the pituitary
  • Pituitary tumors, adult: A benign or cancer tumor that develops in the tissue of the pituitary gland in adults. The pituitary gland produces various hormones and some pituitary tumors (functioning tumors) can affect the secretion of one or more of these hormones resulting in a range of symptoms depending on the exact location of the tumor. Some pituitary tumors do not affect hormone production (nonfunctioning tumors).
  • Poikiloderma of Rothmund-Thomson: A rare disease which causes sufferers to have a senile-like appearance with skin, growth, hair and eye abnormalities.
  • Polar bear poisoning: Polar bears are often used as a food source by the arctic inhabitants. Eating the liver and kidneys of the polar bear is believed to result in a Vitamin A overdose which can cause serious symptoms and even death in extreme cases. Eating more than 200 grams of Polar bear liver can result in human death however death is considered rare.
  • Pollitt syndrome: A rare condition characterized by brittle hair, mental and growth retardation as well as various other abnormalities. The hair is brittle because due to the reduced amount of sulfur in it and the formation of weak spots (nodes) along it which results in it breaking off easily.
  • Polycystic ovary syndrome: Polycystic ovary syndrome (PCOS) is an endocrine disorder that affects approximately 5% of all women.
  • Polyendocrine deficiency syndrome type 1: Multi-endocrine syndrome commonly affecting children
  • Possible human carcinogenic exposure -- Mitoxantrone: Some evidence indicates that exposure to Mitoxantrone (a chemotherapy drug) has a possible link to an increased risk of developing cancer in humans. The carcinogenicity of the substance may be influenced by the duration and level of exposure.
  • Primerose syndrome: A very rare syndrome characterized mainly by mental retardation, cataracts, muscle disease and calcified ear cartilage. The muscle wasting starts in the lower legs and eventually involves the small hand muscles.
  • Progeria: A rare fatal genetic disorder characterized by extremely premature aging.
  • Progeroid syndrome, neonatal: A rare congenital condition characterized by poor growth, aged facial appearance, and mental retardation. Death occurs usually by 6 years of age.
  • Progressive black carbon hyperpigmentation of infancy: A rare condition characterized by progressive increase in pigmentation of mucosal lining and skin.
  • Progressive kinking of the hair, acquired: A very rare disorder where patches of hair become progressively frizzy and leads to loss of hair. The areas affected are those that correspond to male-pattern balding.
  • Protein deficiency:
  • Pseudoprogeria syndrome: A very rare syndrome characterized mainly by absent eyelashes and eyebrows as well a mental retardation.
  • Psoriasis: Psoriasis is an inflammatory skin condition where the defective immune system causes skin cells to grow rapidly. It affects a significant number of people. Arthritis, which can be severe, is associated with the psoriasis in up to a third of cases. Not all patients who are susceptible to the condition will develop it - roughly 10% of those susceptible will actually develop the condition. There are various environmental factors which can trigger the onset of the disease e.g. strep throat (common trigger), some medication, stress and cold weather. Once the disease develops, it may resolve on its own or with treatment or may become a persistent chronic condition. The severity and duration of symptoms is variable.
  • Pubic hair loss: Loss or thinning of hair in the pubic region
  • Quinquaud's decalvans folliculitis: A form of hair loss involving the gradual destruction and scarring of hair follicles which causes hair loss which spreads outwards from a central point.
  • Radiation sickness: Illness from radiation exposure or cancer radiotherapy.
  • Rajab-Spranger syndrome: A rare syndrome characterized mainly by a skin fat disorder, mental retardation and deafnes.
  • Rapp-Hodgkin syndrome: A rare genetic multi-system disorder characterized by skin, teeth, hair and/or nail abnormalities, reduced ability to sweat and oral clefts.
  • Resistance to thyroid stimulating hormone: A very rare disorder where the body is unable to respond to thyroid stimulating hormone even though it is present in sufficient quantities. The problem lies in defective thyroid stimulating hormone receptors.
  • Retinopathy -- anaemia- CNS anomalies: A very rare syndrome characterized mainly by disease of the eye retinas, anemia and central nervous system anomalies.
  • Retinopathy -- anemia -- CNS anomalies:
  • Reversible alopecia: Reversible alopecia refers to hair loss that is not permanent.
  • Revesz Debuse syndrome: A very rare syndrome characterized mainly by disease of the eye retinas, anemia and central nervous system anomalies.
  • Revesz Syndrome: A very rare syndrome characterized mainly by disease of the eye retinas, anemia and central nervous system anomalies.
  • Reynolds-Neri-Hermann syndrome: A very rare syndrome characterized mainly by heart defects, large head, developmental problems and facial and skin anomalies.
  • Rhizomelic syndrome: A very rare syndrome characterized mainly by short upper arm and thigh bones. Death frequently occurs in early childhood.
  • Rieger anomaly -- partial lipodystrophy: A very rare disorder characterized by short stature, low birth weight and loss of skin fat. SHORT is an acronym for short stature, hyperextensible joints and/or hernia, ocular depression, Reiger anomaly and teething delay. Additional symptoms are also variably present.
  • Ringed seal poisoning: The Ringed seal is often used as a food source by the arctic inhabitants. Eating the liver of the ringed seal can result in a Vitamin A overdose which can cause serious symptoms and even death in extreme cases.
  • Roberts Pseudothalidomide Syndrome:
  • Roberts-SC Phocomelia: A rare genetic disorder characterized by limb deformities, midfacial defects and severe growth deficiency.
  • Rodrigues blindness: A rare disorder characterized by severe eye malformations, short stature and hair and dental anomalies.
  • Rombo syndrome: A very rare syndrome characterized mainly by hair anomalies and skin problems.
  • Rothmund-Thomson Syndrome: A syndrome which is characterized by atrophy, pigmentation and telangiectasia of the skin.
  • SCARF syndrome: A rare syndrome characterized mainly by skeletal abnormalities, loose skin, premature fusion of skull bones, ambiguous genitalia, psychomotor retardation and facial abnormalities.
  • SHORT Syndrome: A very rare disorder characterized by short stature, low birth weight and loss of skin fat. SHORT is an acronym for short stature, hyperextensible joints and/or hernia, ocular depression, Reiger anomaly and teething delay.
  • Sabouraud syndrome: A rare inherited disorder involving thin, dry, brittle hair which has a tendency to break off easily.
  • Salti-Salem syndrome: A very rare syndrome characterized by partial alopecia and lack of secondary sex hormone production.
  • Scalp defects -- postaxial polydactyly: A very rare syndrome characterized mainly by scalp defects and extra fingers and toes.
  • Scalp symptoms: Symptoms of the scalp on the head
  • Scarring alopecia: Scarring alopecia refers to permanent hair loss due to a disorder that causes damage and permanent scarring of the hair follicles.
  • Schafer syndrome: A disorder characterized mainly by thickened skin on the palms and soles, white patches in mouth, mental and growth retardation and hair, nail and eye abnormalities.
  • Schlegelberger-Grote syndrome: A very rare syndrome characterized mainly by deafness, fingerlike thumbs and a blood disorder involving abnormally shaped blood platelets.
  • Schopf-Schulz-Passarge syndrome: A rare syndrome characterized by thickened skin on palms and soles, missing teeth, sparse hair and eyelid cysts.
  • Seckel syndrome: A rare condition characterized by fetal and postnatal growth retardation, mental retardation and characteristic facial features.
  • Seckel-like syndrome, type Buebel: A rare syndrome characterized by dwarfism and other abnormalities characteristic of Seckel syndrome as well as hand and foot anomalies.
  • Secondary syphilis: A condition which is characterized by fever, multiform skin eruptions, iritis, alopecia, mucous patches and severe pain in the head and joints
  • Selenium -- overuse: Excessive use of selenium can case various adverse symptoms.
  • Selenium poisoning: Excessive exposure to selenium. Selenium is essential to the diet in small amounts but is toxic in large amounts. Poisoning can occur through inhalation or ingestion.
  • Senter syndrome: A rare genetic ectodermal disorder characterized by ichthyosiform erythroderma and sensorineural deafness.
  • Sequeiros-Sack syndrome: A very rare syndrome characterized mainly by nail abnormality, thin skin and sparse scalp hair.
  • Sheehan Syndrome: A rare condition that occurs in women who suffer a severe uterine hemorrhage during childbirth. The resulting blood loss may damage the pituitary gland and result in hypopituitarism.
  • Short limbs subluxed knees cleft palate: A rare syndrome characterized mainly by short limbs, partially dislocated knees and a cleft palate.
  • Siemens syndrome: A rare inherited skin disorder where the skin around hair follicles becomes stiffened and the resulting scarring causes hair loss.
  • Skeletal dysplasia -- orofacial anomalies: A very rare disorder characterized mainly by face, mouth and skeletal abnormalities.
  • Skin conditions: Any condition that affects the skin
  • Skin symptoms: Symptoms affecting the skin.
  • Sparse hair -- ptosis -- mental retardation: A very rare syndrome characterized mainly by sparse hair, droopy eyelids and mental retardation.
  • Sparse hair -- short stature -- skin anomalies: A rare syndrome characterized mainly by sparse hair, short stature and skin anomalies.
  • Spastic paraplegia -- neuropathy -- poikiloderma: A very rare syndrome characterized mainly by progressive stiffness and weakness of the legs, peripheral nerve degeneration and a skin disorder called poikiloderma. The eyelashes and eyebrows are usually gone by the age of three.
  • Spondyloepimetaphyseal dysplasia, hypotrichosis: An inherited bone growth disorder characterized by short stature, bone abnormalities and vision problems. An additional feature of this condition is the reduced amount of hair (hypotrichosis). The bone abnormalities are due to a genetic mutation that affects the development of bone and connective tissue.
  • Steroid abuse: Steroids are man-made chemicals that can be used to promote muscle development and increase male sexual characteristics. Steroids are a prescription drug usually used to treat disorders such as delayed puberty and body wasting in AIDS patients. Excessive or improper use of steroids usually occurs in athletes and can result in a range of unwanted symptoms.
  • Stroke symptoms: Brain-related symptoms of bleeding or blockage.
  • Sub clinical hypothyroidism: Sub clinical hypothyroidism, also referred to as mild hypothyroidism, is defined as normal serum free T4 levels with slightly high serum TSH concentration.
  • Sugarman syndrome: A rare genetic disorder characterized by oral frenula, oral clefts, underdeveloped nose flaps and finger, teeth and eye abnormalities.
  • 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.
  • Systemic Lupus Erythematosus with Hemolytic Anemia, Susceptibility to, 1: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE and hemolytic anemia - the anemia often occurs months or even years before symptoms of SLE develop. Type 1 is linked to a defect on chromosome 11q14.
  • Systemic Lupus Erythematosus with Nephritis, Susceptibility to, 1: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE and nephritis. More than half of SLE patients will develop nephritis. Type 1 is linked to a defect on chromosome 10q22.3.
  • Systemic Lupus Erythematosus with Vitiligo, Susceptibility to, 1: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE and vitiligo. Type 1 is linked to a defect on chromosome 17p13.
  • Systemic Lupus Erythematosus, Susceptibility to, 1: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 1 is linked to a defect on chromosome 1q41.
  • Systemic Lupus Erythematosus, Susceptibility to, 10: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 10 is linked to a defect on chromosome 7q32.
  • Systemic Lupus Erythematosus, Susceptibility to, 11: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 11 is linked to a defect on chromosome 2q32.2-q32.3.
  • Systemic Lupus Erythematosus, Susceptibility to, 12: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 12 is linked to a defect on chromosome 8p23.1.
  • Systemic Lupus Erythematosus, Susceptibility to, 13: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 13 is linked to a defect on chromosome 6p23.
  • Systemic Lupus Erythematosus, Susceptibility to, 2: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 2 is linked to a defect on chromosome 2q37.3.
  • Systemic Lupus Erythematosus, Susceptibility to, 3: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 3 is linked to a defect on chromosome 4p16-p15.2.
  • Systemic Lupus Erythematosus, Susceptibility to, 4: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 4 is linked to a defect on chromosome 12q24.
  • Systemic Lupus Erythematosus, Susceptibility to, 5: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 5 is linked to a defect on chromosome 13q32.
  • Systemic Lupus Erythematosus, Susceptibility to, 6: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 6 is linked to a defect on chromosome 16p11.2.
  • Systemic Lupus Erythematosus, Susceptibility to, 7: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 7 is linked to a defect on chromosome 20p12.
  • Systemic Lupus Erythematosus, Susceptibility to, 8: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 8 is linked to a defect on chromosome 20q13.1.
  • Systemic Lupus Erythematosus, Susceptibility to, 9: Systemic Lupus Erythematosus is an autoimmune disease affecting mostly women and causing various effects throughout different parts of the body. Its severity can range from very mild to extremely serious depending on which body organs are afflicted. Researchers have discovered a number of genes linked to an increased susceptibility of developing SLE. Type 9 is linked to a defect on chromosome 1q32.
  • Systemic lupus erythematosus: chronic autoimmune disease that can be fatal, though with recent medical advances, fatalities are becoming increasingly rare.
  • Taurodontia -- absent teeth -- sparse hair: A very rare syndrome characterized mainly by missing teeth, large tooth pulp chambers and sparse hair.
  • Teebi-Shaltout syndrome: A very rare syndrome characterized by various facial and head abnormalities.
  • Temporary hair loss: The temporary loss of ones hair
  • Tetra-amelia with ectodermal dysplasia and lacrimal duct abnormalities: A rare disorder involving tear duct abnormalities, missing arms and legs, retarded development and an unusual facial appearance.
  • Tetramelic deficiencies -- Ectodermal dysplasia -- deformed ears -- other abnormalities: An extremely rare syndrome characterized by tooth, hair and limb abnormalities. The abnormalities can be quite severe in some cases. The parents may have been related in the reported cases.
  • Thallium poisoning: The poisoning of a person with the element thallium
  • The Congenital Lactic Acidoses: A condition which is characterized by congenital lactic acidoses
  • Thin hair: Normal hair fall is approximately 100-125 hair per day. True hair loss occurs when lost hairs are not regrown or when the daily hair shed exceeds 125 hairs
  • Thinning hair: A condition which is characterized by a decease in the amount of hair
  • Thrombocytopenia -- Robin sequence: A very rare syndrome characterized by a variety of abnormalities such as short stature, unusual hair, reduced blood platelets, heart defects and tooth enamel anomaly.
  • Thumb deformity, alopecia, pigmentation anomaly: A very rare syndrome characterized mainly by a deformed thumb, lack of hair and abnormal pigmentation.
  • Thyroid disease: Any medical condition which affects the thyroid
  • Thyroid disorders: Any medical condition which affects the thyroid
  • Thyrotoxicosis: hypermetabolic clinical syndrome resulting from serum elevations in thyroid hormone levels, specifically free thyroxine (T4), triiodothyronine (T3), or both.
  • Tinea capitis: A condition which is characterized by tinea of the scalp
  • Tooth and nail syndrome: A genetic condition which affects the teeth and nails
  • Total Hypotrichosis, Mari type: A rare inherited form of congenital alopecia (hair loss). It occurs primarily in the Mari population in a part of Russia.
  • Toxic epidermal necrolysis: A skin condition causing widespread blisters to erupt over greater than 30% of the body.
  • Tricho odonto onycho dermal syndrome: A very rare syndrome characterized by hair, tooth, nail and skin abnormalities.
  • Tricho-odonto-onychial dysplasia: A very rare syndrome characterized by abnormal skull calcification, reduced scalp hair and nail and tooth enamel abnormalities.
  • Tricho-onychic dysplasia: A rare genetic syndrome characterized by hair and nail abnormalities.
  • Trichodermodysplasia -- dental alterations: A rare syndrome characterized mainly by hair, skin and tooth abnormalities.
  • Trichodysplasia xeroderma: A rare disorder involving the skin and hair.
  • Trichomegaly -- tapetoretinal degeneration -- growth disturbance syndrome: A syndrome characterized by hair abnormalities and growth and eye problems.
  • Trichorhinophalangeal Syndrome Type I:
  • Trichorhinophalangeal Syndrome Type II:
  • Trichorhinophalangeal syndrome type 1: A rare genetic disorder characterized by bulbous nose, sparse hair and coning of epiphyses.
  • Trichorhinophalangeal syndrome type 2: A rare genetic disorder characterized by bony growths, bulbous nose, distinctive facial features and loose excess skin during infancy.
  • Trichorrhexis nodosa syndrome: A rare condition characterized by brittle hair, mental and growth retardation as well as various other abnormalities. The hair is brittle because due to the reduced amount of sulfur in it and the formation of weak spots (nodes) along it which results in it breaking off easily.
  • Trichothiodystrophy -- sun sensitivity: A rare condition characterized by short brittle hair
  • Trichothiodystrophy, type C: A rare condition characterized by brittle hair, mental and growth retardation as well as various other abnormalities. The hair is brittle because due to the reduced amount of sulfur in it and the formation of weak spots (nodes) along it which results in it breaking off easily.
  • Trichothiodystrophy-neurocutaneous Syndrome: A rare condition characterized by brittle hair, mental and growth retardation as well as various other abnormalities. The hair is brittle because due to the reduced amount of sulfur in it and the formation of weak spots (nodes) along it which results in it breaking off easily.
  • Trichothiodystrophy-neurotrichocutaneous Syndrome of Pollitt: A rare condition characterized by brittle hair, mental and growth retardation as well as various other abnormalities. The hair is brittle because due to the reduced amount of sulfur in it and the formation of weak spots (nodes) along it which results in it breaking off easily.
  • Trichotillomania: Compulsive urge to pull out one's own hair.
  • Uncombable hair syndrome: A syndrome which is characterised by an abnormality in the structure of hair resulting in it being uncombable
  • Universal Acquired Melanosis: A rare condition characterized by progressive increase in pigmentation of mucosal lining and skin.
  • Unusual facies and autosomal dominant hypohidrotic ectodermal dysplasia: A rare syndrome characterized mainly by an unusual facial appearance and hair, nail, teeth and sweating abnormalities.
  • Unusual facies and autosomal recessive hypohidrotic ectodermal dysplasia: A rare syndrome characterized mainly by hair, teeth and skin anomalies.
  • Valproic Acid -- Teratogenic Agent: There is evidence to indicate that exposure to Valproic Acid 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.
  • Van Wyk-Grumbach syndrome: A condition involving premature menstruation and abnormal milk production in children who suffer from severe hypothyroidism.
  • Varadi Papp syndrome: A syndrome characterised by deformities of the oral-facial-digital areas
  • Vasculitis: A condition which is characterized by inflammation to blood vessels

Conditions listing medical symptoms: Hair loss:

The following list of conditions have 'Hair 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: Hair loss:

The following list of medical conditions have 'Hair loss' or similar listed as a medical complication in our database.
Last revision: Nov 26, 2003

 

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