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Symptom Checker » Yellow stained teeth in children » Personality symptoms
 

Yellow stained teeth in children and Personality symptoms
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Results: Causes of Yellow stained teeth in children AND Personality symptoms

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Results: 3896 causes of Yellow stained teeth in children OR Personality symptoms

    1. 10q Partial Trisomy
     A very rare genetic disorder characterized by the duplication of genetic material from the long arm (q) of chromosome 10 - the genetic material occurs three times in body cells instead of the normal two. The type and severity of symptoms may vary consider...more »
    2. 14q+ syndrome
     A rare chromosomal disorder involving duplication of genetic material from the long arm (q) of chromosome 14 resulting in various abnormalities....more »
    3. 18p minus syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing which is characterized by mental and growth deficiencies, drooping upper eyelid and prominent ears. The type and severity of symptoms is determined by the amount of genetic material t...more »
    4. 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....more »
    5. 2-Hydroxyglutaricaciduria
     A rare metabolic disorder characterized by high levels of a certain chemical (2-Hydroxyglutaric) which causes a serious progressive neurological disease and damage to the brain. The features of this disorder are variable and some cases are milder than oth...more »
    6. 2-Methylbutyric Aciduria
     A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbu...more »
    7. 2-methylbutyryl-coenzyme A dehydrogenase deficiency
     A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbu...more »
    8. 22q11.2 deletion syndrome
     A rare genetic disorder caused by the absence of a small portion of genetic material. A small section of chromosome 22 is missing at a location called q11.2. Chromosome 22 is one of 23 pairs of chromosomes that exist in humans....more »
    9. 2p21 deletion syndrome
     This syndrome is a more severe form hypotonia-cystinuria syndrome as a larger portion of genetic material from chromosome 2p21 is deleted. It is characterized by infant seizures, reduced muscle tone, developmental delay, lactic acidosis and unusual facial...more »
    10. 2q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    11. 3 alpha methylglutaconicaciduria, type 3
     A rare genetic condition where a gene mutation prevents the production of certain protein which leads to a build-up of an acid (3-methylglutaconic acid) which can have a negative impact on the body. The condition is characterized mainly by damage to the o...more »
    12. 3-methylglutaconic aciduria, type V
     A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid....more »
    13. 3C syndrome
     A rare disorder characterized by cardiac malformations, cerebellar hypoplasia and cranial dysmorphism which gives the disease it's name....more »
    14. 3q deletion
     A rare chromosomal disorder where part of the long arm (q) of chromosome 3 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    15. 4-Alpha-hydroxyphenylpyruvate hydroxylase deficiency
     A very rare metabolic disorder where a deficiency of a particular enzyme results in the urinary excretion of a chemical called hawkinsin. Symptoms start once the infant is weaned off breast milk....more »
    16. 4-hydroxyphenylacetic aciduria
     A urinary abnormality usually caused by the deficiency of a particular enzyme (4-hydroxyphenylpyruvic acid oxidase). The urine contains excess 4-hydroxyphenylacetic acid....more »
    17. 46,XX chromosome 7 deletion p13
     A chromosomal disorder where a small portion of chromosome 7 is deleted which results in a range of abnormalities....more »
    18. 47,XXX syndrome
     A genetic condition where females have an extra X chromosome in each of their cells. Normally female cells have two X chromosomes. This is not usually an inherited condition but a defect that occurs during cell division. Often the condition is asymptomati...more »
    19. 49,XXXXY syndrome
     A rare sex chromosome abnormality where there are three extra copies of the X chromosome....more »
    20. ACTH Deficiency
     A rare endocrine disorder involving a lack of ACTH (adrenocorticotropic hormone) and low levels of cortisol and steroid hormones....more »
    21. ADHD
     Attention Deficit Hyperactivity Disorder (ADHD) is a mental and behavioral disorder characterized by behavioral problems such as hyperactivity, inattention, concentration difficulty, and other mental symptoms. Typically, ADHD and associated hyperac...more »
    22. AIDS Dementia Complex
     A brain disorder that occurs in AIDS patients....more »
    23. AIDS-Related Opportunistic Infections
     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 th...more »
    24. ARCA
     A group of recessively inherited neurological disorders characterized mainly by cerebellar ataxia and usually with other additional abnormalities....more »
    25. ATR-X syndrome
     A rare X-linked disorder that affects males and is characterized by mental retardation and alpha thalassemia....more »
    26. ATR16
     A rare disorder characterized by alpha thalassemia and mental retardation....more »
    27. Aarskog Syndrome
     A rare genetic condition characterized by facial, hand, genital and growth abnormalities....more »
    28. Absence of septum pellucidum and septo-optic dysplasia
     A rare birth defect where a thin membrane in the middle of the brain is missing. This brain abnormality is never present on it's own but is a characteristic of septo-optic dysplasia where the patient also has optic disk abnormalities and pituitary deficie...more »
    29. Absence of septum pellucidum with porencephalia syndrome
     A rare syndrome present at birth and characterized by the absence of the thin membrane in the middle of the brain (septum pellucidum) as well as abnormal cavities in the brain (porencephaly). The syndrome also involves other structural brain abnormalities...more »
    30. Absent corpus callosum -- cataract -- immunodeficiency
     A rare syndrome characterized by immunodeficiency, cleft lip or palate, cataract, reduced pigmentation and brain abnormalities....more »
    31. Absent patellae -- scrotal hypoplasia -- renal anomalies -- facial dysmorphism -- mental retardation
     A rare syndrome characterized by absent kneecaps, underdeveloped scrotum, kidney anomalies, unusual facial appearance and mental retardation....more »
    32. Acanthamoeba infection
     Infection with a microscopic, free-living ameba that is readily found in the environment - soil, air and water. Most people exposed to the ameba will not become infected but when infections do occur, they tend to affect the eyes, central nervous system or...more »
    33. Acanthamoeba infection of the central nervous system
     Infection by an amoebic organism called Acanthamoeba. Infection usually occurs when the amoeba enters through a break in the skin or through the nose. Infection can be localized or systemic where it can involve the central nervous system and cause potenti...more »
    34. Acanthocytosis
     A rare disorder where most of the red blood cells are abnormal with spiny projections due to lipid abnormalities. The blood abnormality is seen in conditions such as abetalipoproteinemia, severe liver disease and severe malnutrition. Symptoms and prognosi...more »
    35. Acarophobia
     An exaggerated or irrational fear of mites, ticks, small insects and worms....more »
    36. Accelerated hypertension
     Accelerated hypertension is a condition characterized by a rapid increase in blood pressure. The condition is a medical emergency which can cause organ damage if not treated promptly....more »
    37. Accutane -- Teratogenic Agent
     There is strong evidence to indicate that the use of Accutane 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 exp...more »
    38. Aceruloplasminemia
     A rare, recessively inherited neurodegenerative disorder characterized by a lack of ceruloplasmin in the blood. The lack of ceruloplasmin results in abnormal iron use in the body and leads to iron deposits in various body tissues such as the brain, pancre...more »
    39. Achluophobia
     An exaggerated or irrational fear of the night or darkness....more »
    40. Achondroplasia
     A disorder characterized by problems with bone growth....more »
    41. Achrestic anemia
     Achrestic anemia is a form of anemia similar to that caused by Vitamin B12 deficiency but it doesn't respond to treatment with Vitamin B12. The condition tends to progress slowly and can result in death if not treated. There are a variety of possible caus...more »
    42. Achromatopsia
     Patients who have achromatopsia (sometimes called achromatopia) do not have normal "cone vision.". Although the term may refer to acquired disorders such as color agnosia and cerebral achromatopsia, it typically refers to an autosomal recessive congenital...more »
    43. Acid phosphatase deficiency
     A group of inherited metabolic bone disorders varying in degree of severity and characterized a deficiency of alkaline phosphate which affects bone mineralization....more »
    44. Acid-Base Imbalance
     A disruption to the normal acid-base equilibrium in the body. There are four main groups of disorder involving an acid-base imbalance: respiratory acidosis or alkalosis and metabolic acidosis or alkalosis. Obviously the severity of symptoms is determined ...more »
    45. Acidemia, methylmalonic
     An inborn error of metabolism where amino acids in the body aren't metabolized properly resulting in high levels of the acid throughout the body....more »
    46. Acidemia, propionic
     An inherited genetic disorder where the body is incapable of processing some proteins and fats resulting in the accumulation of certain substances in the body which causes the symptoms of the condition. The condition can be life threatening....more »
    47. Acne
     Pimples and blackheads on the face and skin....more »
    48. Acousticophobia
     An exaggerated or irrational fear of noise....more »
    49. Acrocallosal Syndrome (Schinzel Type)
     A rare condition characterized by absence of portion of the brain (corpus callosum), mental deficiency, duplicated toes, mental deficiency and other abnormalities....more »
    50. Acrocephalopolydactyly II
     A rare genetic disorder characterized by head, hand and genital anomalies as well as mental retardation....more »
    51. Acrocephaly -- pulmonary stenosis -- mental retardation
     A rare syndrome characterized by a pointy skull, narrowed pulmonary valve and mental retardation....more »
    52. Acrofacial dysostosis Catania form
     One of a group of disorders characterized by defective limb and facial development. The Catania form is very rare....more »
    53. Acrofrontofacionasal dysostosis syndrome
     A very rare syndrome characterized by abnormalities of the bones of the skeleton as well as mental retardation. Various facial, eye and urogenital anomalies are also present....more »
    54. Acromelic frontonasal dysplasia
     A very rare genetic malformation syndrome characterized by developmental abnormalities of the face and brain....more »
    55. Acromesomelic dysplasia Hunter Thompson type
     A rare genetic syndrome characterized by various severe developmental abnormalities of the skeletal bones....more »
    56. Acropectorovertebral dysplasia
     A rare inherited genetic disorder characterized by abnormalities involving the fingers, toes, palate and chest bones....more »
    57. Acrosphenosyndactylia
     A rare condition characterized by abnormalities in the appearance of the face and head as well as finger and toe abnormalities. The bones of the skull fuse together too early which prevents it from growing normally. Various toes and fingers may be fused t...more »
    58. Acute Bokhoror
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    59. Acute Chemical poisoning -- Varnish makers' and painters' Naptha
     Varnish makers' and painters' Naptha is an ingredient used in certain pesticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acut...more »
    60. Acute Pesticide poisoning -- Triforine
     Triforine is an ingredient used in certain herbicides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a expos...more »
    61. Acute Pesticide poisoning -- xylene
     Xylene is an ingredient used in certain insecticides. Exposure to the chemical can cause a range of symptoms depending on the level and route of exposure. Exposure can occur through inhalation, ingestion, the skin or eyes. Acute exposure involves a exposu...more »
    62. Acute VE
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    63. Acute Viliuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    64. Acute Viliuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    65. Acute Vilyuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    66. Acute Vilyuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    67. Acute fulminant multiple sclerosis
     Malignant Multiple Sclerosis, is a particularly aggressive form of the disease. Thankfully very rare, this highly aggressive form is defined by its swift and relentless decline to significant disability or even death, often within a few weeks or months af...more »
    68. Acute headache
     Headache, or cephalgia, is defined as diffuse pain in various parts of the head, with the pain not confined to the area of distribution of a nerve....more »
    69. Acute insomnia
     Insomnia which lasts for one night to a few weeks....more »
    70. Acute intermittent porphyria
     A rare metabolic disorder characterized by a deficiency in the porphobilinogen deaminase enzyme which results in a build-up of porphyrins or its precursors in the body. Using certain drugs or eating certain foods can trigger the symptoms of the condition....more »
    71. Acute leukaemia of ambiguous lineage
     A term used to describe a type of leukemia (a blood cancer) where the leukemic cells cannot be determined as myeloid or lymphoid or where both types of cells are present....more »
    72. Acute megacaryoblastic leukemia
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. More specifically, it involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes)....more »
    73. Acute meningitis
     Acute meningitis is an inflammation of the brain that presents in an acute fashion. The inflammation may be the result of infective agents such as bacteria, viruses and fungi as well as non-infective agents such as certain drugs. Acute forms of meningitis...more »
    74. Acute mountain sickness
     A condition that occurs when an un-acclimatized person climbs to high altitudes....more »
    75. Acute myeloblastic leukemia type 1
     A form of blood cancer resulting in the rapid proliferation of immature blood cells (blast cells)....more »
    76. Acute myeloblastic leukemia type 2
     A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes....more »
    77. Acute myeloblastic leukemia type 3
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 3 involves the proliferation of promyelocytes....more »
    78. Acute myeloblastic leukemia type 4
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 4 involves the rapid proliferation of myelocytes and monocytes....more »
    79. Acute myeloblastic leukemia type 5
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 5 involves the rapid proliferation of monoblasts (immature precursors of monocytes) in particular....more »
    80. Acute myeloblastic leukemia type 6
     A rare form of malignant bone marrow cancer involving the rapid proliferation of immature precursors of blood cells. Type 6 involves the proliferation of the immature precursors of red blood cells called erythroblasts....more »
    81. Acute myeloblastic leukemia type 7
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of blood cells. Type 7 involves the rapid proliferation of megakaryoblasts (premature form of megakaryocytes) in particular....more »
    82. Acute myelocytic leukemia
     A cancer of the blood-forming tissues of the bone marrow involving the proliferation of cells that normally develop into infection-fighting cells such as eosinophils, monocytes, basophils and neutrophils. The cancerous cells replace the normal bone marrow...more »
    83. Acute myeloid leukaemia and myelodysplastic syndromes related to alkylating agent
     The use of alkylating agents to treat cancer can result in leukemia in some patients....more »
    84. Acute myeloid leukaemia and myelodysplastic syndromes related to topoisomerase type II inhibitor
     The use of topoisomerase type II inhibitors to treat cancer can result in leukemia in some patients....more »
    85. Acute myeloid leukaemia and myelodysplastic syndromes, therapy related
     Certain cancer therapies can result in the development of leukemia in some patients. These therapies includes topoisomerase type II inhibitors and alkylating agents....more »
    86. Acute myeloid leukemia
     A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets....more »
    87. Acute myeloid leukemia, adult
     A form of blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets....more »
    88. Acute non lymphoblastic leukemia
     A form of rapidly progressing blood cancer resulting in the rapid proliferation of granulocytes and monocytes, red blood cells and platelets. It is one of the most common forms of leukemia in adults but can occur in children....more »
    89. Acute stress disorder
     An acute anxiety state...more »
    90. Acute vitamin A toxicity
     Acute ingestion of vitamin A can cause symptoms. Symptoms usually only last for a day or two....more »
    91. Addiction
     Any of various addictions to substances or activities....more »
    92. Addison's Disease
     A rare progressive hormonal disorder characterized by insufficient production of certain hormones called adrenal corticosteroids....more »
    93. Adducted thumb syndrome recessive form
     A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities....more »
    94. Adducted thumbs -- arthrogryposis, Christian type
     A rare recessively inherited disorder characterized mainly by a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities....more »
    95. Adducted thumbs Dundar type
     A rare disorder characterized by a thumb abnormality as well as mental retardation, foot defects and other anomalies....more »
    96. Adenophorea Infections
     A parasitic roundworm infection. Roundworms can be found in water and soil environments as well as on plants and in animals....more »
    97. Adenosine triphosphatase deficiency, anaemia due to
     Deficiency of a chemical (adenosine triphosphate) resulting in anemia....more »
    98. Adhesive abuse
     Adhesive abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Adhesives include household glues, rubber ce...more »
    99. Adhesive addiction
     Adhesive addiction refers to the compulsive need to abuse adhesives (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols ...more »
    100. Adolescent depression
     It isnot unusual for young people to experience "the blues" or feel low occasionally. Adolescence is always an unsettling time, with the many physical, emotional, psychological and social changes that accompany this stage of life....more »
    101. 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 ho...more »
    102. Adrenal Cortex Diseases
     Diseases of the adrenal cortex. Examples includes Addison's disease, Cushing's syndrome and adrenal fatigue....more »
    103. 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...more »
    104. 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 hormon...more »
    105. 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...more »
    106. Adrenal gland hypofunction
     Reduced adrenal gland activity due to damage to the adrenal gland or lack of stimulation of the gland. Pituitary hormones stimulate adrenal gland activity....more »
    107. Adrenal hyperplasia
     A group of disorder that occur when there is a problem in the process of making adrenal corticosteroids....more »
    108. Adrenal hypertension
     Adrenal hypertension is high blood pressure caused by adrenal gland problems. For example, an adrenal tumor can cause excessive production of aldosterone which in turn causes salt-retention and high blood pressure. Severity of symptoms varies depending on...more »
    109. Adrenal hypofunction
     A condition which is characterized by a lack of production of hormones from the adrenal gland....more »
    110. 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 t...more »
    111. Adrenal medulla neoplasm
     A tumor that develops in the part of the adrenal gland called the medulla which produces adrenalin and noradrenaline. The tumor is usually benign but can be malignant....more »
    112. Adrenocortical carcinoma
     A condition which is characterized by malignancy which affects the adrenocortex....more »
    113. Adrenoleukodystrophy
     A rare disorder which has characteristic symptoms of Addison disease (adrenocortical insufficiency) and Schilder disease (cerebral sclerosis). Bronze skin, brain sclerosis and demyelination are the main symptoms....more »
    114. Adrenoleukodystrophy, autosomal, neonatal form
     A rare inherited disorder involving the adrenal glands, testes and certain parts of the brain (white matter). It is a less severe form of leukodystrophy where an abnormality within the body cells prevents the metabolism of certain fats (long chain fatty a...more »
    115. Adult ADD
    116. Adult ADHD
    117. Adult Panic-Anxiety Syndrome
     A psychiatric disorder involving anxiety and panic attacks that occur for no obvious reason....more »
    118. Adult Polyglucosan Body Disease
     A condition which is a glycogen storage disease causing hepatosplenomegaly and failure to thrive...more »
    119. Adverse reaction to chemical -- 1-Propanol
     1-Propanol is a chemical used in various antiseptics, polishes, cleaners, cosmetics and lacquer. Some people can suffer an adverse reaction to the chemical which mainly involves irritation to the part of the body exposed to the chemical - eyes, skin and g...more »
    120. Aelurophobia
     An exaggerated or irrational fear of cats....more »
    121. Aerophobia
     An exaggerated or irrational fear of fresh air, breezes and flying....more »
    122. Aerosol abuse
     Aerosol abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Aerosols include air fresheners, hair spray, ...more »
    123. Aerosol addiction
     Aerosol addiction refers to the compulsive need to abuse aerosol (e.g. sniffing them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Aerosols are...more »
    124. Affective Disorders, Psychotic
     A mental disorder involving mood disturbance and psychotic symptoms....more »
    125. African Sleeping sickness
     Fly-borne African parasitic disease....more »
    126. Agenesis of the corpus callosum -- mental retardation -- coloboma -- micrognathia
     A rare inherited disorder characterized by mental retardation, coloboma, small jaw and a brain anomaly....more »
    127. Aging
     The medical conditions from getting older....more »
    128. Aging brain syndrome
     Aging processes in the brain can cause various psychological and neurological symptoms....more »
    129. Agnosia
     Agnosia is a loss of ability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss....more »
    130. Aguecheek disease
     Patients with liver disease who develop symptoms of dementia after eating lots of protein (meat has a high protein level) due to an intolerance to the nitrogenous compounds in the protein....more »
    131. Agyria pachygyria polymicrogyria
     A very rare disorder characterized by abnormal brain development....more »
    132. Agyria-pachygyria type 1
     Abnormal brain development where the brain fails to develop normally during the fetal stage....more »
    133. Agyrophobia
     An exaggerated or irrational fear of crossing roads. It includes a fear of being attacked on the street or being unable to defend oneself while crossing the road....more »
    134. Aicardi syndrome
     A rare genetic disorder where the structure connecting the two halves of the brain fails to develop which results in seizures and eye abnormalities ....more »
    135. Aicardi-Goutieres syndrome
     A rare inherited progressive disease that affects the brain and immune system....more »
    136. Aicardi-Goutieres syndrome 1
     A rare inherited progressive disease that affects the brain and immune system. Type 1 is caused by a defect on chromosome 3p21.3-p21.2....more »
    137. Aicardi-Goutieres syndrome 2
     A rare inherited progressive disease that affects the brain and immune system. Type 2 is caused by a defect on chromosome 13q14-q21....more »
    138. Aicardi-Goutieres syndrome 3
     A rare inherited progressive disease that affects the brain and immune system. Type 3 is caused by a defect on chromosome 11q13.2....more »
    139. Aicardi-Goutieres syndrome 4
     A rare inherited progressive disease that affects the brain and immune system. Type 4 is caused by a defect on chromosome 19p13.13....more »
    140. Aicardi-Goutieres syndrome 5
     A rare inherited progressive disease that affects the brain and immune system. Type 5 is caused by a defect on chromosome 3p21.3-p21.2....more »
    141. Aichmophobia
     An exaggerated or irrational fear of pointy objects or needles....more »
    142. Air embolism
     A condition which is characterized by air bubbles entering the circulation usually due to trauma, decompression sickness or surgery....more »
    143. Akathisia
     Specific type of feeling of restlessness or anxiety (usually from medications)...more »
    144. Akesson syndrome
     A very rare syndrome characterized by excessive skin folds and furrows on the scalp, mental retardation the failure of the thyroid to develop....more »
    145. Al Gazali Aziz Salem syndrome
     A rare syndrome characterized mainly by heart disease, short stature and a webbed neck....more »
    146. Al Gazali Sabrinathan Nair syndrome
     A very rare syndrome characterized by bone and eye problems, seizures and mental retardation....more »
    147. Al Murrah-induced lead poisoning
     Al Murrah is a folk remedy used mainly by Saudi Arabian people to treat problems such as stomach pain, diarrhea and colic. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible...more »
    148. Alagille Syndrome
     A genetic disorder affecting the liver and characterized by the absence of some or all of the liver bile ducts that transport bile within the liver....more »
    149. Alarcon-induced lead poisoning
     Alarcon is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susc...more »
    150. Albayaidle-induced lead poisoning
     Albayaidle is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due ...more »
    151. Albayalde-induced lead poisoning
     Albayalde is a folk remedy used mainly by Mexican and Central American people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due t...more »
    152. Albers-Schonberg disease -- malignant recessive form
     A rare disorder characterized primarily by increased bone density as old bone is not resorbed and replaced with new bone - is also known as marble bone disease. The malignant infantile form is the most severe form of this disorder and death usually occurs...more »
    153. Albright's hereditary osteodystrophy
     A rare genetic disorder where the body fails to recognize and respond to the parathyroid hormone. The parathyroid hormone is involved in controlling the blood levels of calcium and phosphate....more »
    154. Alcohol Withdrawal
     Symptoms that occur when alcohol consumption is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    155. Alcohol abuse
     Excessive use of alcohol ranging from binge drinking to severe alcoholism...more »
    156. Alcohol antenatal infection
    157. Alcohol drinking
     The consumption of a drink containing alcohol. Alcohol consumption can cause varying degrees of impairment depending on the amount consumed. Consuming very large amounts of alcohol can lead to death....more »
    158. Alcohol-Induced Disorders
     Disorders caused by excessive alcohol consumption. The symptoms are variable depending on the disorder involved. Some of the disorders are: alcohol abuse, alcohol dependence, alcohol intoxication, alcohol withdrawal, alcohol intoxication delirium, alcohol...more »
    159. Alcohol-induced hypertension
     Alcohol-induced hypertension is high blood pressure caused by excessive drinking of alcohol....more »
    160. Alcohol-induced pseudo-Cushing syndrome
     The excessive consumption of alcohol can result in symptoms similar to a condition called Cushing's syndrome. When alcohol consumption is stopped, symptoms regress....more »
    161. Alcoholic intoxication
     The excessive consumption of alcohol can have toxic effects on the body and can ultimately result in death in severe cases....more »
    162. Alcoholism
     Alcoholism is the compulsive urge to drink alcohol despite knowing the negative impact on one's health....more »
    163. Aldred syndrome
     A rare disorder characterized by the presence of mental retardation and retinitis pigmentosa the starts earlier than normal. Female carriers tend to have only vision symptoms without mental retardation....more »
    164. Alektorophobia
     An exaggerated or irrational fear of chickens....more »
    165. Alexander Syndrome
     Brain myelin disorder causing mental degeneration....more »
    166. Algophobia
     An exaggerated or irrational fear of pain...more »
    167. Alkalosis
     Blood alkalinity levels too high (opposite of acidosis)...more »
    168. Allan-Herndon-Dudley Syndrome
     A very rare inherited disorder characterized primarilty by mental retardation....more »
    169. Allergic encephalomyelitis
     An autoimmune brain and spinal cord disease that can be induced in laboratory animals in experimental settings. The disease involves inflammation and degeneration of nerve myelin sheaths and it may be acute or chronic....more »
    170. Allergic irritability syndrome
     Symptoms such as irritability and poor concentration associated with nose, ear and sinus symptoms caused by allergies such as hayfever....more »
    171. Allergic tension-fatigue syndrome
     Variable symptoms caused by food allergy....more »
    172. Alopecia mental retardation hypogonadism
     A rare syndrome characterized by mental retardation, abnormal gonad functioning and a total lack of hair at birth. After childhood, sparse hair growth may occur....more »
    173. Alopecia mental retardation syndrome
     A rare syndrome characterized primarily by a lack of hair and mental retardation....more »
    174. Alopecia, epilepsy, oligophrenia syndrome of Moynahan
     A rare condition characterized by alopecia, epilepsy, mental retardation and a small head....more »
    175. Alopecia, epilepsy, pyorrhea, mental subnormality
     A rare syndrome characterized by alopecia, epilepsy, mental retardation and pus-producing gum and tooth inflammations....more »
    176. Alopecia, mental retardation and neurological problems
     A rare, newly described syndrome characterized by baldness, mental retardation and neurological problems....more »
    177. Alopecia-contractures-dwarfism-mental retardation
     A rare syndrome characterized primarily by mental retardation, short stature, lack of hair and contractures....more »
    178. Alpers Syndrome
     A rare syndrome characterized by liver disease, seizures and progressive, episodic psychomotor retardation....more »
    179. Alpha thalassemia -- Hemoglobin H disease
     Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called alpha and beta. Hemoglobin H disease involves defects in three of the four genes required to make each ? pr...more »
    180. Alpha thalassemia major
     Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called alpha and beta. Alpha thalassemia major is very rare involves defects in all of the four genes required to ...more »
    181. Alpha-Mannosidosis
     A rare condition which is characterized by a lysosomal storage defect....more »
    182. Alpha-ketoglutarate dehydrogenase deficiency
     A metabolic disorder characterized by a deficiency of Alpha-ketoglutarate dehydrogenase which results in high levels of oxoglutaric acid in the urine as well as other severe symptoms....more »
    183. Alpha-mannosidosis type II
     A rare inherited metabolic disorder involving a deficiency of an enzyme (alpha-mannosidosase) which results in the accumulation of certain chemicals in the body which leads to progressive damage. This form of the condition is less severe than type I (infa...more »
    184. Alpha-mannosidosis, adult-onset form
    185. Alpine syndrome
     A condition that occurs in some people who go to low altitude winter resorts (1500 metres). It tends to mostly affect people who have been fasting when they arrive....more »
    186. Alport syndrome -- mental retardation -- midface hypoplasia -- elliptocytosis
     A rare syndrome characterized by the association of Alport syndrome, mental retardation, underdeveloped midface and a blood abnormality (elliptocytosis). Alport syndrome is an inherited condition involving progressive kidney damage and hearing loss....more »
    187. Alternating hemiplegia of childhood
     A rare neurological disorder involving paralysis on one side of the body that is only temporary but occurs often. The extent of the paralysis is variable....more »
    188. Aluminium poisoning
     A type of heavy metal poisoning caused by excessive exposure to aluminium....more »
    189. Aluminium toxicity
     High body levels of aluminium resulting in symptoms. Usually occurs in patients with renal impairment....more »
    190. Alzheimer disease 10
     An inherited form of Alzheimer's. Type 10 is caused by a genetic defect on chromosome 10p13....more »
    191. Alzheimer disease 12
     An inherited form of Alzheimer's. Type 12 is caused by a genetic defect on chromosome 8p12-q22....more »
    192. Alzheimer disease 13
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q21. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality a...more »
    193. Alzheimer disease 14
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q25. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality a...more »
    194. Alzheimer disease 15
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 3q22-q24. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personali...more »
    195. Alzheimer disease 16
     Alzheimer disease 16 (late-onset) is a form of Alzheimer's disease that is linked to a defect on chromosome Xq21.3. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thi...more »
    196. Alzheimer disease 2, late-onset
     Alzheimer disease 2 (late-onset) is a form of Alzheimer's disease that is linked to a defect on chromosome 19q13.2. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thi...more »
    197. Alzheimer disease 3, (early-onset Alzheimer disease)
     Alzheimer disease 3 is an early-onset form of Alzheimer's disease that is linked to a defect on chromosome 14q24.3. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thi...more »
    198. Alzheimer disease 5
     An inherited form of Alzheimer's. Type 5 has a late onset and is caused by a genetic defect on chromosome 12p11....more »
    199. Alzheimer disease 6
     A genetic form of Alzheimer's. Type 6 has a late onset and is caused by a genetic defect on chromosome 10q24....more »
    200. Alzheimer disease 7
     An inherited form of Alzheimer's. Type 7 is caused by a genetic defect on chromosome 10p13....more »
    201. Alzheimer disease 8
     An inherited form of Alzheimer's. Type 8 is caused by a genetic defect on chromosome 20p....more »
    202. Alzheimer disease 9
     A genetic form of Alzheimer's. Type 9 has a late onset and is caused by a genetic defect on chromosome 19p13.2....more »
    203. Alzheimer disease type 1
     A degenerative brain disease characterized primarily by progressive dementia. Type 1 has an early onset (starts before the age of 65). It is caused by mutations in the APP gene which results in the production of a toxic protein (amyloid beta peptide) in t...more »
    204. Alzheimer disease type 2
     A degenerative brain disease characterized primarily by progressive dementia. Type 2 has a late onset - starts after the age of 65. It is believed to be caused by a combination of genetic mutations and environmental and lifestyle factors. The condition oc...more »
    205. Alzheimer disease type 4
     A degenerative brain disease characterized primarily by progressive dementia. Type 4 has an early onset (starts before the age of 65). It is caused by mutations in the PSEN2 gene which results in the production of a toxic protein (amyloid beta peptide) in...more »
    206. Alzheimer disease, early-onset, with cerebral amyloid angiopathy
     An early-onset form of Alzheimer's disease that is linked to a defect on chromosome 21q21. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personalit...more »
    207. Alzheimer disease, familial
     A degenerative brain disease characterized primarily by progressive dementia. The familial form is very rare and is completely inherited and has an early onset (usually in the 4th decade). It occurs when there is excessive production of a toxic protein (a...more »
    208. Alzheimer disease, familial, 1
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 21q. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality an...more »
    209. Alzheimer disease, familial, 11
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 9p22.1. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality...more »
    210. Alzheimer disease, familial, 3, with spastic paraparesis and apraxia
     This form of Alzheimer's is an early-onset form of Alzheimer's that is linked to a defect on chromosome 14q24.3. It is characterized by features which are atypical for Alzheimer's - spastic paraparesis which occurs before the dementia symptoms and apraxia...more »
    211. Alzheimer disease, familial, 3, with spastic paraparesis and unusual plaques
     This form of Alzheimer's is an early-onset form of Alzheimer's that is linked to a defect on chromosome 14q24.3. It is characterized by features which are atypical for Alzheimer's - spastic paraparesis which occurs before the dementia symptoms and unusual...more »
    212. Alzheimer disease, familial, 4
     An inherited form of Alzheimer's disease that is linked to a defect on chromosome 1q31-q42. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personali...more »
    213. Alzheimer disease, familial, type 3
     A degenerative brain disease characterized primarily by progressive dementia. Type 3 has an early onset (starts before the age of 65). It is caused by mutations in the PSEN1 gene which results in the production of a toxic protein (amyloid beta peptide) in...more »
    214. Alzheimer's Disease
     Dementia-causing brain disease mostly in seniors and the elderly....more »
    215. Alzheimer's disease without Neurofibrillary tangles
     A form of Alzheimer's that involves only plaques and no neurofibrillary tangles. This form tends to have an older age of onset and death and a shorter disease duration....more »
    216. Amathophobia
     An exaggerated or irrational fear of dust....more »
    217. Amaxophobia
     An exaggerated or irrational fear of riding in a vehicle or being in one....more »
    218. Ambien withdrawal
     Symptoms that occur when Ambien (Zolpidem) use is discontinued or reduced. Ambien is a sedative hypnotic drug. Symptoms may vary depending on the level of dependence....more »
    219. Amelo-cerebro-hypohidrotic syndrome
     A rare syndrome involving degeneration of the central nervous system, seizures and abnormal tooth development....more »
    220. Aminoacidopathies
     Any of a group of inborn errors of metabolism which results in the build up in the body of one or more amino acids in the blood and/or urine. The range and severity of symptoms is hugely variable....more »
    221. Amish brittle hair syndrome
     A rare inherited condition characterized by brittle hair, mental and physical impairment, decreased fertility and short stature....more »
    222. Amnesic shellfish poisoning
     Rare shellfish poisoning sometimes causing amnesia....more »
    223. Amotivational syndrome
     An impaired desire to engage in normal social activities and situations due to external factors such as relationships, substance or events....more »
    224. Amphetamine abuse
     Use of the stimulant drugs known as amphetamines or "speed"...more »
    225. Amphetamine withdrawal
     Symptoms that occur when amphetamine use is discontinued or reduced. Symptoms may vary depending on the level of dependence. Amphetamines include dexamphetamine (speed), Ritalin and MDMA (ecstasy)....more »
    226. Amphetamine-induced hypertension
     Amphetamine-induced hypertension is high blood pressure caused by use of amphetamines. Patients with an existing history of hypertension may suffer further blood pressure increases while taking amphetamines and this can be serious. Severity of symptoms va...more »
    227. Ampola syndrome
     A rare genetic disease characterized primarily by mental retardation, facial anomalies, short stature, seizures and finger and toe abnormalities....more »
    228. Amychophobia
     An exaggerated or irrational fear of being scratched or clawed....more »
    229. Amyloid angiopathy
     A blood vessel disorder caused by abnormal amyloid deposits in the blood vessel walls of the brain. The deposits can cause the blood vessel to become weak and rupture resulting in intracranial bleeding. Despite the potentially serious consequences the dis...more »
    230. Amyloidosis VI
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Icelandic type, the amyloid deposits affect the brain blood vessels and cause hemorrhages....more »
    231. Amyloidosis VII
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In the Ohio type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunction, br...more »
    232. Amyloidosis of gingiva and conjunctiva mental retardation
     A rare disorder characterized by mental retardation and abnormal amyloid deposits in the gums and conjunctiva of the eye....more »
    233. Amyloidosis, oculoleptomeningeal
     Amyloidosis involves the abnormal deposit of a substance called amyloid in various parts of the body. In this particular type, the amyloid deposits in the leptomeningeal blood vessels, brainstem, spinal cord and eye causing central nervous system dysfunct...more »
    234. Anaemia, sideroblastic, X-linked -- ataxia
     A very rare inherited disorder characterized by mild anemia and early onset neurological motor symptoms. The neurological symptoms tend to be relatively stable or slowly progressive with only occasional dependence on crutches or wheelchairs....more »
    235. Anauxetic dysplasia
     A rare disorder characterized by abnormal skeletal and spinal development....more »
    236. Andropause
     A symptomatic decline in male androgens that may occur as men age....more »
    237. Androphobia
     An exaggerated or irrational fear of men...more »
    238. Anemia of pregnancy
     Anemia of pregnancy is anemia that occurs during pregnancy. Women's bodies have a greater demand for iron during pregnancy and if intake is not sufficient, anemia can result. Anemia in pregnant women can lead to infant problems such as premature birth, fe...more »
    239. Anemia, Iron-Deficiency
     A lack of fully functioning red blood cells due to a deficiency of iron. The iron allows the body to make hemoglobin in red blood cells which in turn allows the red blood cell to carry oxygen....more »
    240. Anemia, Refractory, with Excess of Blasts
     A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. There are two types: type 1 refers to cases where the level of blasts is less than 10% ...more »
    241. Anemia, Refractory, with Excess of Blasts, type 1
     A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. Type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to ...more »
    242. Anemia, Refractory, with Excess of Blasts, type 2
     A bone marrow disease which results in insufficient red blood cells in the blood (anemia). The prognosis is poor with death usually occurring within a couple of years. Type 1 refers to cases where the level of blasts is less than 10% and type 2 refers to ...more »
    243. Anemia, hypochromic microcytic
     A blood disorder where red blood cells are too small and lack sufficient iron. It can be inherited or caused by insufficient iron in the diet or from a genetic disorder....more »
    244. Aneurysm, intracranial berry
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    245. Aneurysm, intracranial berry, 1
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    246. Aneurysm, intracranial berry, 10
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    247. Aneurysm, intracranial berry, 2
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    248. Aneurysm, intracranial berry, 3
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    249. Aneurysm, intracranial berry, 4
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    250. Aneurysm, intracranial berry, 5
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    251. Aneurysm, intracranial berry, 6
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are now six different subtypes of intracranial berry aneurysms with each o...more »
    252. Aneurysm, intracranial berry, 7
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    253. Aneurysm, intracranial berry, 8
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    254. Aneurysm, intracranial berry, 9
     A bulge in a blood vessel in the brain. The bulge can rupture causing a stroke. They usually form as a result of high blood pressure and weak blood vessel walls in the brain. There are five different subtypes of intracranial berry aneurysms with each one ...more »
    255. Angelman syndrome
     A rare genetic disorder characterized by a puppet-like gait, fits of laughter and characteristic facial features....more »
    256. Angelman-Like Syndrome, X-linked
     A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation. Patients do eventually walk...more »
    257. Angina
     A special type of chest pain....more »
    258. Anginophobia
     An exaggerated or irrational fear of angina, choking or narrowness of the throat....more »
    259. Angiokeratoma -- mental retardation -- coarse face
     A rare inherited genetic syndrome characterized by mental retardation, coarse facial features and capillary hemangiomas....more »
    260. Anglophobia
     An exaggerated or irrational fear of England or the English....more »
    261. Aniridia -- mental retardation syndrome
     A very rare syndrome characterized by mental retardation and absent irises....more »
    262. Aniridia -- ptosis -- mental retardation -- obesity, familial
     A rare familial disorder characterized by eye abnormalities, mental retardation and obesity....more »
    263. Aniridia -- renal agenesis -- psychomotor retardation
     A rare genetic disorder characterized by missing irises of the eye, kidney developmental problems and mental retardation....more »
    264. Aniridia III
     A genetic disorder where part or all of the iris of one or both eyes is missing. The iris is the colored part of the eye. There are four forms of the disease: AN-1, AN-II, AN-III and AN-IV. AN-III is associated with mental retardation....more »
    265. Aniridia cerebellar ataxia mental deficiency
     A rare inherited disorder characterized by a partial absence of the iris, mental retardation and impaired coordination of voluntary movements....more »
    266. Aniridia ptosis mental retardation obesity familial type
     A rare familial disorder characterized by eye abnormalities, mental retardation and obesity....more »
    267. Ankylophobia
     An exaggerated or irrational fear of stiff or immobile joints....more »
    268. Anophthalmia -- hand and foot defects -- mental retardation
     A rare syndrome characterized mainly by mental retardation, hand and foot defects and absent eyes....more »
    269. Anophthalmia -- heart and pulmonary anomalies -- intellectual deficit
     A rare disorder characterized by absent eyes, heart and lung anomalies and mental retardation....more »
    270. Anophthalmia -- hypothalamo-pituitary insufficiency
     A rare syndrome characterized mainly by small or absent eyes and malformations of the hypothalamus and pituitary gland....more »
    271. Anophthalmia -- hypyothalamo-pituitary insufficiency
     A rare syndrome characterized mainly by small or absent eyes and malformations of the hypothalamus and pituitary gland....more »
    272. Anorexia Nervosa
     A disorder where a distorted sense of body image leads to self-starvation to the point of death in some cases....more »
    273. Anorexia nervosa, genetic types
     There is mounting evidence that anorexia nervosa may be caused by genetic factors which when combined with psychosocial factors can increase a persons risk of developing the condition....more »
    274. Anoxemia
     Lack of oxygen in the blood...more »
    275. Anoxia
     Lack of oxygen to the body's tissues....more »
    276. Ansell-Bywaters-Elderking syndrome
     A rare familial syndrome characterized mainly by mental retardation, rash, eye inflammation and joint disease....more »
    277. Anthophobia
     An exaggerated or irrational fear of flowers....more »
    278. Anthropophobia
     An exaggerated or irrational fear of people and groups of people....more »
    279. Anti-Social Personality Disorder
     A psychiatric condition characterized by chronic behavioral and social problems which often involves criminal behaviour....more »
    280. Antlophobia
     An exaggerated or irrational fear of floods....more »
    281. Anton-Vogt syndrome
     A congenital disorder where a brain anomaly results in involuntary purposeless movements (choreathetosis). Excitement and activity can make symptoms worse....more »
    282. Anxiety
     A feeling of apprehension, and fear without apparent stimulus that is associated sometime with somatic responses...more »
    283. Anxiety conditions
     Medical conditions related to anxiety, fear, and panic....more »
    284. Anxiety, separation
     A term used when children become upset when they are separated from a parent or carer. The situation is most commonly witnessed when children are taken to day care. Other situations include when the child is left with a baby sitter or made to sleep on his...more »
    285. Anxiety-tension syndrome
     Anxiety associated with physical symptoms such as tense muscles and fatigue....more »
    286. Aortic aneurysm, familial abdominal 1
     A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 1 is caused by a genetic defect on chromosome 19q13....more »
    287. Aortic aneurysm, familial abdominal 2
     A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 2 is caused by a genetic defect on chromosome 4q31....more »
    288. Aortic aneurysm, familial abdominal 3
     A rare familial disorder where the abdominal aorta has a weak, bulging portion. The condition is asymptomatic but can result in death if it bursts. Type 3 is caused by a genetic defect on chromosome 9p21....more »
    289. Aortic arch anomaly with peculiar facies and mental retardation
     A very rare syndrome characterized by mental retardation, characteristic facial anomalies and abnormal position of the aorta....more »
    290. Aortic supravalvular stenosis
     A rare congenital condition involving increased intestinal calcium absorption and characterized by development delay, distinctive facial features, small nails and short stature....more »
    291. Apeirophobia
     An exaggerated or irrational fear of infinity....more »
    292. Apert syndrome
     A rare condition characterized by abnormalities in the appearance of the face and head as well as finger and toe abnormalities. The bones of the skull fuse together too early which prevents it from growing normally. Various toes and fingers may be fused t...more »
    293. Aphasia
     Language difficulty usually from brain damage or stroke....more »
    294. Apiophobia
     An exaggerated or irrational fear of bees....more »
    295. Apnea of prematurity
     AOP occurs in infants who are born prematurely (before 34 weeks of pregnancy)....more »
    296. Appian-Plutarch syndrome
     Symptoms caused by excessive doses of a drug called atropine....more »
    297. Arachibutyrophobia
     An exaggerated or irrational fear of peanut butter sticking to the roof of the mouth....more »
    298. Arachnephobia
     An exaggerated or irrational fear of spiders....more »
    299. Arachnodactyly -- ataxia -- cataract -- aminoaciduria -- mental retardation
     A rare syndrome characterized mainly by congenital cataracts, ataxia, mental retardation, abnormal amino acid metabolism and long, thin fingers....more »
    300. Arachnodactyly -- mental retardation -- dysmorphism
     A very rare syndrome characterized by mental retardation, unusual facial features and long, thin fingers and toes....more »
    301. Arachnoid Cysts
     A rare disorder involving a fluid-filled cysts on the arachnoid membrane which is one of the thin layers of tissue that form a membrane which covers the spinal cord and brain. The type and severity of symptoms is determined by the size and location of the...more »
    302. Arachnoiditis
     A progressive disorder where the arachnoid membrane becomes inflamed and the brain and spinal cord may also become inflamed....more »
    303. Arakawa syndrome 1
     An inherited metabolic disorder where an enzyme deficiency (glutamate formiminotrransferase) causes mental and physical retardation and degeneration of brain tissue....more »
    304. Arbovirosis
     An infectious disease caused by an arbovirus. The virus is transmitted by arthropods such as insects and ticks. Examples of arboviruses include Yellow Fever, Japanese encephalitis and tick-borne encephalitis. The symptoms may vary depending on the type of...more »
    305. 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 t...more »
    306. Arena syndrome
     A rare disorder characterized by mental retardation, spastic paraplegia and iron deposits in part of the brain that controls movement (basal ganglia)....more »
    307. Arginase deficiency
     A very rare urea cycle disorder caused by a deficiency of the enzyme (arginase) needed to convert ammonia to the urea which can then be removed in the urine. The condition leads to excess build-up of ammonia in the body which is toxic to the nervous syste...more »
    308. Arginine-glycine amidinotransferase deficiency
     A rare enzyme deficiency which manifests as mental retardation, developmental delay and speech problemss...more »
    309. Argininosuccinase lyase deficiency, late onset
     A rare inherited urea cycle disorder caused by lack of enzymes (argininosuccinase lyase) needed to turn ammonia into urea resulting in excess ammonia in the body. The late onset form of the condition tends to start later in life as there is some level of ...more »
    310. Argininosuccinase lyase deficiency, neonatal
     A rare inherited urea cycle disorder caused by lack of enzymes (argininosuccinase lyase) needed to turn ammonia into urea resulting in excess ammonia in the body. The neonatal form of the condition can result in death or severe complications if not treate...more »
    311. Arima syndrome
     A rare disorder characterized mainly by eye and brain abnormalities....more »
    312. Arnold-Chiari malformation type 4
     Arnold-Chiari malformation is a rare malformation where the base of the brain enters into the upper spinal canal. Type 4 actually involves a lack of development of a portion of the base of the brain (cerebellum). The prognosis is very poor with death ofte...more »
    313. Aromatic amino acid decarboxylase deficiency
     A rare inborn error of metabolism involving the deficiency of an enzyme (aromatic L-amino acid decarboxylase) needed to process aromatic amino acids. This results in a deficiency of neurotransmitters such as dopamine and serotonin. The condition manifests...more »
    314. Arthritis -- short stature -- deafness
     A very rare syndrome characterized by arthritis, short stature, deafness and numerous other abnormalities....more »
    315. Arthrogryposis -- epileptic seizures -- migrational brain disorder
     A rare disorder characterized by congenital joint contractures, epileptic seizures and brain development abnormalities. It can be caused by fetal exposure to alcohol or chemical products....more »
    316. Arthrogryposis IUGR thoracic dystrophy
     A very rare syndrome characterized by congenital joint contractures, intrauterine growth retardation (IUGR) and ribcage abnormalities....more »
    317. Arthrogryposis multiplex congenita, distal, X-linked
     A rare condition characterized by the presence of contractures at birth as well as various other anomalies. The condition is X-linked....more »
    318. Arthrogryposis, congenital -- myopathic seizures
     A rare syndrome characterized by mental retardation and muscle problems....more »
    319. Aspartylglucosaminidase deficiency
     A rare glycoprotein metabolism disorder caused by a deficiency of an enzyme called aspartylglucosaminidase. Patients tend to develop normally during the first few years of life and development continues slowly until adolescence when mental retardation bec...more »
    320. Aspartylglycosaminuria
     A rare glycoprotein metabolism disorder caused by a deficiency of an enzyme called aspartylglucosaminidase. Patients tend to develop normally during the first few years of life and development continues slowly until adolescence when mental retardation bec...more »
    321. Asperger Syndrome, Susceptibility to, 1
     Asperger Syndrome is considered to be a mild form of autism and manifests in symptoms such as problems with social interactions and repetitive behavior patterns and interests. Language and cognition skills are considerable less affected than in autism. Re...more »
    322. Asperger Syndrome, Susceptibility to, 2
     Asperger Syndrome is considered to be a mild form of autism and manifests in symptoms such as problems with social interactions and repetitive behavior patterns and interests. Language and cognition skills are considerable less affected than in autism. Re...more »
    323. Asperger Syndrome, Susceptibility to, 3
     Asperger Syndrome is considered to be a mild form of autism and manifests in symptoms such as problems with social interactions and repetitive behavior patterns and interests. Language and cognition skills are considerable less affected than in autism. Re...more »
    324. Asperger Syndrome, X-linked, Susceptibility to, 1
     Asperger Syndrome is considered to be a mild form of autism and manifests in symptoms such as problems with social interactions and repetitive behavior patterns and interests. Language and cognition skills are considerable less affected than in autism. Re...more »
    325. Asperger Syndrome, X-linked, Susceptibility to, 2
     Asperger Syndrome is considered to be a mild form of autism and manifests in symptoms such as problems with social interactions and repetitive behavior patterns and interests. Language and cognition skills are considerable less affected than in autism. Re...more »
    326. Asperger syndrome
     A neuropsychiatric disorder mainly involving the inability to understand and becoming involved in social interaction....more »
    327. Asthenophobia
     An exaggerated or irrational fear of weakness or fainting....more »
    328. Astraphobia
     An exaggerated or irrational fear of lightning and thunder....more »
    329. Astrocytoma
     A malignant tumour of the nervous system composed of astrocytes....more »
    330. Astrophobia
     An exaggerated or irrational fear of stars and celestial space....more »
    331. Ataxia -- apraxia -- mental retardation, X-linked
     A rare X-linked syndrome characterized mainly by ataxia, apraxia and mental retardation. The symptoms are generally nonprogressive....more »
    332. Ataxia -- diabetes -- goiter -- gonadal insufficiency
     A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia....more »
    333. Ataxia Telangiectasia
     A rare inherited childhood disorder involving progressive degeneration of the nervous system....more »
    334. Ataxia deafness reardon type
     A rare syndrome observed in a Kuwati family characterized by ataxia, deafness and mental retardation....more »
    335. Ataxia tapetoretinal degeneration
     Conditions involving incoordination and an eye anomaly....more »
    336. Ataxia, Hereditary, Autosomal Dominant
     A group of rare, dominantly inherited neuromuscular disorder involving degeneration of the brain and spinal cord. The range, progression and severity of symptoms can vary quite considerably depending on the genetic defect involved....more »
    337. Ataxiophobia
     An exaggerated or irrational fear of muscular incoordination (ataxia). This disorder is not to be confused with ataxophobia which is a fear of disorder or untidiness....more »
    338. Ataxophobia
     An exaggerated or irrational fear of disorder or untidiness. This disorder is not to be confused with ataxiophobia which is a fear of muscular incoordination (ataxia)....more »
    339. Atelophobia
     An exaggerated or irrational fear of imperfection....more »
    340. Atephobia
     An exaggerated or irrational fear of ruin....more »
    341. Athabaskan brainstem dysgenesis
     A rare neurological disorder caused by abnormal brainstem development and function....more »
    342. Atherosclerosis, premature -- deafness -- diabetes mellitus -- photomyoclonus -- nephropathy -- degenerative neurologic disease
     A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries....more »
    343. Atherosclerosis- deafness -- diabetes -- epilepsy -- nephropathy
     A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries....more »
    344. Atkin-Flatiz syndrome
     A rare, X-linked syndrome characterized mainly by mental retardation and facial anomalies....more »
    345. Atrichia -- mental and growth delay
     A rare syndrome characterized mainly by mental retardation, growth delay and the absence of hair....more »
    346. Attention Deficit Hyperactivity Disorder
     Behavioral disorder with hyperactivity and/or inattention....more »
    347. Attention Deficit and Disruptive Behavior Disorders
     A condition characterized by attention problems and disruptive behavior. The condition is considered to be a grouping of three other disorders - oppositional defiant disorder, conduct disorder and attention-deficit hyperactivity disorder....more »
    348. Attention Deficit-Hyperactivity Disorder, Susceptibility to, 1
     ADHD or attention deficit hyperactivity disorder is a common neurobehavioral developmental disorder that usually occurs in childhood and can continue into adulthood. Researchers have discovered a number of genes linked to an increased susceptibility to AD...more »
    349. Attention Deficit-Hyperactivity Disorder, Susceptibility to, 2
     ADHD or attention deficit hyperactivity disorder is a common neurobehavioral developmental disorder that usually occurs in childhood and can continue into adulthood. Researchers have discovered a number of genes linked to an increased susceptibility to AD...more »
    350. Attention Deficit-Hyperactivity Disorder, Susceptibility to, 3
     ADHD or attention deficit hyperactivity disorder is a common neurobehavioral developmental disorder that usually occurs in childhood and can continue into adulthood. Researchers have discovered a number of genes linked to an increased susceptibility to AD...more »
    351. Attention Deficit-Hyperactivity Disorder, Susceptibility to, 4
     ADHD or attention deficit hyperactivity disorder is a common neurobehavioral developmental disorder that usually occurs in childhood and can continue into adulthood. Researchers have discovered a number of genes linked to an increased susceptibility to AD...more »
    352. Attention Deficit-Hyperactivity Disorder, Susceptibility to, 5
     ADHD or attention deficit hyperactivity disorder is a common neurobehavioral developmental disorder that usually occurs in childhood and can continue into adulthood. Researchers have discovered a number of genes linked to an increased susceptibility to AD...more »
    353. Attention Deficit-Hyperactivity Disorder, Susceptibility to, 6
     ADHD or attention deficit hyperactivity disorder is a common neurobehavioral developmental disorder that usually occurs in childhood and can continue into adulthood. Researchers have discovered a number of genes linked to an increased susceptibility to AD...more »
    354. Attention Deficit-Hyperactivity Disorder, Susceptibility to, 7
     ADHD or attention deficit hyperactivity disorder is a common neurobehavioral developmental disorder that usually occurs in childhood and can continue into adulthood. Researchers have discovered a number of genes linked to an increased susceptibility to AD...more »
    355. Attenuated congenital adrenal hyperplasia
     A late onset form of congenital adrenal hyperplasia where insufficient adrenal corticosteroids are produced by the body due to the deficiency of a particular chemical. The severity of symptoms varies from person to person and onset may occur as early as c...more »
    356. Atypical hemolytic uremic syndrome
     A rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause....more »
    357. Atypical pyridoxine-dependent seizures
     A form of epilepsy which responds to anticonvulsant therapy for only a period of time but are able to be managed by pyridoxine supplementation after a few months. Seizures may disappear for a few months even after pyridoxine supplementation is ceased....more »
    358. Auditory Processing Disorder
     Failure of the brain to correctly process sound....more »
    359. Aughton syndrome
     A very rare syndrome characterized primarily by small eyes, cleft palate, mental retardation and dextrocardia (heart located on right side of chest instead of left)....more »
    360. Aulophobia
     An exaggerated or irrational fear of flutes....more »
    361. Aural atresia -- multiple congenital anomalies -- mental retardation
     A rare syndrome characterized by a number of malformations as well as mental retardation....more »
    362. Aurophobia
     An exaggerated or irrational dislike of gold....more »
    363. Auroraphobia
     An exaggerated or irrational fear of Auroral lights....more »
    364. 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 c...more »
    365. Autism
     Childhood mental condition with social and communication difficulties....more »
    366. Autism, Susceptibility to, 15
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    367. Autism, X-linked, susceptibility to, 1
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    368. Autism, X-linked, susceptibility to, 2
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    369. Autism, X-linked, susceptibility to, 3
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    370. Autism, susceptibility to, 1
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    371. Autism, susceptibility to, 10
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    372. Autism, susceptibility to, 11
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    373. Autism, susceptibility to, 12
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    374. Autism, susceptibility to, 13
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    375. Autism, susceptibility to, 14
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    376. Autism, susceptibility to, 3
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    377. Autism, susceptibility to, 4
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    378. Autism, susceptibility to, 5
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    379. Autism, susceptibility to, 6
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    380. Autism, susceptibility to, 7
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    381. Autism, susceptibility to, 8
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    382. Autism, susceptibility to, 9
     A developmental disorder characterized by an impaired ability to communicate with or relate to people or the environment around them and repetitive behavior. The severity of the disorder is variable. Researchers have discovered a number of genetic abnorma...more »
    383. Autistic conditions
     Medical conditions related to autism or autism spectrum disorders....more »
    384. Autoimmune Hemolytic Anemia
     Autoimmune hemolytic anemia is characterized by an abnormal immune system response which leads to the destruction of red blood cells and hence anemia. The severity of the condition varies depending on the underlying cause e.g. cytomegalovirus, hepatitis, ...more »
    385. Autoimmune thyroid disease associated Celiac Disease
     Patients with autoimmune thyroid disease are more susceptible to developing celiac disease than the average population. Celiac disease is an autoimmune disorder characterized by intolerance to gluten by the small intestine. The type and severity of sympto...more »
    386. Autoimmune thyroid diseases
     Autoimmune diseases of the thyroid gland....more »
    387. Automysophobia
     An exaggerated or irrational fear of being dirty....more »
    388. Autonomic Dysreflexia
     A complication of spinal cord injury where a particular stimulus can trigger an excessive response from the autonomic nervous system which causes blood pressure to rise - sometimes to dangerous levels. Stimuli that can trigger the response include bladder...more »
    389. Autonomic dysreflexia syndrome
     A complication caused by injury to the neck or upper back region of the spinal cord. Symptoms are induced by stimulation below the level of the injury which can be caused by such things as distended bladder, scratching the feet, squeezing the penis, stimu...more »
    390. Autophobia
     An exaggerated or irrational fear of being egotistical or being by oneself....more »
    391. Autosomal recessive spastic paraplegia, type 11
    392. Avoidant Personality Disorder
     Personality type that avoids other people...more »
    393. Axenfeld-Rieger syndrome
     A rare genetic disorder characterized by underdeveloped or absent teeth and craniofacial and eye abnormalities. The range of symptoms that can occur is somewhat variable....more »
    394. Ayazi syndrome
     A very rare syndrome characterized by choroideremia (a degenerative disease of the retina), deafness and obesity....more »
    395. Azarcon-induced lead poisoning
     Azarcon is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Ch...more »
    396. BBB syndrome, X-linked
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: type I is inherited in a X-linked manner and type II is inherited in an autoso...more »
    397. BIDS syndrome
     A rare inherited condition characterized by brittle hair (B), mental and physical impairment (I), decreased fertility (D) and short stature (S)....more »
    398. BOD syndrome
     A very rare syndrome characterized primarily by small nails, digital abnormalities (mainly of the fifth finger and toe) and various facial anomalies....more »
    399. Ba Bow Sen-induced lead poisoning
     Ba Bow Sen is a folk remedy used mainly by Chinese people to treat childhood hyperactivity and to alleviate nightmares. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to...more »
    400. Baber's syndrome
     A very rare syndrome characterized by the association of congenital liver cirrhosis with Fanconi syndrome....more »
    401. Bacillophobia
     An exaggerated or irrational fear of missiles....more »
    402. Back tumour
     The presence of tumour growth in the vertebra, whether due to primary malignancies e.g. leukaemic or myeloma infiltration of the bone marrow, or due to secondary metastases from another site e.g. lung or breast....more »
    403. Bacterial pericarditis
     Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) due to a bacterial infection. It can occur as a complication of a bacterial infection in some other part of the body. It is most often a complication of a respiratory infecti...more »
    404. Bacterial toxic-shock syndrome
     A very rare, potentially fatal infection caused by toxins produced by bacteria, especially bacteria such as Staphylococcus aureus or Streptococcus pyogenes. The condition is often associated with tampon use but can originate from other sources....more »
    405. Bacteriophobia
     An exaggerated or irrational fear of bacteria....more »
    406. Balance disorders
     Various disorders impairing the body's sense of balance....more »
    407. Bali goli-induced lead poisoning
     Bali goli (flat black bean) is a folk remedy used mainly by Indian and Asian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the e...more »
    408. Balint's syndrome
     A rare eye disorder characterized by difficulties with visual perception which stems from damage to a part of the brain. Essentially, the patient is unable to see more than one object at a time irrespective of the size of the object. For example, if gazin...more »
    409. Baltic myoclonic epilepsy
     A rare inherited type of progressive myoclonus epilepsy which tends to cause symptoms during childhood. The involuntary muscle movements tend to occur more frequently and become more severe with increasing age. Symptoms may occur following various stimuli...more »
    410. Bamforth syndrome
     A rare syndrome characterized mainly by the association of an abnormal opening in the roof of the mouth and reduced thyroid functioning....more »
    411. Bangstad syndrome
     A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia....more »
    412. Baraitser burn fixen syndrome
     A rare syndrome characterized mainly by skeletal abnormalities, a skin disorder and an expressionless face....more »
    413. Baraitser-Rodeck-Garner syndrome
     A very rare syndrome characterized primarily by mental retardation, premature fusion of skull bones, kidney anomalies, seizures and facial anomalies....more »
    414. Baraitser-Winter syndrome
     A rare syndrome characterized by a structural eye defect, droopy eyelids and mental retardation....more »
    415. Barakat syndrome
     A rare condition characterized by deafness, kidney disease and insufficiency parathyroid hormone production....more »
    416. Barbiturate abuse
     Abuse of barbiturate medications...more »
    417. Barophobia
     An exaggerated or irrational fear of gravity....more »
    418. Barre-Lieou syndrome
     A rare condition where trauma (such as pinching by adjacent vertebrae or arthritis) to the sympathetic nerves located in the spinal area of the neck results in a variety of neurological symptoms....more »
    419. Bartsocas Papa syndrome
     A rare condition characterized by webbing of skin as well as various other physical and mental abnormalities....more »
    420. Bartter Syndrome
     A rare genetic disorder of kidney metabolism characterized by reduced blood acidity and low potassium levels....more »
    421. Bartter Syndrome type 4
     Bartter syndrome is a rare disorder where abnormal kidney metabolism results in low blood acidity an potassium levels. Type 4 also involves sensorineural deafness....more »
    422. Bartter Syndrome type 4A
     Bartter syndrome is a rare disorder where abnormal kidney metabolism results in low blood acidity an potassium levels. Type 4A also involves sensorineural deafness....more »
    423. Bartter Syndrome type 4B
     Bartter syndrome is a rare disorder where abnormal kidney metabolism results in low blood acidity an potassium levels. Type 4B also involves sensorineural deafness....more »
    424. Bartter's syndrome, antenatal type 1
     A rare genetic kidney disorder that causes hypokalemia. A defect in the NKCC2 gene impairs the functioning of the Na-Cl cotransporter and leads to electrolyte imbalance. The rate of death is high prior to diagnosis....more »
    425. Bartters syndrome, antenatal , type 2
     A rare genetic kidney disorder that causes hypokalemia. A defect in the ROMK gene impairs the ATP-regulated potassium channel functioning and leads to electrolyte imbalance....more »
    426. Basal ganglia calcification, idiopathic 1
     Abnormal calcium deposits in the part of the brain called the basal ganglia. Type 1 results in psychiatric, cognitive or neurological problems associated with the calcification. The symptoms experienced are variable....more »
    427. Basilar artery insufficiency
     It refers to a temporary set of symptoms due to decreased blood flow in the posterior circulation of the brain....more »
    428. Basilar artery migraine
     Basilar migraine (BM), also known as Bickerstaff syndrome, consists of headache accompanied by dizziness, ataxia, tinnitus, decreased hearing, nausea and vomiting, dysarthria, diplopia, loss of balance, bilateral paresthesias or paresis, altered conscious...more »
    429. Bathmophobia
     An exaggerated or irrational fear of walking....more »
    430. Bathophobia
     An exaggerated or irrational fear of depths. This can include a fear of lakes or long hallways....more »
    431. Batophobia
     An exaggerated or irrational fear of passing high buildings....more »
    432. Batrachophobia
     An exaggerated or irrational fear of frogs or toads....more »
    433. Battaglia Neri syndrome
     A very rare syndrome characterized by mental retardation, small head, epilepsy, coarse facial features and skeletal anomalies. Only two reported cases of this syndrome....more »
    434. Bd syndrome
     A very rare syndrome characterized mainly by the association of mental retardation, small eyes and a movement disorder....more »
    435. Bearsfoot hellebore poisoning
     The Bearsfoot hellebore is a relatively small, flowering evergreen plant which originated in Europe. All parts of the plant contain protoanemonin which can be toxic if large quantities are consumed....more »
    436. Behavioral disorders
     Disorders affecting behavior and emotional wellbeing...more »
    437. Behcet's Disease
     Recurring inflammation of small blood vessels affecting various areas....more »
    438. Bell mania
     A rare life-threatening neuropsychiatric disorder involving delusions, hyperactivity and periods of fever. Death can occur within days or months without treatment....more »
    439. Bellini-Chiumello-Rinoldi syndrome
     A very rare syndrome characterized primarily by mental retardation, short stature and unusual shaped ends of long bones....more »
    440. Belonephobia
     An exaggerated or irrational fear of pins and needles....more »
    441. Ben-Ari-Shuper-Mimouni syndrome
     A very rare syndrome characterized mainly by abnormal development of the structure separating the two halves of the brain as well as duplicated ureters that collect the urine from the kidney and deliver it to the bladder....more »
    442. Benign Fasciculation Syndrome
     Common movement disorder manifesting in a fine (fast) tremor; it is an inherited condition of unknown cause....more »
    443. Benign paroxysmal torticollis of infancy
     A harmless condition characterized by recurring periods of head tilting resulting from dystonia (sustained muscle contractions) of the neck muscles. Other symptoms such as vomiting and irritability may also occur variably. Episodes tend to occur without a...more »
    444. Benjamin syndrome
     A rare disorder characterized mainly by anemia, bone abnormalities and mental and growth retardation....more »
    445. Benson's syndrome
     A rare neurodegenerative disorder characterized mainly by defective visual information processing which affects a person's ability to recognize familiar objects and people....more »
    446. Bentham-Driessen-Hanveld syndrome
     A rare syndrome characterized mainly by the association of undescended testes, long thin fingers and mental retardation....more »
    447. Benzodiazepine abuse
     Abuse of benzodiazepine tranquiliser medications...more »
    448. Beriberi
     Disease due to vitamin B1 deficiency (thiamine)...more »
    449. 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....more »
    450. Bessman-Baldwin syndrome
     A rare disorder characterized by degeneration of the brain and the macula of the eye....more »
    451. Beta Thalassemia intermedia
     Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. There are two subtypes of the disorder (alpha and beta) depending on what portion of the hemoglobin is abnormally synthesized. Beta Thalassemia intermedia involv...more »
    452. Beta thalassemia
     Thalassemia is an inherited blood disorder characterized by abnormal synthesis of hemoglobin. Hemoglobin consists of two main protein chains called alpha and beta. Beta thalassemia involves defects in one or more of the two genes required to make each ? p...more »
    453. Beta-mannosidosis
     A very rare type of inherited glycoprotein storage disease where deficiency of an enzyme called beta-mannosidase results in a build-up of certain sugars (oligosaccharides) which can harm the body....more »
    454. Beta-ureidopropionase deficiency
     A metabolic disorder where the deficiency of an enzyme (Beta-ureidopropionase) results mainly in neurological abnormalities such as mental retardation. The symptoms are variable however....more »
    455. Bibliophobia
     An exaggerated or irrational fear of books....more »
    456. Biemond syndrome type 2
     A rare inherited condition characterized by mental retardation, obesity, polydactyly and underdeveloped genitals....more »
    457. Bilateral Occipital Polymicrogyria
     Polymicrogyria refers to abnormal brain development where the brain has abnormally smooth gyri (convolutions) on the surface of the brain. In bilateral occipital polymicrogyria, the anomaly covers both sides of the brain at the back of the head (occiput)....more »
    458. Bilateral abductor vocal cord paralysis syndrome
     A complication that can occur following the removal of the thyroid gland....more »
    459. Biliary Atresia
     A rare condition that can affect newborns where the bile duct that carries the bile from the liver to the small intestine is blocked or missing....more »
    460. Biliary cirrhosis
     Biliary cirrhosis is a condition where the bile ducts are unable to transport bile effectively due to blockage, inflammation, scarring or some other damage to the bile ducts. The condition may result from such things as congenital defect of the bile ducts...more »
    461. Bing-Neel syndrome
     A rare disorder involving infiltration of the central nervous system by abnormal leukemia-like cells (lymphoplasmocytoid cells) that occur in Waldenström's macroglobulinemia. The abnormality increases blood viscosity which impairs its circulation through ...more »
    462. Binswanger Disease
     Multi-infarct dementia, caused by damage to deep white matter....more »
    463. Binswanger's Disease
     A type of senile dementia characterized by chronic cerebrovascular disease....more »
    464. Bint Al Zahab-induced lead poisoning
     Bint Al Zahab is a folk remedy used by various ethnic groups (e.g. Indians, Saudi Arabians) to treat infant colic and to facilitate the passage of meconium in newborns. This folk remedy has the potential to cause lead poisoning due to its relatively high ...more »
    465. Biotinidase deficiency
     A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes....more »
    466. Bipolar VI
     Bipolar VI type is defined as having no depressive symptoms, only manic or hypomanic moods....more »
    467. Bipolar disorder
     Cycles of mania and depression; commonly called "manic-depression"....more »
    468. Bipolar disorder I
     Bipolar I disorder is a mood disorder that is characterized by at least one manic or mixed episode. Most people with bipolar I disorder also suffer from episodes of depression....more »
    469. Bipolar disorder/cyclothymic disorder/hypomania
    470. Bird-headed dwarfism with progressive ataxia, Insulin-resistant diabetes, goiter and primary gonadal insufficiency
     A rare disorder characterized by diabetes, goiter, insufficient hormone production by the gonads and progressive ataxia....more »
    471. Bird-headed dwarfism, Montreal type
     A rare condition characterized by dwarfism and a characteristic beak-shaped nose....more »
    472. Black locust poisoning
     The black locust is a large deciduous tree which has long clusters of scented flowers and flat fruit pods. The young leaves, seeds and inner bark contain various chemicals (robin, robinine and robitin) which can be toxic if large quantities are eaten. The...more »
    473. Blepharophimosis -- ptosis -- syndactyly -- mental retardation
     A rare genetic disorder characterized by eye anomalies, webbed fingers and mental retardation....more »
    474. Blepharophimosis syndrome Ohdo type
     An extremely rare syndrome characterized primarily by mental retardation and eye anomalies. Only a handful of cases have been reported....more »
    475. Blue Diaper Syndrome
     A rare metabolic disorder characterized by vision problems, bluish urine, fever and digestive anomalies....more »
    476. Bobble-head doll syndrome
     A rare condition where a child's head bobs up and down continuously due to either fluid on the brain or a large cyst in the third ventricle of the brain....more »
    477. Body packer syndrome
     Consuming packages of drugs for the purpose of concealing them for transportation....more »
    478. Bogyphobia
     An exaggerated or irrational fear of demons and goblins....more »
    479. Bokhoor-induced lead poisoning
     Bokhoor is a traditional used mainly by Saudi Arabian people to calm infants - it involves burning wood and lead sulphide and inhaling the fumes that are produced. This practice has the potential to cause lead poisoning due to the relatively high exposure...more »
    480. Bone dysplasia -- corpus callosum agenesis
     A very rare syndrome characterized mainly by abnormal brain development and bone growth abnormalities....more »
    481. Bone-Marrow failure syndromes
     A disorder where the bone marrow fails to produce enough new blood cells....more »
    482. Bonneman-Meinecke-Reich syndrome
     A very rare syndrome characterized by calcium deposits in the brain tissue, deficiency of growth hormones and degeneration of the part of the eye called the retina....more »
    483. Bonnemann-Meinecke-Reich syndrome
     A rare disorder characterized mainly by growth problems, vision problems and brain disease....more »
    484. Borderline Personality Disorder
     Mental condition with behavioral and emotional problems....more »
    485. Bork-Stender-Schmidt syndrome
     A very rare syndrome characterized primarily by unusual hair, retinal disease, dental problems and short fingers....more »
    486. Borna disease
     An infectious neurological disease that affects warm-blooded animals. There is disagreement as to whether the virus may be the underlying cause of some cases of mental illness in humans....more »
    487. Borreliosis
     An infectious bacterial disorder that is transmitted by ticks and causes skin rashes joint swelling and other symptoms similar to the flu....more »
    488. Boscherini-Galasso-Manca-Bitti syndrome
     A rare syndrome characterized by a range of abnormalities including mental retardation, growth hormone deficiency, congenital heart defect and facial abnormalities....more »
    489. Bosley-Salih-Alorainy syndrome
     A rare recessively inherited disorder involving inner and outer ear deformity, eye movement disorder, deafness, cardiovascular malformations and other anomalies. The range and severity of symptoms is variable....more »
    490. Bosviel syndrome
     A rare condition where a blood blister on the uvula ruptures. It often occurs as a complication of tracheal intubation....more »
    491. Bottlebrush buckeye poisoning
     The Bottlebrush buckeye is a deciduous shrub which bears clusters of white or pink flowers and smooth, leathery fruit containing shiny seeds. The plant originated in southern USA. The plant contains various toxic chemicals (glycoside esculin, saponin aesc...more »
    492. Bovine spongiform encephalopathy
     This is a medical condition caused by the transmission of an infective prion causing an encephalopathy...more »
    493. Bowing of legs, anterior, with dwarfism
     A very rare syndrome characterized primarily by dwarfism and bowed lower leg bones. Only one or two reported cases of the condition....more »
    494. Brachioskeletogenital syndrome
     A rare syndrome characterized by...more »
    495. Brachycephaly -- deafness -- cataract -- mental retardation
     A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation....more »
    496. Brachycephaly -- deafness -- cataract -- microstomia -- mental retardation
     A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation....more »
    497. Brachydactyly -- dwarfism -- mental retardation
     A very rare syndrome characterized by short fingers, very short stature and mental retardation....more »
    498. Brachydactyly -- mesomelia -- mental retardation -- heart defects
     A rare genetic disorder characterized by mental retardation, heart defects, short digits and short limbs....more »
    499. Brachydactyly, mesomelia, mental retardation, aortic dilation, mitral valve prolapse and characteristic face
     A rare syndrome characterized by short digits, short limbs, mental retardation, aortic dilation, mitral valve prolapse and a characteristic face....more »
    500. Braddock Jones Superneau syndrome
     A very rare disorder characterized primarily by the premature fusion of skull bones (sagittal), the Dandy-Walker malformation and a buildup of fluid in the brain (hydrocephalus). The Dandy-Walker malformation is where a cyst develops in the back of the br...more »
    501. Brain -- bone -- fat
     A rare inherited disease characterized by bone cysts and progressive presenile dementia....more »
    502. Brain Concussion
     Trauma resulting in minor injury to the brain which causes a period of interrupted brain function. Simple concussions resolve themselves in about a week whereas more serious ones have persisting symptoms. The onset of symptoms may be delayed....more »
    503. Brain Fag syndrome
     A type of neurotic disorder that was first observed in white collar workers in Africa....more »
    504. Brain infection
     Infection of the brain including encephalitis...more »
    505. Brain tumor, adult
     A growth or tumor that develops in the tissues of the brain in adults. The tumor can be benign or malignant....more »
    506. Branchial clefts with characteristic facies, growth retardation, imperforate nasolacrimal duct
     A rare genetic disorder characterized by branchial defects, tear duct obstruction and pseudocleft of the upper lip....more »
    507. Branchial clefts with characteristic facies, growth retardation, imperforate nasolacrimal duct, and
     A rare genetic disorder characterized by branchial defects, tear duct obstruction and pseudocleft of upper lip....more »
    508. Branchio-Oculo-Facial Syndrome
     A rare genetic disorder characterized by branchial defects, lacrimal duct obstruction and pseudocleft of upper lip....more »
    509. Branchio-skeleto-genital syndrome
     A rare inherited disorder characterized by mental retardation, jaw anomalies, cleft palate, sunken chest and other abnormalities....more »
    510. Breast Duct Papilloma
     Benign tumour of the collecting duct of the breast....more »
    511. Breathing-related sleep disorder
     Breathing-related sleep disorder refers to a spectrum of breathing anomalies ranging from chronic or habitual snoring to upper airway resistance syndrome (UARS) to frank obstructive sleep apnea (OSA) or, in some cases, obesity hypoventilation syndrome (OH...more »
    512. Brief Psychotic Disorder
     Episodes of brief psychosis...more »
    513. Briquet syndrome
     A rare, chronic mental disorder characterized mainly by often claiming to have constant physical illness when none is able to be detected. It most often occurs in young females....more »
    514. Bristowe's syndrome
     Symptoms caused by a brain tumor that develops in the corpus callosum which connects the two brain hemispheres....more »
    515. Bromidrosiphobia
     An exaggerated or irrational fear of having unpleasant body odor....more »
    516. Bronchopulmonary dysplasia
     A rare form of infant lung disease that usually occurs as a complication of ventilator use in premature babies....more »
    517. Brown snake poisoning
     The Brown snake is a poisonous Australian snake. They are considered one of the most venomous snakes in the world and their bite can result in death without prompt medical attention. The snake venom contains toxins which affect the blood and nerve systems...more »
    518. Brown-Symmers disease
     A rare form of brain inflammation that occurs in children and can quickly lead to death. Symptoms usually start suddenly....more »
    519. Bulimia nervosa
     Eating disorder with binging (overeating) and purging (vomiting)....more »
    520. 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....more »
    521. Buntinx-Lormans-Martin syndrome
     A very rare syndrome characterized mainly by eye anomalies and fusion of the forearm bones....more »
    522. Bunyavirus
     Virus of the family bunyaviridae....more »
    523. Burnett's milk drinker's syndrome
     Burnett's milk drinker's syndrome is a condition where the body is too alkaline and the blood contains too much calcium which results in impaired kidney function. It can be caused by drinking large quantities of milk or using too many alkaline antacid rem...more »
    524. Burnett's syndrome
     Burnett's syndrome is a condition where the body is too alkaline and the blood contains too much calcium which results in impaired kidney function. It can be caused by drinking large quantities of milk or using too many alkaline antacid remedies. High vit...more »
    525. Burning mouth syndrome- Type 3
     A rare condition where there is a burning sensation in the mouth and tongue. Type 3 describes mouth burning that comes and goes during the day and is often linked to anxiety and allergies (especially food additives)....more »
    526. Burnout syndrome
     Severe stress caused by work-related physical or mental trauma....more »
    527. Buttiens-Fryns syndrome
     A rare genetic disorder characterized by a small jaw, small mouth and defects involving the hands and feet....more »
    528. C Syndrome
     A rare inherited disorder characterized by a triangular-shaped head, facial anomalies, joint contractures and loose skin....more »
    529. CACH syndrome
     A rare syndrome characterized mainly by childhood ataxia and reduced myelination of the cerebral nerves. Motor and mental development in the first few years of life is normal with progressive neurodegeneration occurring between 2 and 5 years of age. Fever...more »
    530. CAHMR syndrome
     A rare genetic disorder characterized mainly by excessive body hair (especially on the back, shoulders and sides of the face), cataracts and mental retardation....more »
    531. CCFDN
     A rare, recessively inherited syndrome characterized by cataracts during infancy, unusual facial appearance and neuropathy....more »
    532. CDG syndrome (generic term)
     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. The main symptom in all the disorders is psychomotor ...more »
    533. CDG syndrome type 1A
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervou...more »
    534. CFS subtype 1 (cognitive, musculoskeletal, sleep, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    535. CFS subtype 2 ( musculoskeletal, pain, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    536. CFS subtype 3 (mild)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    537. CFS subtype 4 (cognitive, musculoskeletal, sleep, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    538. CFS subtype 5 (musculoskeletal, gastrointestinal)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    539. CFS subtype 6 (postexertional)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    540. CFS subtype 7 (pain, infectious, musculoskeletal, sleep, neurological, gastrointestinal, neurocognitive, anxiety/depression)
     Chronic fatigue syndrome is a chronic condition which is characterized by symptoms such as severe persistent fatigue, depression, weakness, muscle pain and lack of energy. The condition is often debilitating and may be difficult to diagnose due to lack of...more »
    541. COACH syndrome
     A very rare syndrome characterized by ataxia, gaps or holes in various eye structures, mental retardation, liver fibrosis and brain abnormalities....more »
    542. COPD
     Severe obstruction of bronchial air flow typically from bronchitis and/or emphysema....more »
    543. Cadasil
     A rare inherited condition which affects the small blood vessels of the brain. Damage to the vessels causes strokes and other problems....more »
    544. Caffeine addiction
     Caffeine addiction is the uncontrollable craving for caffeine products such as coffee. Other caffeinated products include diet pills, chocolate, pain killers, cold remedies and soft drinks. Cessation causes withdrawal symptoms which can vary in nature and...more »
    545. Cainophobia
     An exaggerated or irrational fear of novelty....more »
    546. Calcification of basal ganglia with or without hypocalcemia
     Calcification of a part of the brain called the basal ganglia. That calcification may be associated with conditions such as hypothyroidism, cytomegalovirus, and AIDS or may occur for no apparent reason. The severity of the condition may vary greatly from ...more »
    547. California buckeye poisoning
     The California buckeye is a deciduous shrub which bears clusters of white or pink flowers and smooth, leathery fruit containing shiny seeds. The plant originated in California. The plant contains various toxic chemicals (glycoside esculin, saponin aescin)...more »
    548. Camera-Marugo-Cohen syndrome
     A rare syndrome characterized mainly by mental retardation, muscle weakness, obesity and an asymmetrical body....more »
    549. Camptodactyly syndrome, Guadalajara type 3
     A rare syndrome characterized mainly by retarded fetal growth and permanently flexed finger (camptodactyly)....more »
    550. Camptodactyly, tall stature, and hearing loss syndrome
     A rare syndrome characterized mainly by camptodactyly, tall stature and hearing loss. The hearing loss starts at birth or during infancy and progresses during childhood resulting in mild to severe hearing impairment....more »
    551. Canavan leukodystrophy
     A rare inherited disorder where a chemical imbalance in the brain leads to spongy degeneration of the central nervous system which results in progressive mental deterioration and associated symptoms....more »
    552. Cancerophobia
     An exaggerated or irrational fear of cancer....more »
    553. Cancerphobia
     An exaggerated or irrational fear of cancer....more »
    554. Cantu Sanchez-Corona Fragoso syndrome
     A rare syndrome characterized mainly by severe mental retardation, dwarfism and delayed puberty....more »
    555. Cantu Sanchez-Corona Garcia-cruz syndrome
     A rare syndrome characterized by mental retardation, short stature, large skull, heart anomaly and various other abnormalities....more »
    556. Cantú syndrome
     A rare syndrome characterized mainly by excessive growth of hair, enlarged heart and abnormal development of bone and cartilage...more »
    557. Capgras' syndrome
     A rare delusional disorder where the patient believes that a friend or relative has been replaced by a double or imposter. They may even view themselves as a double. The disorder is often associated with schizophrenia or some sort of brain injury or damag...more »
    558. Carbamate insecticide poisoning
     Excessive ingestion of carbamate insecticide drugs....more »
    559. Carbamoyl-phosphate synthase 1 deficiency
     A very rare inherited urea cycle disorder where the lack of the enzyme carbamoyl phosphate synthetase prevents ammonia from being turned into urea and being excreted in the urine. Excess ammonia builds up in the body which can cause serious complications ...more »
    560. Carbon Baby Syndrome
     A rare condition characterized by progressive increase in pigmentation of mucosal lining and skin....more »
    561. Carcinomatophobia
     An exaggerated or irrational fear of cancer....more »
    562. Carcinomophobia
     An exaggerated or irrational fear of cancer....more »
    563. Carcinophobia
     An exaggerated or irrational fear of cancer....more »
    564. Cardiac tamponade
     Symptoms caused by compression of the heart due to the accumulation of blood or fluid in the space between the heart muscle and the membrane covering the heart....more »
    565. Cardiocranial syndrome
     A rare syndrome characterized mainly by heart and skull abnormalities....more »
    566. Cardiofaciocutaneous Syndrome
     A rare genetic disorder characterized by short stature, congenital heart defects skin anomalies and frontal bossing....more »
    567. Cardiophobia
     An exaggerated or irrational fear of heart disease....more »
    568. Carukia barnesi sting
     The Irukandji jellyfish is a very small type of box jellyfish found mainly in the northern tropical waters of Australia. Their sting is not particularly painful by the ensuing symptoms can be severe and life-threatening....more »
    569. Cat Eye Syndrome
     A rare chromosomal disorder involving abnormalities of chromosome 22 and characterized by coloboma of the iris, down-slanting palpebral fissures and anal atresia....more »
    570. Cataract -- Hypertrichosis -- Intellectual Deficit
     A rare genetic disorder characterized mainly by excessive body hair (especially on the back, shoulders and sides of the face), cataracts and mental retardation....more »
    571. Cataract -- aberrant oral frenula -- growth delay
     A rare syndrome characterized by cataracts, growth problems and abnormal mouth tissue (frenulum)....more »
    572. Cataract -- ataxia -- deafness
     A rare syndrome characterized by cataracts, ataxia and progressive deafness....more »
    573. Cataract -- intellectual deficit -- anal atresia -- urinary defects
     A very rare syndrome characterized mainly by cataracts, mental retardation and genitourinary tract abnormalities and absent anal opening....more »
    574. Cataract deafness hypogonadism
     A very rare syndrome characterized mainly by deafness, cataracts and a deficiency of sex hormone production....more »
    575. Cataract dental syndrome
     A very rare inherited condition mainly involving eye abnormalities but also various other physical abnormalities. The type and severity of symptoms is variable....more »
    576. Catatonia
     Mental condition causing total rigidity...more »
    577. Catatonic syndrome
     A rare syndrome often seen in schizophrenics or associated with central nervous system disturbances or brain trauma. The symptoms tend to occur in episodes with periods of remission in between....more »
    578. Cathinone poisoning
     Cathinone comes from the leaves of the Khat plant which is native to eastern Africa. Cathinone is a stimulant as well as have pain killing, weight loss and neuromuscular effects. The psychoactive effects are usually utilized by chewing on the leaves of th...more »
    579. Cathisophobia
     An exaggerated or irrational fear of sitting down....more »
    580. Catoptrophobia
     An exaggerated or irrational fear of mirrors....more »
    581. Caudal appendage -- deafness
     A very rare syndrome characterized mainly by deafness, finger bone abnormalities and a spinal extension giving a tail-like appearance (caudal appendage)....more »
    582. Cayler syndrome
     A very rare disorder involving heart defects and abnormalities involving the lower lip muscle....more »
    583. Cebagin-induced lead poisoning
     Cebagin is a folk remedy used mainly by Middle Eastern people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk r...more »
    584. Celiac Disease
     Digestive intolerance to gluten in the diet....more »
    585. 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 int...more »
    586. 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 i...more »
    587. 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 intes...more »
    588. 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 int...more »
    589. 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...more »
    590. 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 i...more »
    591. 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 intes...more »
    592. 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 in...more »
    593. 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 ...more »
    594. 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 intes...more »
    595. 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 intes...more »
    596. 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 i...more »
    597. 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 intes...more »
    598. Celtophobia
     An exaggerated or irrational fear of Celts....more »
    599. Cenophobia
     An exaggerated or irrational fear of a void or open spaces....more »
    600. Central nervous system infections
    601. Central nervous system lymphoma, primary
     A type of lymphoma that occurs in the central nervous system (brain and spinal cord). A lymphoma consists of cancerous lymphocytes which are a type of white blood cell. Symptoms vary according to the location of the lymphoma....more »
    602. Central nervous system oxygen toxicity
     High oxygen levels which affects the central nervous system. The condition can occur during deep dives with fatal consequences....more »
    603. Central nervous system protozoal infections
     A protozoal infection of the central nervous system (spinal cord or brain). The infection may originate in the central nervous system (primary infection) or may spread from another part of the body (secondary infection). The infection may occur in otherwi...more »
    604. Central sleep apnea
     Central sleep apnea is when the person repeatedly stops breathing during sleep because the brain temporarily stops sending signals to the muscles that control breathing....more »
    605. Cephalic disorders
     Various congenital brain defects...more »
    606. Cephalosporin-induced Immune Hemolytic Anemia
     Cephalosporin-induced immune hemolytic anemia is a condition where a use of a medication called Cephalosporin triggers the body's immune system to destroy it's own red blood cells which results in anemia....more »
    607. Ceraunophobia
     An exaggerated or irrational fear of thunder and lightning....more »
    608. Cerebellar abscess
     An abscess that forms in the part of the brain called the cerebellum. The abscess may result from other infections such as ear infections, dental abscess and lung infections. The prognosis is determined by the size and exact location of the abscess...more »
    609. Cerebellar ataxia -- intellectual deficit -- optic atrophy -- skin abnormalities
     A rare syndrome characterized by ataxia, mental retardation, optic atrophy and skin abnormalities....more »
    610. Cerebellar hypoplasia
     A rare brain disorder where a part of the brain (cerebellum) fails to develop fully. The cerebellum is the part of the brain that controls balance and movement....more »
    611. Cerebellar hypoplasia -- tapetoretinal degeneration
     A rare disorder character where a part of the brain (cerebellum) is underdeveloped and a nonprogressive eye disorder involving the retinal pigments. The cerebellum is the part of the brain that controls balance and movement....more »
    612. Cerebellar vermis hypoplasia -- oligophrenia -- congenital ataxia -- coloboma -- hepatic fibrosis
     A very rare syndrome characterized by ataxia, gaps or holes in various eye structures, mental retardation, liver fibrosis and brain abnormalities....more »
    613. Cerebellum agenesis -- hydrocephaly
     A rare brain disorder which manifests as reduced muscle tone, ataxia, cataracts and mental retardation....more »
    614. Cerebral Amyloid Angiopathy, Familial
     A rare disorder where abnormal deposits of amyloid in the brain blood vessels causes spasticity, incoordination and dementia. Brain hemorrhage and strokes may also result in severe cases....more »
    615. Cerebral Atrophy
     Wasting away of the brain....more »
    616. Cerebral Autosomal Recessive Arteriopathy with Subcortical Infarcts and Leukoencephalopathy
     A rare inherited condition characterized primarily by progressive degeneration of the brain white matter and disease of the brain blood vessels as well as additional symptoms not involving the brain e.g. thin skin, alopecia and spinal disc disease....more »
    617. Cerebral Palsy
     Any brain disorder causing movement disability...more »
    618. Cerebral Palsy, Spastic Quadriplegic, 1
     Spastic quadriplegic cerebral palsy is a motor disorder (affects the muscles and movement) resulting from an injury to the brain. The main symptoms are spasticity, paralysis, poor muscle control and other neurological problems. Type 1 refers to a developm...more »
    619. Cerebral Palsy, Spastic Quadriplegic, 2
     Spastic quadriplegic cerebral palsy is a motor disorder (affects the muscles and movement) resulting from an injury to the brain. The main symptoms are spasticity, paralysis, poor muscle control and other neurological problems. Type 2 refers to a developm...more »
    620. Cerebral Palsy, Spastic Quadriplegic, 3
     Spastic quadriplegic cerebral palsy is a motor disorder (affects the muscles and movement) resulting from an injury to the brain. The main symptoms are spasticity, paralysis, poor muscle control and other neurological problems. Type 3 refers to a developm...more »
    621. Cerebral abscess
     An abscess that forms in the part of the brain called the cerebrum. The abscess may result from other infections such as ear infections, dental abscess and lung infections. The prognosis is determined by the size and exact location of the abscess....more »
    622. Cerebral astrocytoma, adult
     A very rare tumor that occurs in adults and develops in brain cells called astrocytes. The part of the brain involved is the cerebrum at the top of the head which controls functions such as reading, writing, thinking, learning, speech, emotion and volunta...more »
    623. Cerebral contusion
     Injury of the cerebrum often causing bruising when the skin is not broken....more »
    624. Cerebral hemorrhage with amyloidosis, hereditary, Dutch type
     An inherited condition characterized mainly by brain hemorrhage and amyloid deposits in the brain blood vessels. The size and location of the hemorrhage determines the severity of symptoms. The condition was first described in a Dutch family....more »
    625. Cerebral sarcoma
     A type of brain tumor that can be inherited in an autosomal dominant manner. The tumor arises from blood vessels in the brain. Symptoms may vary depending on the size and exact location of the tumor....more »
    626. Cerebral ventricle neoplasm
     A tumor that occurs in the fluid-filled spaces of the brain called the ventricles. Symptoms vary depending on the size and exact location of the tumor and whether it is cancerous or not....more »
    627. Cerebro oculo genital syndrome
     A very rare syndrome characterized mainly by brain, eye and genital abnormalities....more »
    628. Cerebro oculo skeleto renal syndrome
     A very rare syndrome characterized mainly by brain, eye, skeletal and kidney abnormalities....more »
    629. Cerebro-facio-thoracic dysplasia
     A very rare syndrome characterized by mental retardation, spinal and rib defects and facial anomalies....more »
    630. Cerebro-oculo-nasal syndrome
     A rare syndrome characterized mainly by eye, nose and brain malformations....more »
    631. Cerebrorenodigital syndrome
     A rare group of syndromes characterized mainly by brain, kidney, finger and toe abnormalities....more »
    632. Cerebrotendinous Xanthomatosus
     A rare syndrome where a genetic mutation results in a metabolic disorders caused by a deficiency of sterol 27-hydroxylase deficiency. The condition causes progressive neurological dysfunction, cataracts and premature atherosclerosis. Deposits of cholester...more »
    633. Ceroid lipofuscinosis, neuronal 1, infantile
     A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (palmitoyl-protein thioesterase) needed to process it....more »
    634. Ceroid lipofuscinosis, neuronal 10
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 10 involves a deficiency of cathepsin D and involves an initial period of normal development with neurodegenerative ...more »
    635. Ceroid lipofuscinosis, neuronal 3, Juvenile
     A progressive genetic disorder where defective lipid metabolism that causes blindness, neurological deterioration, dementia leading to total incapication within years and death within 10-15 years....more »
    636. Ceroid lipofuscinosis, neuronal 4
     A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (lipopigments) in body tissues due to deficiency of an enzyme (palmitoyl-protein thioesterase 1) needed to process it....more »
    637. Ceroid lipofuscinosis, neuronal 8
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 8 is distinguished from other types by the origin of the genetic defect....more »
    638. Ceroid lipofuscinosis, neuronal 8, northern epilepsy variant
     A rare metabolic disorder that affects the nerve cells of the body and is characterized by the deposits of lipopigments (lipofuscin). Type 8, northern epilepsy variant is distinguished from other types by the origin of the genetic defect. Mental retardati...more »
    639. Cervicooculoacoustic syndrome
     A rare genetic disorder characterized by ocular palsy, congenital perceptive deafness and fusion of the vertebrae in the neck....more »
    640. Chaetophobia
     An exaggerated or irrational fear of hair....more »
    641. Charcot-Marie-Tooth disease, X-linked recessive, 4
     CMT is an inherited neurological disease characterized by the gradual degeneration of nerves which starts in the hands and feet and results in progressive numbness, muscle weakness and loss of function. Type 4X is an inherited defect of the X chromosome a...more »
    642. Chat room addiction
     Chat room addiction refers to the excessive amounts of time spent on computer chat rooms. When the person attempts to reduce the amount of time spent on the activity they suffer withdrawal symptoms such as irritability and anxiety. The preoccupation can c...more »
    643. Cheimatophobia
     An exaggerated or irrational fear of cold....more »
    644. Chemical addiction
     Addiction to and abuse of various substances....more »
    645. Chemical poisoning
     Morbid condition caused by chemical....more »
    646. Chemical poisoning -- 1,3-Butadiene
     1,3-Butadiene is a chemical used in crop fungicides, carpet backing, paper coating and foams. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    647. Chemical poisoning -- Acetylsalicylic Acid
     Acetylsalicylic Acid is also known as aspirin and is primarily used to relieve pain, fever and inflammation. Excessive exposure to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical involv...more »
    648. Chemical poisoning -- Acrylamide
     Acrylamide is a chemical used mainly in the treatment of waste water, grout agent, paper strengthening agent and adhesive agents. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    649. Chemical poisoning -- Acrylonitrile
     Acrylonitrile is a chemical used mainly in the production of acrylic and modacrylic fibers but also in the production of certain plastics, nylon dyes, drugs and pesticides. Ingestion and other exposures to the chemical can cause various symptoms. The type...more »
    650. Chemical poisoning -- Amidithion
     Amidithion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    651. Chemical poisoning -- Amiton
     Amiton is a chemical once used as an insecticide and acaricide - it is no longer in use due to its nerve toxicity. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and seve...more »
    652. Chemical poisoning -- Amitraz
     Amitraz is a chemical used mainly as a topical parasitic preventative in livestock and fruit trees. It is also used as an insect repellant and a prevention of mite infestation. The chemical is readily absorbed through the skin. The type and severity of sy...more »
    653. Chemical poisoning -- Amitrole
     Amitrole is a herbicide. 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....more »
    654. Chemical poisoning -- Ammonium Sulfamate
     Ammonium Sulfamate is a chemical used mainly in herbicides, fertilizers and. 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 ...more »
    655. Chemical poisoning -- Athyl-Gusathion
     Athyl-Gusathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    656. Chemical poisoning -- Azinfos-methyl
     Azinfos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    657. Chemical poisoning -- Azinfosethyl
     Azinfosethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the...more »
    658. Chemical poisoning -- Azinophos-methyl
     Azinophos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    659. Chemical poisoning -- Azinphos
     Azinphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    660. Chemical poisoning -- Azinphos-ethyl
     Azinphos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    661. Chemical poisoning -- Azinphos-methyl
     Azinphos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    662. Chemical poisoning -- Azinphosmetile
     Azinphosmetile is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    663. Chemical poisoning -- Azothoate
     Azothoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    664. Chemical poisoning -- Baking soda
     Baking soda is generally considered non toxic and is used in cooking. However, excessive doses can cause various symptoms....more »
    665. Chemical poisoning -- Benoxafos
     Benoxafos is a chemical pesticide used as an acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical...more »
    666. Chemical poisoning -- Benzene
     Benzene is a chemical used mainly in gasoline fuel and as an industrial solvent. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    667. Chemical poisoning -- Benzyl Chloride
     Benzyl Chloride is a chemical used mainly in the manufacture of products such as dyes, plastics, tannins, perfumes,. Fuel additives, resins, germicides, rubbers, perfumes photographic developers, wetting agents, drugs and pharmaceuticals. It is also used ...more »
    668. 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. ...more »
    669. Chemical poisoning -- Bromethalin
     Bromethalin is a chemical used mainly in rodenticides. The chemical is toxic to the human nerve system. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical ...more »
    670. Chemical poisoning -- Bromide
     Bromide is a chemical used for many applications - flame retardant, industrial uses, pesticides, sanitary products, fumigants, medicines, dyes, photographic solutions and water purification. Bromides act as central nervous system depressants and the inges...more »
    671. Chemical poisoning -- Bromophos
     Bromophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    672. Chemical poisoning -- Bromophos-ethyl
     Bromophos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    673. Chemical poisoning -- Cadusafos
     Cadusafos is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    674. Chemical poisoning -- Camphor
     Camphor is a chemical used mainly in moth repellents, pharmaceuticals (preservative) cosmetics, explosives, varnishes and various therapeutic applications. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of ...more »
    675. Chemical poisoning -- Carbaryl
     Carbaryl is a carbamate pesticide used mainly as an insecticide and acaricide. 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 o...more »
    676. Chemical poisoning -- Carbon Disulfide
     Carbon Disulfide is a chemical used mainly in corrosion inhibitors, cold and nickel plating, photography applications and as a solvent in gums and resins. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of s...more »
    677. Chemical poisoning -- Carbon Tetrachloride
     Carbon tetrachloride is a chemical used mainly in grain fumigants, insecticides and in the production of fluorocarbons. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type a...more »
    678. Chemical poisoning -- Carbophenothion
     Carbophenothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    679. Chemical poisoning -- Chloralose
     Chloralose is a chemical used mainly in poisons for rodents and crows . 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 e...more »
    680. Chemical poisoning -- Chlordane
     Chlordane is a poison use to control termites - is banned in the US and many other countries due to its harmful effects. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through the skin. The type ...more »
    681. Chemical poisoning -- Chlordecone
     Chlordecone is an insecticide used to control pests in crops such as bananas and tobacco. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms va...more »
    682. Chemical poisoning -- Chlorfenvinphos
     Chlorfenvinphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    683. Chemical poisoning -- Chloromethane
     Chloromethane is a chemical used mainly in the production of silicones as well as agricultural chemicals, butyl rubber and other products. Ingestion and other exposures to the chemical can cause various symptoms. The chemical is readily absorbed through t...more »
    684. Chemical poisoning -- Chloropicrin
     Chloropicrin is a chemical used mainly in fumigants for grain storage. 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 ex...more »
    685. Chemical poisoning -- Chloropyrifos
     Chloropyrifos is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies dep...more »
    686. Chemical poisoning -- Chlorpyrifos methyl
     Chlorpyrifos methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending...more »
    687. Chemical poisoning -- Cologne
     Colognes contain chemicals such as ethanol and isopropanol which can cause symptoms if ingested or inhaled in excessive quantities. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    688. Chemical poisoning -- Cyanthoate
     Cyanthoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    689. Chemical poisoning -- DDD
     DDD is a chemical used mainly as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical inv...more »
    690. Chemical poisoning -- DDT
     DDT is a chemical used mainly as a pesticide. Ingestion and other exposures to the chemical can cause various symptoms. The chemical may be readily absorbed through the skin. The type and severity of symptoms varies depending on the amount of chemical inv...more »
    691. Chemical poisoning -- Demeton
     Demeton-S is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    692. Chemical poisoning -- Demeton-O
     Demeton-O is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    693. Chemical poisoning -- Demeton-O-methyl
     Demeton-O-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    694. Chemical poisoning -- Demeton-S-methyl
     Demeton-S-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on...more »
    695. Chemical poisoning -- Demeton-S-methylsulphon
     Demeton-S-methylsulphon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depen...more »
    696. Chemical poisoning -- Demeton-methyl
     Demeton-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    697. Chemical poisoning -- Dialifos
     Dialifos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    698. Chemical poisoning -- Diazinon
     Diazinon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    699. Chemical poisoning -- Dichlorvos
     Dichlorvos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    700. Chemical poisoning -- Dimethoate
     Dimethoate is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    701. Chemical poisoning -- Dioxathion
     Dioxathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    702. Chemical poisoning -- Disulfoton
     Disulfoton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    703. Chemical poisoning -- Endothion
     Endothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    704. Chemical poisoning -- Ethion
     Ethion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    705. Chemical poisoning -- Ethoate-methyl
     Ethoate-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    706. Chemical poisoning -- Ethoprophos
     Ethoprophos is a chemical pesticide used as an insecticide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chem...more »
    707. Chemical poisoning -- Ethyl-guthion
     Azinphos-ethyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    708. Chemical poisoning -- Ethylamine
     Ethylamine is a chemical used mainly in the manufacture of dyes, rayon, rocket propellant, as a fuel additive and in leather-tanning and cellulose treatment. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity o...more »
    709. Chemical poisoning -- Ethylbenzene
     Ethylbenzene is a chemical used mainly in paint thinners, fuels, asphalt, degreasers, manufacture of various as products and as a solvent. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies d...more »
    710. Chemical poisoning -- Etrimfos
     Etrimfos is a chemical insecticide. The chemical is an organophosphorus compound and 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 na...more »
    711. Chemical poisoning -- Fenchlorphos
     Fenchlorphos is a chemical insecticide. The chemical is an organophosphorus compound and 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 th...more »
    712. Chemical poisoning -- Fenitrothion
     Fenitrothion is a chemical insecticide. The chemical is an organophosphorus compound and 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 th...more »
    713. Chemical poisoning -- Fensulfothion
     Fensulfothion is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on t...more »
    714. Chemical poisoning -- Fenthion
     Fenthion is a chemical pesticide used as an insecticide and avicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    715. Chemical poisoning -- Fonophos
     Fonophos is a chemical insecticide. The chemical is an organophosphorus compound and 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 na...more »
    716. Chemical poisoning -- Formothion
     Formothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    717. Chemical poisoning -- Gasoline
     Gasoline is a chemical used as a fuel for combustion engines. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    718. Chemical poisoning -- Glaze
     Glazes are used to put a shiny finish on various surfaces such as pottery. Glazes contain chemicals such as lead and zinc oxide which can cause serious symptoms if sufficient quantities are eaten. The chemicals cause damage to the gastrointestinal lining ...more »
    719. Chemical poisoning -- Guthion (ethyl)
     Guthion (ethyl) is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    720. Chemical poisoning -- Heptenophos
     Heptenophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    721. Chemical poisoning -- Hydrogen Sulfide
     Hydrogen Sulfide is a chemical that can be used in production processes (paper, tanneries, sulfide ores) or it may be a byproduct of certain industries. It is also found naturally in sewers and manure. Ingestion and other exposures to the chemical can cau...more »
    722. Chemical poisoning -- Iodofenphos
     Iodofenphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    723. Chemical poisoning -- Lysergic Acid Diethylamide
     Lysergic Acid Diethylamide is a hallucinogenic drug which is often misused. 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 t...more »
    724. Chemical poisoning -- Malathion
     Malathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    725. Chemical poisoning -- Manganese
     Manganese is a chemical used mainly in fertilizers, welding rods, matches, electrical coils, ceramics and animal food additives. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending o...more »
    726. Chemical poisoning -- Mecarbam
     Mecarbam is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    727. Chemical poisoning -- Metaldehyde
     Metaldehyde is a chemical used mainly as a molluscicide, in heating fuel and in fire lighters. 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 ...more »
    728. Chemical poisoning -- Methacrifos
     Methacrifos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    729. Chemical poisoning -- Methacrylate
     Methacrylate is a chemical used mainly in plastics, adhesives and bone cements. 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 ...more »
    730. Chemical poisoning -- Methamidophos
     Methamidophos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    731. Chemical poisoning -- Methanol
     Methanol is a chemical used mainly in fuel, paint removers, solvent, antifreeze and in the production process of many other products. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    732. Chemical poisoning -- Methidathion
     Methidathion is a chemical insecticide. The chemical is an organophosphorus compound and 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 th...more »
    733. Chemical poisoning -- Methyl Bromide
     Methyl Bromide is a chemical used mainly in insecticides, fire extinguishers, wool degreasers and oil extraction. The chemical may be absorbed through the skin. Ingestion and other exposures to the chemical can cause various symptoms. The type and severit...more »
    734. Chemical poisoning -- Metiltriazotion
     Metiltriazotion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on ...more »
    735. Chemical poisoning -- Mevinphos
     Mevinphos is a chemical insecticide. The chemical is an organophosphorus compound and 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 n...more »
    736. Chemical poisoning -- Monocrotophos
     Monocrotophos is a chemical insecticide. The chemical is an organophosphorus compound and 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 t...more »
    737. Chemical poisoning -- Nitrotoluene
     Nitrotoluene is a chemical used mainly in industrial applications for the production of things such as agricultural chemicals, explosives, rubber chemicals, sulfur dyes and azo dyes. Ingestion and other exposures to the chemical can cause various symptoms...more »
    738. Chemical poisoning -- Omethoate
     Omethoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    739. Chemical poisoning -- Oxydeprofos
     Oxydeprofos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    740. Chemical poisoning -- Oxydisulfoton
     Oxydisulfoton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    741. Chemical poisoning -- Parathion
     Parathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    742. Chemical poisoning -- Parathion Methyl
     Parathion Methyl is a chemical insecticide. The chemical is an organophosphorus compound and 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 an...more »
    743. Chemical poisoning -- Phencyclidine
     Phencyclidine is often used as an illegal recreational drug. 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....more »
    744. Chemical poisoning -- Phenkapton
     Phenkapton is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    745. Chemical poisoning -- Phorate
     Phorate is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending...more »
    746. Chemical poisoning -- Phosalone
     Phosalone is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    747. Chemical poisoning -- Phosmet
     Phosmet is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amou...more »
    748. Chemical poisoning -- Phosphamidon
     Phosphamidon is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    749. Chemical poisoning -- Phosphine
     Phosphine is a chemical used mainly in pesticides and rodenticides. 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 expos...more »
    750. Chemical poisoning -- Phoxim
     Phoxim is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amoun...more »
    751. Chemical poisoning -- Pirimiphos-methyl
     Pirimiphos-methyl is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending o...more »
    752. Chemical poisoning -- Primiphos methyl
     Primiphos methyl is a chemical insecticide. The chemical is an organophosphorus compound and 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 an...more »
    753. Chemical poisoning -- Propoxur
     Propoxur is a carbamate pesticide used mainly as an insecticide and acaricide. 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 o...more »
    754. Chemical poisoning -- Prothidathion
     Prothidathion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on th...more »
    755. Chemical poisoning -- Prothoate
     Prothoate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    756. Chemical poisoning -- Pyrimitate
     Pyrimitate is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    757. Chemical poisoning -- Quinalphos
     Quinalphos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    758. Chemical poisoning -- Quintiofos
     Quintiofos is a chemical pesticide used as an acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemica...more »
    759. Chemical poisoning -- Sodium Monofluoroacetate
     Sodium Monofluoroacetate is a chemical used mainly as a rodenticides, often to control mammal pests in crops. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of che...more »
    760. Chemical poisoning -- Solder
     Solder contains various chemicals and heavy metals which can cause serious symptoms if sufficient quantities are swallowed. The type and severity of symptoms varies depending on the amount of chemical involved and the nature of the exposure....more »
    761. Chemical poisoning -- Sophamide
     Sophamide is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    762. Chemical poisoning -- Strychnine
     Strychnine is 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....more »
    763. Chemical poisoning -- Sulfotep
     Sulfotep is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amo...more »
    764. Chemical poisoning -- Terbufos
     Terbufos is a chemical pesticide used as an insecticide and nematicide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    765. Chemical poisoning -- Tetrachloroethylene
     Tetrachloroethylene is a chemical used mainly as a fabric dry cleaner, degreaser, worming treatment for animals and in the manufacture of freons. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms v...more »
    766. Chemical poisoning -- Thallium
     Thallium is an element used for such things as electronic devices, selenium rectifiers, gamma radiation detection apparatus, transmission equipment and infrared radiation detection. It is also used as a catalyst in various manufacturing processes. Ingesti...more »
    767. 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 a...more »
    768. Chemical poisoning -- Thiometon
     Thiometon is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    769. Chemical poisoning -- Tolclofos methyl
     Tolclofos methyl is a chemical insecticide. The chemical is an organophosphorus compound and 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 an...more »
    770. Chemical poisoning -- Toluene
     Toluene is a chemical used mainly in pesticides, degreasers, glues and pain removers. 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 n...more »
    771. Chemical poisoning -- Triazophos
     Triazophos is a chemical pesticide used as an insecticide, nematicide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depend...more »
    772. Chemical poisoning -- Triazotion
     Triazotion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the a...more »
    773. Chemical poisoning -- Trichloroethane
     Trichloroethane is a chemical used mainly as an industrial solvent but also in inks and lubricants. Ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the amount of chemical invo...more »
    774. Chemical poisoning -- Trifenfos
     Trifenfos is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the am...more »
    775. Chemical poisoning -- Vamidothion
     Vamidothion is a chemical pesticide used as an insecticide and acaricide. The chemical is an organophosphorus compound and ingestion and other exposures to the chemical can cause various symptoms. The type and severity of symptoms varies depending on the ...more »
    776. Chemical poisoning -- Xylene
     Xylene is a chemical used mainly in pesticides and in the manufacture of glue, paint, paper, rubber, pharmaceuticals and polymers. It is also used as a solvent and clarifier for microscopic tissue examinations in laboratories. Ingestion and other exposure...more »
    777. Cherophobia
     An exaggerated or irrational fear of gaiety....more »
    778. Chiari Malformation
     Protrusion of the brain down the spinal column....more »
    779. Chickenpox -- Teratogenic Agent
     There is strong evidence to indicate that the development of Chickenpox 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 sta...more »
    780. Child abuse
     Physical, sexual, emotional abuse or neglect of child....more »
    781. Childhood depression
     Childhood depression is just as serious as adult depression. However, it is important to recognize that children have unique signs to be aware of when recognizing and diagnosing depression....more »
    782. Childhood disintegrative disorder
     A rare disorder where a period of normal development (a couple of years) is followed by delays in the development of motor, social and language skills. Previously acquired skills are lost....more »
    783. Childhood-Onset Schizophrenia
     A rare early-onset form of the mental disorder called schizophrenia. Symptoms start before the age of thirteen. Symptoms usually start gradually and are often preceded by slow motor, speech and language development....more »
    784. Childhood-onset bipolar disorder
     Bipolar disorder is a serious mental illness characterized by recurrent episodes of depression, mania, and/or mixed symptom states. These episodes cause unusual and extreme shifts in mood, energy, and behavior that interfere significantly with normal, hea...more »
    785. Childhood-onset cerebral X-linked adrenoleukodystrophy
     A rare genetic disorder characterized by progressive degeneration of the protective sheath around nerves resulting in increasing difficulty. The childhood cerebral form of the condition is the most severe....more »
    786. Chinophobia
     An exaggerated or irrational fear of snow....more »
    787. Chitayat-Moore-Del Bigio syndrome
     A rare birth disorder characterized mainly by brain abnormalities, large head and facial anomalies....more »
    788. Chitty-Hall-Webb syndrome
     A very rare syndrome characterized mainly by fractures, bowed shin bones, abnormal forearm bone (radius) and reduced bone mass....more »
    789. Chloramphenicol-induced Sideroblastic anemia
     Chloramphenicol-induced sideroblastic anemia is a blood disorder caused by taking a drug called chloramphenicol. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red bloo...more »
    790. Cholerophobia
     An exaggerated or irrational fear of cholera....more »
    791. Cholestasis disease of pregnancy
     A liver condition that can occur usually in the last stage of pregnancy. The flow of bile in the gallbladder or liver is impaired by the high levels of pregnancy hormones. The bile acids build up in the organs and then enter the bloodstream. The main symp...more »
    792. Chondrodysplasia -- disorder of sex development
     A very rare syndrome characterized mainly by severe dwarfism, abnormal bone development and central nervous system and eye problems....more »
    793. Chondrodysplasia -- pseudohermaphrodism
     A very rare syndrome characterized mainly by severe dwarfism, abnormal bone development and central nervous system and eye problems....more »
    794. Chondrodysplasia punctata
     A group of inherited disorder affecting the skeleton, skin, eyes and mental function. The disorders are characterized mainly by stippled epiphyses (abnormal calcification near joints) during infancy. The various forms of the disorders have varying severit...more »
    795. Chondrodysplasia punctata with steroid sulfatase deficiency
     A genetic skeletal and skin disorder involving a deficiency of steroid sulfatase. The skin condition is characterized by large brownish scales which can occur almost anywhere on the skin and can be disfiguring. The face, scalp, palms and soles are usually...more »
    796. Chondrodysplasia punctata, non rhizomelic type
     A group of inherited disorder affecting the skeleton, skin, eyes and mental function. The disorders are characterized mainly by stippled epiphyses (abnormal calcification near joints) during infancy. The non-rhizomelic forms tend to be milder, with minima...more »
    797. Choreoacanthocytosis amyotrophic
     A rare inherited disease involving neurological degeneration and abnormal red blood cell shape. The disorder progresses slowly and causes involuntary movements, loss of cognitive ability, behavioral changes and seizures....more »
    798. Chorioretinopathy dominant form -- microcephaly
     A rare inherited disorder characterized by a small head, mental retardation and a degenerative eye condition....more »
    799. Choroid Plexus neoplasms
     A rare type of brain tumor that originates in the choroids plexus. The choroids plexus is located inside a space in the brain called the ventricles and produces cerebrospinal fluid. Symptoms are determined by the size, type and exact location of the tumor...more »
    800. Choroido cerebral calcification syndrome infantile form
     A rare syndrome characterized by abnormal calcification in part of the brain and mental retardation....more »
    801. Chrematophobia
     An exaggerated or irrational fear of wealth....more »
    802. Christian-Demyer-Franken syndrome
     A rare syndrome characterized mainly by mental retardation and skeletal abnormalities....more »
    803. Christmas Cherry poisoning
     The Christmas Cherry is a small reddish-orange fruit. The plant contains a compound called solanocapsine which can cause symptoms if excessive amounts are consumed. The compound is found in all parts of the plant - especially the leaves and unripe fruit. ...more »
    804. Christmas Rose poisoning
     The Christmas Rose plant contains proteoanemonin which can cause blisters and saponins which can cause irritation. The plant is found mainly in Europe. All parts of the plant are poisonous....more »
    805. Chrometophobia
     An exaggerated or irrational fear of money....more »
    806. Chromophobia
     An exaggerated or irrational fear of colors....more »
    807. Chromosome 1, 1p36 deletion syndrome
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as heart problems, mental retardation, developmental delay, facial dysmorphism and short stature. The symptoms are variable depending on the exact lo...more »
    808. Chromosome 1, deletion q21 q25
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as retarded fetal growth, osteoporosis, facial anomalies and hearing loss....more »
    809. Chromosome 1, monosomy 1p22 p13
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as mental retardation, short stature, hearing loss and hand defects....more »
    810. Chromosome 1, monosomy 1p31 p22
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as mental retardation, missing teeth and small eyes and jaw....more »
    811. Chromosome 1, monosomy 1p32
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as mental retardation, clubfoot an umbilical hernia....more »
    812. Chromosome 1, monosomy 1p34 p32
     A rare chromosomal disorder where deletion of a portion of chromosome 1 causes various abnormalities such as mental retardation, fingernail anomalies and testicular problems....more »
    813. 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....more »
    814. 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....more »
    815. Chromosome 1, proximal deletion
    816. Chromosome 1, pter-p36
     A very rare chromosomal disorder where the end portion of the short arm of chromosome 1 is missing. The type and severity of symptoms is variable....more »
    817. Chromosome 1, trisomy 1q32 qter
     A rare chromosomal disorder where duplication of a portion of chromosome 1 causes various abnormalities such as retarded fetal growth, facial anomalies, mental retardation, stillbirth, heart defects and finger and toe abnormalities....more »
    818. Chromosome 1, trisomy 1q42 qter
     A rare chromosomal disorder where duplication of a portion of chromosome 1 causes various abnormalities such as clubfoot, poor muscle tone, neurological dysfunction, short stature, mental retardation and narrowing of the pulmonary arteries and valves....more »
    819. Chromosome 1, uniparental disomy 1q12 q21
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    820. Chromosome 10 ring syndrome
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 10 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    821. Chromosome 10, Monosomy 10p
    822. Chromosome 10p deletion syndrome
     A rare chromosomal disorder where there is a deletion of the short arm (p) of chromosome 10 resulting in variable abnormalities....more »
    823. Chromosome 10p duplication/10q deletion syndrome
     A rare chromosomal disorder where a section of the short arm (p) of chromosome 10 is duplicated and a section of the long arm (q) of chromosome 10 is deleted resulting in various abnormalities....more »
    824. Chromosome 11, Partial Monosomy 11q
     A very rare chromosomal disorder involving the absence of a portion of chromosome 11q. The range and severity of symptoms is determined by the size of the portion that is deleted....more »
    825. Chromosome 11, Partial Trisomy 11q
     A very rare genetic disorder caused by a duplication of part of chromosome 11q. The characteristic symptoms of the disorder are delayed growth before and after birth, mental retardation (varying severity) and skull and facial defects. The type and severit...more »
    826. Chromosome 11, deletion 11p
     A syndrome that is caused by the deletion of short arm (p) of chromosome 11. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    827. Chromosome 11p, partial deletion
     A rare genetic syndrome caused by the deletion of part of the genetic material in the short arm of chromosome 11. The type and severity of symptoms may vary depending on the exact size and location of the genetic material that is missing. The genetic abno...more »
    828. Chromosome 11q duplication syndrome
     A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 11 rather than the normal two resulting in various abnormalities. The type and severity of symptoms depend on the amount and location of genetic material duplicated...more »
    829. Chromosome 11q partial deletion
     A rare chromosomal disorder where a portion of chromosome 11 is missing and is characterized by trigonencephaly, heart defects and a large, carp-shaped mouth....more »
    830. Chromosome 12 ring syndrome
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 12 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    831. Chromosome 12 trisomy
     A rare chromosomal disorder where there are three copies of chromosome 12 rather than the normal two resulting in various abnormalities....more »
    832. Chromosome 12, Isochromosome 12p Mosaic
     A very rare disorder genetic disorder involving abnormalities in chromosome 12. The severity of symptoms is variable and tends to include a wide range of defects and abnormalities....more »
    833. Chromosome 12, trisomy 12q
     A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 12 rather than the normal two resulting in various abnormalities. In most cases, death occurs during infancy. The type and severity of symptoms varies depending on ...more »
    834. Chromosome 12p deletion
     A rare chromosomal disorder where there is a deletion of the short arm (p) of chromosome 12 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    835. Chromosome 12p deletion syndrome
     A rare chromosomal disorder where there is a deletion of the short arm (p) of chromosome 12 resulting in various abnormalities....more »
    836. Chromosome 12p partial deletion
     A rare chromosomal disorder where there is a deletion of the short arm (p) of chromosome 12 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    837. Chromosome 12p tetrasomy syndrome
     A rare chromosomal disorder where there are four copies of the short arm (p) of chromosome 12 rather than the normal two resulting in various abnormalities....more »
    838. Chromosome 12q duplication syndrome
     A rare chromosomal disorder where there are three copies of the long arm (q) of chromosome 12 rather than the normal two resulting in various abnormalities. In most cases, death occurs during infancy....more »
    839. Chromosome 13 trisomy syndrome
     A rare chromosomal disorder where there are three copies of chromosome 13 rather than the normal two resulting in various abnormalities. Most die within months and there are few survivors after 10 years....more »
    840. Chromosome 13, Partial Monosomy 13q
     A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic m...more »
    841. Chromosome 13p duplication
     A rare chromosomal disorder where duplication of a portion of chromosome 13 causes various abnormalities such as mental retardation, short stature, facial dysmorphism, delayed puberty and heart defects....more »
    842. Chromosome 13q deletion
     A rare chromosomal disorder where the long arm (q) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms is determined by the amount and location of the deleted genetic m...more »
    843. Chromosome 13q duplication syndrome
     A rare chromosomal disorder where the long arm (q) of chromosome 13 is duplicated resulting in various physical, neurological and developmental abnormalities....more »
    844. Chromosome 14 Ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 14 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    845. Chromosome 14 deletion
     A rare genetic disorder where deletion genetic material from chromosome 14 causes various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic material that is deleted....more »
    846. Chromosome 14 trisomy
     A rare chromosomal disorder involving duplication of genetic material from chromosome 14 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is duplicated....more »
    847. Chromosome 14 trisomy syndrome
     A rare chromosomal disorder involving duplication of genetic material from chromosome 14 resulting in various abnormalities....more »
    848. Chromosome 14 uniparental disomy syndrome
     A rare chromosomal disorder where two homologues are obtained from one parent....more »
    849. Chromosome 14, trisomy mosaic
     A rare chromosomal disorder characterized by retarded growth before and after birth, mental retardation, developmental delay and various physical abnormalities. The type and severity of symptoms may vary between patients....more »
    850. Chromosome 14q deletion syndrome
     A rare chromosomal disorder involving deletion of genetic material from the long arm (q) of chromosome 14 resulting in various abnormalities....more »
    851. Chromosome 14q, proximal duplication
     A rare chromosomal disorder where duplication of a portion of chromosome 14 causes various abnormalities such as facial dysmorphism, limb abnormalities, mental retardation and short stature....more »
    852. Chromosome 14q, terminal deletion
     A very rare syndrome caused by a deletion of a part of the material on chromosome 14 and resulting in various abnormalities such as mental retardation and short fingers....more »
    853. Chromosome 14q, terminal duplication
     A very rare syndrome caused by a duplication of a part of the material on chromosome 14 and resulting in various abnormalities such as retarded growth, hearing loss and mental retardation....more »
    854. Chromosome 15 Ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 15 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    855. Chromosome 15 inverted duplication
     A rare chromosomal disorder involving an duplicated section of chromosome 15 which is reversed end-to-end resulting in various abnormalities....more »
    856. Chromosome 15 trisomy
     A rare chromosomal disorder involving an extra copy of genetic material from chromosome 15....more »
    857. Chromosome 15q duplication syndrome
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    858. Chromosome 15q tetrasomy syndrome
     A rare chromosomal disorder where there are four copies of a portion of the long arm of chromosome 15 instead of the normal two resulting in various abnormalities....more »
    859. Chromosome 15q triplication syndrome
     A rare chromosomal disorder where there are three copies of a part of the long arm of chromosome 15 resulting in various anomalies....more »
    860. Chromosome 15q, deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 15....more »
    861. Chromosome 15q, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the deleted genetic material....more »
    862. Chromosome 15q, partial duplication (distal q arm)
     A rare chromosomal disorder involving an extra copy of genetic material from the distal part of the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    863. Chromosome 15q, tetrasomy
     A rare chromosomal disorder where there are four copies of a portion of the long arm of chromosome 15 instead of the normal two resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the ...more »
    864. Chromosome 15q, trisomy
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 15. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    865. Chromosome 15q13.3 microdeletion syndrome
     A genetic disorder characterized by the deletion of a small portion of genetic material at the chromosomal location of 15q13.3. A rare syndrome characterized mainly by seizures, mental retardation, and slightly unusual facial features....more »
    866. Chromosome 15q26-qter Deletion Syndrome
     A rare disorder where a portion of genetic material on a particular chromosomal location (15q26-qter) is missing which manifests in a variable range of symptoms....more »
    867. 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....more »
    868. Chromosome 16q, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    869. Chromosome 17 deletion
     A rare genetic disorder where deletion genetic material from chromosome 17 causes various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic material that is deleted....more »
    870. Chromosome 17 ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 17 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    871. Chromosome 17 trisomy
     A rare genetic disorder where duplication of genetic material from chromosome 17 causes various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic material that is duplicated....more »
    872. Chromosome 17 trisomy mosaicism
     A rare chromosomal disorder where there are three copies of chromosome 17 in some of the body's cells. The type of symptoms and severity is determined by the number of cells that have the three copies. Some cases have no obvious symptoms....more »
    873. Chromosome 17, deletion 17q23 q24
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    874. Chromosome 17p, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the short arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    875. Chromosome 17p, partial duplication
     A rare chromosomal disorder involving an extra copy of genetic material from the short arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    876. Chromosome 17q, partial duplication
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 17. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    877. Chromosome 18 Ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 18 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    878. Chromosome 18 deletion syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing....more »
    879. Chromosome 18, Tetrasomy 18p
     A rare chromosomal disorder where there are four copies of short arm of chromosome 18 instead of the normal two which results in various genital, kidney, digital, head and face abnormalities....more »
    880. Chromosome 18, deletion 18q23
     A very rare syndrome caused by a deletion of a part of the material on chromosome 18 and resulting in various abnormalities such as retarded growth, hearing loss and mental retardation. The abnormalities vary from patient to patient....more »
    881. Chromosome 18, trisomy 18q
     A rare chromosomal disorder involving an extra copy of genetic material from the long arm of chromosome 18. The type and severity of symptoms are determined by the amount and location of the duplicated genetic material....more »
    882. Chromosome 18p minus syndrome
     A rare genetic disorder where a portion of the genetic material from the short arm of chromosome18 is missing. The symptoms or severity may vary somewhat between patients....more »
    883. Chromosome 18q, partial deletion
     A rare chromosomal disorder involving deletion of genetic material from the long arm of chromosome 18. The type and severity of symptoms are determined by the amount and location of the lost genetic material....more »
    884. Chromosome 18q- Syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms is determined by the amount of genetic material that is missing....more »
    885. Chromosome 19 ring syndrome
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 19 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    886. Chromosome 19p duplication syndrome
     A rare chromosomal disorder where the short arm of chromosome 19 is duplicated resulting in various abnormalities....more »
    887. Chromosome 19q, partial duplication
     A rare chromosomal disorder where the long arm of chromosome is triplicated. The type and severity of symptoms is determined by the size of the duplicated genetic portion....more »
    888. Chromosome 19q13.11 Deletion syndrome
     A rare genetic syndrome involving features such as poor fetal growth, reduced fetal activity, developmental problems and various other physical symptoms....more »
    889. Chromosome 1p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 1 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    890. Chromosome 1p duplication syndrome
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 1 is duplicated so there is three copies of it rather than the normal two....more »
    891. 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....more »
    892. 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....more »
    893. Chromosome 1q21.1 Deletion Syndrome
     A rare chromosomal disorder caused by the deletion of a portion of chromosome 1 at a specific location (1q21.1). The main symptoms were mental retardation and various physical anomalies. The manifestations in individuals is quite variable....more »
    894. Chromosome 2 trisomy syndrome
     A rare chromosomal disorder where there are three copies of chromosome 2 instead of the normal two....more »
    895. Chromosome 2, monosomy 2p22
     A rare chromosomal disorder where deletion of a portion of chromosome 2 causes various abnormalities such as deafness, intestinal problems, mental retardation and speech defects....more »
    896. Chromosome 2, monosomy 2pter p24
     A very rare chromosomal disorder where a portion of chromosome 2 is deleted resulting in a range of birth defects and abnormalities....more »
    897. Chromosome 2, monosomy 2q
     A rare chromosomal disorder where part of the long arm (q) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    898. Chromosome 2, monosomy 2q24
     A genetic disorder characterized by the deletion of a portion of the long arm of chromosome 2....more »
    899. 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....more »
    900. Chromosome 2, trisomy 2p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 2 is duplicated so there is three copies of it rather than the normal two....more »
    901. Chromosome 2, trisomy 2q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 2 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    902. Chromosome 20 ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 20 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    903. Chromosome 20, deletion 20p
     A rare chromosomal disorder where the short arm (p) of chromosome 20 is deleted resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    904. Chromosome 20p deletion syndrome
     A rare chromosomal disorder where the short arm (p) of chromosome 20 is deleted resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    905. Chromosome 21 Ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 21 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    906. Chromosome 21 monosomy
     A rare chromosomal disorder where there is only one copy of chromosome 21 instead of the normal two leading to various abnormalities....more »
    907. Chromosome 21, tetrasomy 21q
     A rare chromosomal disorder where there is four copies of the long arm of chromosome 21 instead of the normal two which results in various physical and mental anomalies....more »
    908. Chromosome 21q deletion syndrome
     A rare genetic disorder where a portion of the genetic material from the long arm of chromosome 21 is missing. The symptoms or severity may vary somewhat between patients....more »
    909. Chromosome 21q, partial deletion
     A rare chromosomal disorder where a portion of the long arm of chromosome 21 is deleted....more »
    910. Chromosome 22 Ring
     A rare chromosomal disorder where genetic material from one or both ends of chromosome 22 is missing and the two broken ends have rejoined to form a ring. The resulting type and severity of symptoms is determined by the amount and location of genetic mate...more »
    911. Chromosome 22 monosomy syndrome
     A rare chromosomal disorder where there is only one copy of chromosome 22 in the body cells instead of two which results in various physical and mental abnormalities....more »
    912. Chromosome 22 suprenumerary marker
     A rare chromosomal disorder involving structural abnormalities of chromosome 22 and are more prevalent in children born to older mothers....more »
    913. Chromosome 22 trisomy mosaic
     A rare chromosomal disorder where three copies of chromosome 22 are present in some of the body's cells instead of the normal two. Severity of symptoms is determined by how many cells have the extra chromosomal material....more »
    914. Chromosome 22, microdeletion 22q11
     A rare chromosomal disorder where a portion of the long arm of chromosome 22 is deleted....more »
    915. 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....more »
    916. Chromosome 22q deletion
     A rare genetic disorder where a portion of the genetic material from the long arm of chromosome 22 is missing. The symptoms or severity may vary somewhat between patients....more »
    917. Chromosome 22q deletion syndrome
     A rare chromosomal disorder where the long arm of chromosome 22 is deleted resulting in various abnormalities....more »
    918. Chromosome 22q duplication syndrome
     A rare chromosomal disorder where the long arm of chromosome 22 is duplicated....more »
    919. Chromosome 22q11.2 microduplication
     A rare chromosomal disorder where a part of the chromosome 22 genetic material at the q11.2 location is duplicated resulting in various anomalies ranging from mild to severe amongst different patients....more »
    920. Chromosome 2p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 2 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    921. Chromosome 2p duplication syndrome
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 2 is duplicated so there is three copies of it rather than the normal two....more »
    922. Chromosome 2p16.1-p15 Deletion Syndrome
     A rare genetic disorder characterized by a range of manifestations including mental retardation and skull and facial anomalies....more »
    923. Chromosome 2q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 2 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    924. Chromosome 3, Trisomy 3q2
     A rare chromosomal disorder involving the duplication of a portion of the long arm of chromosome 3. The symptoms are determined by the size and exact location of the duplicated portion....more »
    925. Chromosome 3, monosomy 3p25
     A rare chromosomal disorder characterized by mental retardation, short stature, deafness, extra digits, facial anomalies and various other abnormalities....more »
    926. Chromosome 3, trisomy 3p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 3 is duplicated so there is three copies of it rather than the normal two....more »
    927. Chromosome 3, trisomy 3q13 2 q25
     A rare chromosomal disorder characterized by various abnormalities including hearing loss, mental retardation, short stature, obesity and uterine and facial anomalies....more »
    928. Chromosome 3q29 microduplication syndrome
     A rare chromosomal disorder where a small portion of chromosome 3 is duplicated. The main features are mental retardation and some minor facial anomalies....more »
    929. Chromosome 4 Ring
     A rare chromosomal disorder where the ends of chromosome 4 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size and location of the genetic deletion....more »
    930. Chromosome 4 ring syndrome
     A rare chromosomal disorder where the ends of chromosome 4 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size and location of the genetic deletion....more »
    931. Chromosome 4 short arm deletion
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 4 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    932. Chromosome 4, Monosomy 4q
     A rare chromosomal disorder where a portion of the long arm (q) of chromosome 4 is missing resulting in various abnormalities....more »
    933. Chromosome 4, Monosomy Distal 4q
     A rare chromosomal disorder involving a deletion of the end portion of the long arm of chromosome 4. The symptoms are determined by the size and exact location of the deleted portion....more »
    934. Chromosome 4, monosomy 4p14 p16
     A rare chromosomal disorder characterized by various abnormalities including muscle problems, tall stature, mental retardation and hand and facial anomalies....more »
    935. Chromosome 4, partial trisomy distal 4q
     A rare chromosomal disorder involving the duplication of the end portion of the long arm of chromosome 4. The symptoms are determined by the size and exact location of the duplicated portion....more »
    936. Chromosome 4, trisomy 4q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 4 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    937. Chromosome 4p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 4 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    938. Chromosome 4q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 4 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    939. Chromosome 5, Trisomy 5p
     A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated....more »
    940. Chromosome 5, trisomy 5pter p13 3
     A rare chromosomal disorder characterized by cortico-adrenal hypoplasia, mental retardation, seizures and a blood abnormality....more »
    941. Chromosome 5, trisomy 5q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    942. Chromosome 5p duplication syndrome
     A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated....more »
    943. Chromosome 5p tetrasomy syndrome
     A rare chromosomal disorder where there are four copies of the short arm (p) of chromosome 5 rather than the normal two copies....more »
    944. Chromosome 5q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 5 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    945. Chromosome 6 Ring
     A rare chromosomal disorder where the ends of chromosome 6 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size of the genetic deletion....more »
    946. Chromosome 6 ring syndrome
     A rare chromosomal disorder where the ends of chromosome 6 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size of the genetic deletion....more »
    947. Chromosome 6, monosomy 6p23
     A very rare chromosomal disorder characterized by various abnormalities including mental retardation, facial, finger and toe anomalies as well as heart, skeletal and neurological problems....more »
    948. Chromosome 6, monosomy 6q
     A rare chromosomal disorder where a part of the long arm (q) of chromosome 6 is deleted resulting in various abnormalities depending on the location and length of missing genetic material....more »
    949. Chromosome 6, monosomy 6q1
     A rare chromosomal disorder involving the deletion of a portion of the long arm of chromosome 6....more »
    950. Chromosome 6, partial trisomy 6q
     Partial Trisomy 6q is a very rare genetic disorder where there are three copies of a portion of chromosome 6 in the cells of the body instead of the normal two. The range and severity of symptoms is variable....more »
    951. Chromosome 6, trisomy 6p
     A very rare chromosomal disorder where a part of the short arm (p) of chromosome 6 is duplicated resulting in various abnormalities depending on the location and length of missing genetic material....more »
    952. Chromosome 6, trisomy 6q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 6 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    953. Chromosome 6p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 6 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    954. Chromosome 6q deletion syndrome
     A rare chromosomal disorder where a part of the long arm (q) of chromosome 6 is deleted resulting in various abnormalities depending on the location and length of missing genetic material....more »
    955. Chromosome 6q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 6 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    956. Chromosome 7 ring syndrome
     A rare chromosomal disorder where the ends of chromosome 7 have been deleted and the two broken ends have rejoined to form a ring shape resulting in a range of symptoms determined by the size of the genetic deletion....more »
    957. Chromosome 7, Partial Deletion of Short Arm
     A rare chromosomal disorder where part of the short arm (p) of chromosome 7 is deleted resulting in various abnormalities which are determined by the size and location of the deleted portion....more »
    958. Chromosome 7, monosomy 7q21
     A rare chromosomal disorder characterized by mental retardation, short stature, facial anomalies and muscle and distal limb abnormalities....more »
    959. Chromosome 7, monosomy 7q3
     A very rare chromosomal disorder involving a deletion of material from chromosome 7 at a location known as q3 which results in a wide range of abnormalities....more »
    960. Chromosome 7, partial monosomy 7p
     A rare chromosomal disorder where part of the short arm (p) of chromosome 7 is deleted resulting in various abnormalities which are determined by the size and location of the deleted portion....more »
    961. Chromosome 7, trisomy 7p
     A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 7 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated....more »
    962. Chromosome 7, trisomy 7p13 p12 2
     A rare chromosomal disorder where duplication of a portion of chromosome 7 causes various abnormalities such as short stature and mental retardation....more »
    963. Chromosome 7, trisomy 7q
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 7 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    964. Chromosome 7p deletion syndrome
     A rare chromosomal disorder where part or all of the short arm (p) of chromosome 7 is deleted resulting in various abnormalities which are determined by the size of the deleted portion....more »
    965. Chromosome 7p duplication syndrome
     A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 7 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated....more »
    966. Chromosome 7q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 7 which results in various abnormalities depending on the size and location of the portion of duplicated genetic material....more »
    967. Chromosome 8 deletion
     A rare chromosomal disorder where there is only one copy of the genetic material of part of chromosome 8 rather than the normal two which results in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location...more »
    968. Chromosome 8 recombinant syndrome
     A rare recombinant chromosomal disorder involving chromosome 8 which results in various abnormalities....more »
    969. Chromosome 8 ring
     A rare chromosomal disorder involving chromosome 8 which causes various abnormalities such as mental retardation, ureter anomalies, finger defects and facial dysmorphism....more »
    970. Chromosome 8 trisomy syndrome
     A rare chromosomal disorder where there are three copies of chromosome 8 rather than the normal two which results in various abnormalities....more »
    971. Chromosome 8, Monosomy 8p2
     A rare chromosomal disorder where there is one copy of part of the short arm (p) of chromosome 8 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material deleted....more »
    972. Chromosome 8, monosomy 8p
     A rare chromosomal disorder involving deletion of genetic material from the short arm (p) of chromosome 8 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that ...more »
    973. Chromosome 8, monosomy 8p23.1
     A rare chromosomal disorder involving the deletion of a portion of the short arm of chromosome 8. The symptoms are determined by the size and exact location of the deleted portion....more »
    974. Chromosome 8, monosomy 8q
     A rare chromosomal disorder involving deletion of the long arm (q) of chromosome 8 resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    975. Chromosome 8, mosaic trisomy
     A very rare chromosomal disorder where there is an extra copy of chromosome 8 in some of the body's cells. Some cases with this chromosomal abnormality have no clinical symptoms. The presence of abnormalities in some cases is dependent on which body cells...more »
    976. Chromosome 8, partial trisomy
     A rare chromosomal disorder where there are three copies of part of chromosome 8 rather than the normal two which results in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material...more »
    977. Chromosome 8, trisomy
     A rare chromosomal disorder where there are three copies of chromosome 8 rather than the normal two which results in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is...more »
    978. Chromosome 8, trisomy 8p
     A rare chromosomal disorder where the short arm (p) of chromosome 8 is duplicated resulting in three copies instead of two. The type and severity of symptoms depends on the location and length of genetic material duplicated....more »
    979. Chromosome 8, trisomy 8q
     A rare chromosomal disorder where the long arm (q) of chromosome 8 is duplicated resulting in variable abnormalities depending on the location and length of genetic material deleted....more »
    980. Chromosome 8p duplication syndrome
     A rare chromosomal disorder where the short arm (p) of chromosome 8 is duplicated resulting in three copies instead of two. The type and severity of symptoms depends on the location and length of genetic material duplicated....more »
    981. Chromosome 8p inverted duplication syndrome
     A rare chromosomal disorder involving the inverted duplication of the short arm (p) of chromosome 8 resulting in three copies of the genetic material instead of the normal two. The type and severity of symptoms is determined by the location and size of th...more »
    982. Chromosome 8p mosaic tetrasomy
     A rare chromosomal disorder where a part of the short arm of chromosome 8 is repeated four times in some of the body's cells instead of the normal two resulting in various abnormalities....more »
    983. Chromosome 8q deletion syndrome
     A rare chromosomal disorder where a part of the long arm (q) of chromosome 8 is deleted resulting in various abnormalities depending on the location and length of missing genetic material....more »
    984. Chromosome 8q duplication syndrome
     A rare chromosomal disorder where the long arm (q) of chromosome 8 is duplicated resulting in variable abnormalities depending on the location and length of genetic material deleted....more »
    985. Chromosome 9 trisomy syndrome
     A rare chromosomal disorder where there are three copies of chromosome 9 in the body's cells instead of the normal two resulting in various abnormalities....more »
    986. Chromosome 9, Partial Monosomy 9p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 9 is missing resulting in various abnormalities. The type and severity of symptoms is determined by the amount of genetic material that is missing....more »
    987. Chromosome 9, Tetrasomy 9p
     A rare chromosomal disorder where there is four copies of the short arm of chromosome 9 instead of the normal two resulting in various abnormalities....more »
    988. Chromosome 9, Trisomy 9p (Multiple Variants)
     A rare chromosomal disorder characterized by mental retardation, head and face malformations and various other abnormalities....more »
    989. Chromosome 9, monosomy 9p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 9 is missing resulting in various abnormalities....more »
    990. Chromosome 9, partial trisomy 9p
     A very rare genetic disorder where a portion of the genetic material on the short arm (p) of chromosome 9 is duplicated which results in various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic mate...more »
    991. Chromosome 9, trisomy
     A rare chromosomal disorder where there are three copies of chromosome 9 in the body's cells instead of the normal two resulting in various abnormalities. The type and severity of symptoms varies depending on the amount and exact location of the genetic m...more »
    992. Chromosome 9, trisomy 9p
     A rare chromosomal disorder where a portion of the short arm (p) of chromosome 9 is duplicated so there is three copies of it instead of the normal two....more »
    993. Chromosome 9, trisomy 9q
     A very rare genetic disorder where a portion of the genetic material on the long arm (q) of chromosome 9 is duplicated which results in various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic mater...more »
    994. Chromosome 9, trisomy 9q32
     A rare chromosomal disorder where duplication of a portion of chromosome 9 causes various abnormalities such as short stature and mental retardation and facial anomalies....more »
    995. Chromosome 9p deletion syndrome
     A rare genetic disorder where a portion of the genetic material from the short arm of chromosome 9 is missing. The symptoms or severity may vary somewhat between patients....more »
    996. Chromosome 9p tetrasomy syndrome
     A rare chromosomal disorder where there is four copies of the short arm of chromosome 9 instead of the normal two resulting in various abnormalities....more »
    997. Chromosome 9q deletion syndrome
     A rare chromosomal disorder where the long arm (q) of chromosome 9 is deleted resulting in variable symptoms....more »
    998. Chromosome 9q duplication
     A very rare genetic disorder where a portion of the genetic material on the long arm (q) of chromosome 9 is duplicated which results in various abnormalities. The type and severity of symptoms varies depending on the size and location of the genetic mater...more »
    999. Chromosome 9q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 9 resulting in various abnormalities....more »
    1000. Chromosome 9q duplication/chromosome 9p deletion syndrome
     A rare chromosomal disorder where part of the long arm (q) of chromosome 9 is duplicated and part of the short arm (p) is deleted resulting in various abnormalities. These chromosomal abnormality occurs in only some of the body's cells (mosaicism)....more »
    1001. 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....more »
    1002. Chromosome diploid-triploid mosaicism syndrome
     A rare chromosomal disorder involving chromosomal duplication, triplication and mosaicism....more »
    1003. Chronic Alcoholism -- Teratogenic Agent
     There is strong evidence to indicate that chronic alcoholism 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 expos...more »
    1004. Chronic Bokhoror
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1005. Chronic Fatigue Syndrome
     Severe chronic fatigue disorder often following infection....more »
    1006. Chronic Hepatitis B
     Chronic form of HepB liver infection....more »
    1007. Chronic Kidney Disease
     Long-term and generally irreversible disease of the kidneys due to infection, obstruction, congenital diseases or generalised diseases causing failure of the kidneys' normal functions....more »
    1008. Chronic Viliuisk Encephaliti
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1009. Chronic Viliuisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1010. Chronic Vilyisk Encephalomyelitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1011. Chronic Vilyuisk Encephalitis
     A brain disease caused by an unknown pathogen which is probably from the Picornavirus family of viruses. Mode of transmission is uncertain but genetic susceptibility may be involved. The incubation period appears to be an average of 15 years. The disease ...more »
    1012. Chronic anemia
     Chronic anemia refers to a low blood cell count that has occurred over a longer period of time rather than suddenly. It is associated with chronic disease processes e.g. kidney disease....more »
    1013. Chronic constipation
     Long term decrease in mass and frequency of bowel motions and difficulty passing bowel motions....more »
    1014. Chronic constrictive pericarditis
    1015. Chronic depression
     Chronic depression is a mental disorder characterized by an all-encompassing low mood accompanied by low self-esteem, and loss of interest or pleasure in normally enjoyable activities and this maybe present for months together....more »
    1016. Chronic myelomonocytic leukemia
     A rare form of malignant bone marrow cancer involving the proliferation of immature precursors of certain blood cells - myelocytes and monocytes. The proliferation is slower than in acute forms of the disease....more »
    1017. Chronic orthostatic hypotension
     An excessive drop in blood pressure when the patient stands up causing light-headedness or dizziness....more »
    1018. Chronic tension headache
     Chronic headache affecting the occiput of the head often due to overwork or stress....more »
    1019. Chronic vitamin A toxicity
     Chronic excessive ingestion of vitamin A can cause symptoms....more »
    1020. Chronophobia
     An exaggerated or irrational fear of time. Prisoners often develop a fear of time passing....more »
    1021. Chuifong tokuwan-induced lead poisoning
     Chuifong tokuwan is a folk remedy used mainly by Asian people to arthritis and other pain. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use...more »
    1022. Chylomicron retention disease with Marinesco-Sjogren syndrome
     A rare condition characterized by abnormal lipid metabolism, vitamin E deficiency, incoordination and short stature....more »
    1023. Cibophobia
     An exaggerated or irrational fear of food....more »
    1024. Ciguatera poisoning
     Rare toxic food poisoning from eating contaminated fish...more »
    1025. Cinderella's stepmother syndrome
     A term used to describe the behaviors that stepmothers display in order to become more accepted by the family....more »
    1026. Cirrhosis of the liver
     Scarring of the liver from alcohol or other causes....more »
    1027. Citrullinemia
     Citrullinemia is an inherited urea cycle disorder which causes toxic substances including ammonia to build up in the blood. There are two main subtypes of Citrullinemia (I and II) which are caused by different genetic abnormalities and result in different...more »
    1028. Citrullinemia II
     A very rare urea cycle disorder involving a deficiency of the transport compound called Citrin. Citrin transports aspartate to where the enzyme argininosuccinic acid synthase can combine it with citrulline to make argininosuccinic acid. The deficiency pre...more »
    1029. Clark-Baraitser syndrome
     A very rare syndrome characterized mainly by tallness, large head, mental retardation and various facial anomalies....more »
    1030. Classic childhood ALD
     Classic severe form of ALD in boys....more »
    1031. Classic galactosemia
     Rare serious genetic defect in galactose metabolism....more »
    1032. Classical pyridoxine-dependent seizures
     A form of epilepsy which responds to pyridoxine hydrochloride administration and not to standard anticonvulsant medication....more »
    1033. Claustrophobia
     Fear of confined or enclosed spaces...more »
    1034. Claviceps purpurea poisoning
     Claviceps purpurea is a type of fungus that can contaminate grains such as rye, wheat, oats and barely. Ingestion of contaminated foods can cause poisoning with the severity of symptoms varying depending on the amount consumed....more »
    1035. Cleft lip -- palate -- abnormal thumbs -- microcephaly
     A very rare syndrome characterized by a small head, thumb abnormalities and a cleft lip and palate....more »
    1036. Cleft lip -- palate -- mental retardation -- corneal opacity
     A very rare syndrome characterized mainly by mental retardation, cleft lip and palate and cloudy corneas....more »
    1037. Cleft palate -- cardiac defect -- genital anomalies -- ectrodactyly
     A very rare syndrome characterized by variable symptoms including cleft palate, heart defects, genital anomalies and hand and foot malformations....more »
    1038. Cleft palate -- short stature -- vertebral anomalies
     A very rare syndrome characterized by a cleft palate, short stature and abnormalities of the vertebrae in the spine....more »
    1039. Cleptophobia
     An exaggerated or irrational fear of thieves or of being robbed by thieves....more »
    1040. Clinophobia
     An exaggerated or irrational fear of going to bed....more »
    1041. Cnidophobia
     An exaggerated or irrational fear of insect stings....more »
    1042. Coastal leucothoe poisoning
     The coastal leucothoe is an evergreen shrub which bears small clusters of bell-shaped, white flowers in the apex of the leaves. It also bears small capsulated fruit. The leaves and flower nectar contain a chemical called andromedotoxin which is very toxic...more »
    1043. Cocaine abuse
     Stimulant drug with various effects...more »
    1044. Cocaine addiction
     An uncontrollable desire to use cocaine on a regular basis. Chronic cocaine use can lead to dependency in as little as two weeks. Frequent use leads to an increased tolerance to the drug so higher and higher doses are required to achieve the desired eupho...more »
    1045. Cocaine withdrawal
     Symptoms that occur when cocaine use is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    1046. Cocaine-induced hypertension
     Cocaine-induced hypertension is high blood pressure caused by use of cocaine. Patients with an existing history of hypertension may suffer further blood pressure increases while taking cocaine and this can be serious. Severity of symptoms varies amongst p...more »
    1047. Coenzyme Q 10 (CoQ10), deficiency
     A rare inherited disorder characterized by the deficiency of Coenzyme Q 10. The range and severity of symptoms is variable....more »
    1048. Coenzyme Q cytochrome c reductase deficiency of
     A rare genetic defect where an enzyme deficiency (CoQ-Cytochrome C reductase) disrupts cellular processes. Any of a variety of the components of the enzyme may be missing or defective and hence the clinical presentation and severity may vary. The deficien...more »
    1049. Coffin-Lowry syndrome
     A rare genetic disorder characterized by down slanting space between eyelids, bulbous nose, soft hands and tapering fingers....more »
    1050. Cohen-Hayden syndrome
     A very rare syndrome characterized mainly by mental retardation, eye defect and various growth abnormalities of the bone, skin and head....more »
    1051. Coitophobia
     An exaggerated or irrational fear of sexual intercourse....more »
    1052. Cold Autoimmune Hemolytic Anemia
     Cold autoimmune hemolytic anemia is a condition where the body's immune system triggers the production of antibodies against the body's own red blood cells. The red cells are destroyed at an abnormally rapid rate which leads to anemia. Cold haemolytic ane...more »
    1053. Cold antibody hemolytic anemia
     A rare autoimmune condition where the body's defense system attacks and destroys red blood cells. The onset of the condition is triggered by temperatures 30°C or lower....more »
    1054. Coleman Randall syndrome
     A rare condition (one reported case) characterized by deafness, underdeveloped gonads, pili torti and a deficiency of growth and luteinizing hormone....more »
    1055. Collagenous celiac disease
     Collagenous celiac disease is used to describe progressive celiac disease characterized by the presence of a layer of collagen (scarring) in the intestinal layers. This form of celiac disease usually fails to respond to treatments such as gluten-free diet...more »
    1056. Collins-Sakati syndrome
     A very rare syndrome characterized mainly by a short, broad toe and a large head....more »
    1057. Coloboma uveal with cleft lip palate and mental retardation
     A very rare syndrome characterized by a cleft lip and palate, mental retardation and a gap or hole in the iris or uvea of the eye (iris or uveal coloboma)....more »
    1058. Coloboma, cleft lip/palate and mental retardation syndrome
     A very rare syndrome characterized by a cleft lip and palate, mental retardation and a gap or hole in the iris or uvea of the eye (iris or uveal coloboma)....more »
    1059. Colobomatous microphthalmia -- heart disease -- hearing loss
     A very rare syndrome characterized by small eyes, heart disease and hearing loss....more »
    1060. Colpocephaly
     A rare brain malformation that is present at birth. The cavities present at the back of the brain are larger than normal as the brain tissue has failed to develop normally to fill some of the space. Severity of symptoms are variable depending on the degre...more »
    1061. Combat stress reaction
     A term used in the military which refers to behaviors that result from the stress of fighting in a war....more »
    1062. Cometophobia
     An exaggerated or irrational fear of comets....more »
    1063. Common migraine
     Migraine headaches are recurrent headaches that may be unilateral or bilateral. Migraine headaches may occur with or without a prodrome. The aura of a migraine may consist of neurologic symptoms, such as dizziness, tinnitus, scotomas, photophobia, or visu...more »
    1064. Complete Trisomy 18 syndrome
     Complete Trisomy 18 syndrome is the most severe form of Edwards syndrome and involves an extra copy of chromosome 18 in all of the body cells. This severe form causes mental retardation and numerous physical defects that often cause death before birth or ...more »
    1065. Complex 1 mitochondrial respiratory chain deficiency
     A rare genetic defect where an enzyme deficiency (NADH CoQ) disrupts cellular processes and causes various organic acid disorders. Any of a variety of the components of the enzyme may be missing or defective and hence the clinical presentation and severit...more »
    1066. Complex 2 mitochondrial respiratory chain deficiency
     A rare genetic defect where an enzyme deficiency (succinate CoQ reductase) disrupts cellular processes. The deficiency may result variable symptoms and condition including conditions such as Leigh's syndrome, myopathy and Kearns-Sayre syndrome....more »
    1067. Complex partial seizure
     A complex seizure is an electrical disturbance that originates in only one part of the brain and resulting in symptoms related to the body functions or parts that are controlled by that part of the brain. Partial seizures where the patient has altered con...more »
    1068. Complex partial seizure disorder
     Complex partial seizure disorder is an electrical disturbance that originates in only one part of the brain and resulting in symptoms related to the body functions or parts that are controlled by that part of the brain. Partial seizures where the patient ...more »
    1069. Computer addiction
     Computer addiction refers to the excessive amounts of time spent on the computer. The preoccupation can cause problems with relationships and even with work performance. The time spent on the computer does not refer to work-related activities....more »
    1070. Concentration camp survivor syndrome
     A type of post-traumatic stress disorder that is seen in people who have surveved abuse in concentration camps....more »
    1071. Concussion
     Brain injury causing loss of consciousness and bruising of the brain...more »
    1072. Conduct Disorder
     Behavioral disorder with antisocial behaviors...more »
    1073. Congenital Disorders of Glycosylation Type Ia
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervou...more »
    1074. Congenital Toxoplasmosis
     Fetal infection with toxoplasmosis....more »
    1075. Congenital adrenal hyperplasia (CAH)
     A group of disorder that occur when there is a problem in the process of making adrenal corticosteroids....more »
    1076. Congenital adrenal hyperplasia -- non-classical form
     A late onset form of congenital adrenal hyperplasia where insufficient adrenal corticosteroids are produced by the body due to the deficiency of a particular chemical. The severity of symptoms varies from person to person and onset may occur as early as c...more »
    1077. Congenital disorder of glycosylation type 1A
     A very rare inherited metabolic disorder where defective carbohydrate compounds are attached to glycoproteins and thus impairing glycoprotein function. Type 1A involves a phosphomannomutase enzyme defect and affects most body systems especially the nervou...more »
    1078. Congenital disorder of glycosylation type 1F
     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 IF is caused by a defect on chromosome 17p13.1-p...more »
    1079. Congenital disorder of glycosylation type 1I
     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 Ii is caused by a defect on chromosome 9q22 and ...more »
    1080. Congenital disorder of glycosylation type 1K
     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 Ik is caused by a defect on chromosome 16p13.3 a...more »
    1081. Congenital disorder of glycosylation type 1L
     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 Il is caused by a defect on chromosome 11q23 and...more »
    1082. Congenital disorder of glycosylation type 2C
     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 2c is caused by a defect on chromosome 11p11.2 a...more »
    1083. Congenital disorder of glycosylation type 2D
     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 2d is caused by a defect on chromosome 9p13 and ...more »
    1084. Congenital disorder of glycosylation type 2E
     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 2e is caused by a defect on chromosome 16p and i...more »
    1085. Congenital disorder of glycosylation type 2G
     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 IIg is caused by a defect on chromosome 17q25.1 ...more »
    1086. Congenital disorder of glycosylation type 2H
     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 IIh is caused by a defect on chromosome 16q22.1 ...more »
    1087. Congenital disorder of glycosylation type IIH
     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 IIh is caused by a defect on chromosome 16q22.1 ...more »
    1088. Congenital disorder of glycosylation type X -- Bombay blood group phenotype
     A rare inherited disorder characterized by abnormal neutrophil functioning which reduces the body's immunity. The abnormal neutrophils are unable to be transported to sites of infection due to their inability to adhere to certain blood vessel components w...more »
    1089. Congenital heart disease -- radio ulnar synostosis -- mental retardation
     A very rare syndrome characterized mainly by heart disease at birth, fusion of forearm bones and mental retardation....more »
    1090. Congenital heart disease, ptosis, hypodontia, craniosynostosis
     A rare birth syndrome characterized by heart disease, droopy eyelids, missing teeth and premature fusion of skull bones....more »
    1091. Congenital hepatic porphyria
     A rare congenital disorder where there is an excess of porphyrin (pigments) in the body. The liver is responsible for making porpyrins....more »
    1092. Congenital herpes simplex
     An infant born with a herpes simplex infection transmitted through the mother. The infection may be localized or involve various internal organs and even the central nervous system in which case death can occur....more »
    1093. Congenital hypoparathyroidism, seizures, growth and mental retardation and unusual facies
     A rare syndrome characterized mainly by growth and mental retardation, seizures, unusual facial appearance and congenital hypoparathyroidism....more »
    1094. Congenital malaria
     Fetal infection with malaria....more »
    1095. Congenital myotonic dystrophy
     A form of muscular dystrophy which is usually apparent at birth or within a few years. and affects the skeletal muscles, heart conduction, smooth muscle, eyes and the central nervous system. The range of severity varies from asymptomatic to fetal death....more »
    1096. Congenital spherocytic anemia
     Congenital Spherocytic anemia is an inherited blood disorder characterized by red blood cells that are shaped like a sphere (spherocytes) rather than the normal doughnut shape. These abnormal cells are broken down prematurely resulting in a shortage of re...more »
    1097. Congenital spherocytic hemolytic anemia
     A blood disorder present at birth where the membranes of red blood cells are defective which results in them being spherical rather than doughnut-shaped. These abnormally shaped red blood cells are broken down prematurely by the body which results in anem...more »
    1098. Congenital sucrose-isomaltose malabsorption
     A rare disorder where a congenital deficiency of an enzyme (sucrase-isomaltase) prevents the absorption of sucrase and isomaltose consumed in the diet....more »
    1099. Congenital tuberculosis
     Fetal infection with tuberculosis...more »
    1100. Conn Syndrome-induced hypertension
     Conn Syndrome-induced hypertension is high blood pressure associated with Conn Syndrome. It results from excessive production of a hormone called aldosterone by the adrenal glands. The high blood pressure often responds poorly to the usual medications. De...more »
    1101. Constrictive pericarditis
     Inflammation, swelling and thickening of the pericardium (fibrous sac surrounding the heart) which causes it to tighten around the heart and affect its function. The condition may be misdiagnosed as a heart attack and vice versa....more »
    1102. Constrictive tuberculous pericarditis
     Inflammation and swelling of the pericardium (fibrous sac surrounding the heart) that occurs as a complication of tuberculosis. The condition may be misdiagnosed as a heart attack and vice versa....more »
    1103. Cope's syndrome
     Cope's syndrome is a condition where the body is too alkaline and the blood contains too much calcium. It can be caused by drinking large quantities of milk or using too many alkaline antacid remedies. High vitamin D intake can make the condition worse. T...more »
    1104. Copper deficiency-induced Sideroblastic anemia
     Copper deficiency-induced sideroblastic anemia is a blood disorder caused insufficient quantities of copper. The body has sufficient iron levels but is unable to utilise it properly in red blood cells due to the lack of copper. The iron becomes abnormally...more »
    1105. Coprophobiaphobia
     An exaggerated or irrational fear of feces or excrement....more »
    1106. Cor Triatriatum
     A rare congenital malformation where the heart has three atria instead of the normal two due to the presence of a separating membrane....more »
    1107. Cordyceps-induced lead poisoning
     Cordyceps is a folk remedy by Chinese people to treat high blood pressure, bleeding problems and diabetes. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects ...more »
    1108. Corneal anesthesia deafness intellectual deficit
     A very rare genetic disorder characterized distinctive facial features, ductus arteriosus, mental retardation and vision problems....more »
    1109. Corneal anesthesia deafness mental retardation
     A very rare genetic disorder characterized distinctive facial features, ductus arteriosus, mental retardation and vision problems....more »
    1110. Corneal cerebellar syndrome
     A very rare syndrome involving eye problems and progressive motor control problems such as ataxia and weakness on one side of the body....more »
    1111. Corneal dystrophy -- ichthyosis -- microcephaly -- mental retardation
     A very rare syndrome characterized by vision loss, scaly skin, small head and mental retardation....more »
    1112. Corneal hypesthesia deafness intellectual deficit
     A very rare genetic disorder characterized distinctive facial features, ductus arteriosus, mental retardation and vision problems....more »
    1113. Cornelia de Lange Syndrome
     A very rare disorder involving delayed physical development and various malformations involving the head, face and limbs. The severity of symptoms is variable....more »
    1114. Cornelia de Lange syndrome 1
     A very rare disorder involving delayed physical development and various malformations involving the head, face and limbs. Type 1 is more severe than type 2 though the range and severity of symptoms is variable....more »
    1115. Cornelia de Lange syndrome 2
     A very rare disorder involving delayed physical development and various malformations involving the head, face and limbs. Type 2 is not as severe as type 1 with some of the abnormalities not presenting until later in life or absent altogether. The range a...more »
    1116. Cornelia de Lange syndrome 3
     A very rare disorder involving delayed physical development and various malformations involving the head, face and limbs. Type 3 is a very mild form of the disorder and is typified by mildly unusual facial appearance and no skeletal or limb malformations....more »
    1117. Corpus callosum agenesis
     A very rare congenital abnormality where part or all of the fibers that connect the two halves of the brain (corpus callosum) are missing....more »
    1118. Corpus callosum agenesis -- double urinary collecting system
     A very rare syndrome characterized mainly by abnormal development of the structure separating the two halves of the brain as well as duplicated ureters that collect the urine from the kidney and deliver it to the bladder....more »
    1119. Corpus callosum agenesis double urinary collecting
     A very rare syndrome characterized mainly by abnormal development of the structure separating the two halves of the brain as well as duplicated ureters that collect the urine from the kidney and deliver it to the bladder....more »
    1120. Corpus callosum agenesis double urinary collecting system and trigonocephaly
     A very rare syndrome characterized mainly by abnormal development of the structure separating the two halves of the brain as well as duplicated ureters that collect the urine from the kidney and deliver it to the bladder....more »
    1121. Corpus callosum agenesis-neuropathy
     A rare genetic disorder involving mental retardation, progressive neuropathy and absence of the fibers that connect the two halves of the brain together....more »
    1122. Corpus callosum dysgenesis X-linked recessive
     Partial or complete lack of development of the structure that divides two sides of the brain (corpus callosum). As the condition is X-linked, it only occurs in males....more »
    1123. Corsican Hellebore poisoning
     The Corsican hellebore is often grown in gardens. It bears cupped, light green flowers. The plant contains a chemical called protoanemonin which can cause symptoms if eaten in large quantities. Skin exposure to the plant can also cause skin irritation but...more »
    1124. Cortada Koussef Matsumoto syndrome
     A rare syndrome characterized by various skeletal abnormalities, small head and mental retardation....more »
    1125. Cortical dysplasia -- focal epilepsy syndrome
     Abnormal development of the brain cortex which results in focal epilepsy and progressive neurological deterioration once the epilepsy starts in early childhood....more »
    1126. Corticobasal Degeneration
     A rare progressive neurological disorder where parts of the brain deteriorate....more »
    1127. Corticosteroid-induced hypertension
     Corticosteroid-induced hypertension is high blood pressure caused by use of corticosteroids. Patients with an existing history of hypertension may suffer further blood pressure increases while taking corticosteroids. Severity of symptoms varies amongst pa...more »
    1128. Cotard syndrome
     A rare syndrome involving depression, suicidal thoughts and the belief that they no longer have a body and are already dead. Sometimes they believe that their body is rotting or that they have no blood or internal organs. Occasionally they believe they ar...more »
    1129. Cote-Katsantoni syndrome
     A rare condition characterized by osteosclerosis, atrial septal defect, malabsorption, neutropenia, ectodermal dysplasia, growth retardation and mental retardation....more »
    1130. Coulrophobia
     An exaggerated or abnormal fear of clowns. Children are most often affected but teenagers and adults can occasionally be affected as well....more »
    1131. Cowden's syndrome
     A rare hereditary condition characterized by multiple noncancerous nodules called hamartomas. Sufferers also face an increased risk of particular cancers....more »
    1132. Crack addiction
     An uncontrollable desire to use crack on a regular basis. Chronic crack use can lead to dependency in as little as two weeks. Crack is a form of cocaine - powdered cocaine is heated with ammonia or sodium bicarbonate to make rocks of crack. Frequent use l...more »
    1133. Crack withdrawal
     Symptoms that occur when cocaine hydrochloride use is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    1134. Craniodiaphyseal dysplasia
     A very rare bone disorder where excess calcium is deposited mainly in the skull bones which can result in compression of various nerves in the skull and even the brain....more »
    1135. Craniodigital syndrome -- mental retardation
     A very rare syndrome characterized by webbed fingers and toes, mental retardation and skull and facial anomalies....more »
    1136. Craniofacial dysostosis -- arthrogryposis -- progeroid appearence
     A very rare syndrome characterized usually caused by fetal exposure to the cytomegalovirus and resulting in features such as short stature, mental retardation, joint movement problems and facial anomalies....more »
    1137. Craniofacial dyssynostosis
     A very rare syndrome characterized primarily by the premature fusion of certain skull bones which gives the head an abnormal shape and also causes unusual facial features....more »
    1138. Craniofaciocardioskeletal syndrome
     A very rare syndrome characterized by facial, skull, heart and skeletal abnormalities....more »
    1139. Craniosynostosis -- Dandy-Walker -- Hydrocephalus
     A very rare disorder characterized primarily by the premature fusion of skull bones (sagittal), the Dandy-Walker malformation and a buildup of fluid in the brain (hydrocephalus). The Dandy-Walker malformation is where a cyst develops in the back of the br...more »
    1140. Craniosynostosis -- alopecia -- brain defect
     A very rare syndrome characterized mainly by a malformed skull, lack of hair and a brain defect....more »
    1141. Craniosynostosis -- brachysyndactyly of hands and absence of toes
     A rare condition characterized mainly by premature fusion of skull bones, limb defects and a cleft lip or palate....more »
    1142. Craniosynostosis -- congenital heart disease -- mental retardation
     A rare syndrome characterized mainly by heart and skull abnormalities as well as mental retardation....more »
    1143. Craniosynostosis exostoses nevus epibulbar dermoid
     A rare syndrome characterized by the premature fusion of skull bones, excessive bone growth (hyperostosis), epibulbar dermoids (benign eye tumor) and a skin disorder (linear verrucous epidermal nevus). Patients with this condition need to avoid using amin...more »
    1144. Craniosynostosis mental retardation clefting syndrome
     A rare disorder characterized by premature fusion of the skull bones (craniosynostosis), mental retardation a cleft lip and/or palate....more »
    1145. Craniosynostosis radial aplasia syndrome
     A rare genetic disorder characterized by premature closing of skull bones, growth deficiency and anal, limb, urogenital and craniofacial abnormalities....more »
    1146. Craniosynostosis, sagittal, with Dandy-Walker malformation and hydrocephalus
     A very rare disorder characterized primarily by the premature fusion of skull bones (sagittal), the Dandy-Walker malformation and a buildup of fluid in the brain (hydrocephalus). The Dandy-Walker malformation is where a cyst develops in the back of the br...more »
    1147. Craniotelencephalic dysplasia
     A very rare syndrome characterized primarily by premature fusion of various skull bones and abnormal brain development....more »
    1148. Creatine deficiency, X-linked
     A rare inherited disorder characterized mainly by mental retardation, seizures, short stature and facial anomalies. The disorder is caused by the absence of a compound needed to transport creatine and thus creatine levels may be normal or high, but the bo...more »
    1149. Cremnophobia
     An exaggerated or irrational fear of precipices....more »
    1150. Cretinism athyreotic
     A rare form of congenital hypothyroidism that causes mental and physical growth retardation in infants or children. Prompt thyroid hormone therapy is essential in order to prevent progressive neurological and motor deterioration....more »
    1151. Creutzfeldt-Jakob Disease
     A very rare degenerative brain disease that can be inherited, transmitted (eg in surgical transplants using infected tissue) or as a result of genetic mutations. The condition is fatal....more »
    1152. Crome syndrome
     A very rare disorder characterized by various abnormalities including mental retardation, epilepsy and eye and kidney problems....more »
    1153. Cryophobia
     An exaggerated or irrational fear of extreme cold, frost or ice....more »
    1154. Cryptococcal Meningitis
     Cryptococcal meningitis is an infection of the meninges (the membranes covering the brain and spinal cord), caused by the fungus Cryptococcus neoformans....more »
    1155. Cryptococcosis
     A fungal infection caused by Cryptococcus neoformans which primarily affects the central nervous system and the lungs. People with weakened immune systems such as AIDS sufferers are generally more susceptible to this type of infection....more »
    1156. Cryptorchidism -- arachnodactyly -- mental retardation
     A very rare syndrome characterized mainly by undescended testes, long thin fingers and mental retardation....more »
    1157. Crystal meth addiction
     An uncontrollable desire to use crystal meth on a regular basis. Crystal meth is a powerful stimulant used illegally for its effects. It is highly addictive and known by street names such as ice, speed, glass, crank and chalk. Frequent use leads to an inc...more »
    1158. Crystallophobia
     An exaggerated or irrational fear of glass or crystals....more »
    1159. Cushing syndrome, familial
     A hormonal disorder caused by high levels of the cortisol hormone due to the abnormal development of the adrenal gland....more »
    1160. Cushing's disease
    1161. Cushing's syndrome
     A rare syndrome where excessive secretion of corticosteroids by the adrenal cortex leads to a variety of symptoms. Hormone-secreting adrenal or pituitary tumors are often the cause of the excessive corticosteroid secretion....more »
    1162. Cushing's syndrome-induced hypertension
     Cushing's syndrome-induced hypertension is high blood pressure caused by a condition caused Cushing's syndrome where the adrenal glands produce excessive amounts of cortisol....more »
    1163. Cutis Laxa with Bone Dystrophy
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    1164. Cutis Laxa with Growth and Developmental Delay
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    1165. Cutis Laxa with or without Congenital Disorder of Glycosylation
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    1166. Cutis Laxa, Autosomal Recessive, Type IIA
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    1167. Cutis Laxa, Debre Type
     A recessively inherited condition characterized mainly by loose wrinkly skin and growth and developmental delay....more »
    1168. Cutis laxa, recessive type 2
     A very rare syndrome characterized primarily by loose skin and delayed development....more »
    1169. Cutis verticis gyrata -- mental deficit
     A very rare syndrome characterized mainly by mental retardation and excessive skin folds and furrows on the scalp....more »
    1170. Cutis verticis gyrata mental deficiency
     A rare inherited disorder characterized by mental retardation, seizures and eye and movement problems....more »
    1171. Cycad nut poisoning
     The cycad nut contains a toxic chemical called cyasin which can be leeched out by soaking in water. The nuts are often used as a food source but it is important to leech out the toxic chemicals first. Eating nuts that still contain the toxin can cause ser...more »
    1172. Cyclical edema syndrome
     Periodic swelling or bloating that occurs in women while they are standing but disappears when they lie down. Excessive aldosterone hormone may cause the problem which tends do become worse in the period leading up to menstruation....more »
    1173. Cycloserine-induced Sideroblastic anemia
     Cycloserine -induced sideroblastic anemia is a blood disorder caused by taking a drug called Cycloserine. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blood cells...more »
    1174. Cyclosporine toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    1175. Cyclosporine-induced hypertension
     Cyclosporine-induced hypertension is high blood pressure caused by taking cyclosporine. Patients with an existing history of hypertension may suffer further blood pressure increases while taking amphetamines and this can be serious. Severity of symptoms v...more »
    1176. Cyclothymic disorder
     This disorder is a mild form of bipolar II disorder consisting of recurrent mood disturbances between hypomania and dysthymic mood....more »
    1177. Cymophobia
     An exaggerated or irrational fear of waves....more »
    1178. Cynophobia
     An exaggerated or irrational fear of dogs....more »
    1179. Cypridophobia
     An exaggerated or irrational fear of venereal disease....more »
    1180. Cystic fibrosis -- gastritis -- megaloblastic anaemia
     A rare syndrome characterized mainly by cystic fibrosis, metaloblastic anemia, mental retardation and gastritis due to helicobacter pylori....more »
    1181. Cystitis
     Bladder infection or inflammation...more »
    1182. Cytochrome c oxydase deficiency, French-Canadian type
     A rare, progressive, inherited metabolic disorder where a deficiency of the enzyme cytochrome C oxidase affects skeletal muscles, connective tissue, brain and liver....more »
    1183. D ercole syndrome
     A very rare syndrome characterized mainly by short stature, small head and heart defects....more »
    1184. D-glycericacidemia
     A rare metabolic disorder where the deficiency of an enzyme (D-Glycerate Kinase) causes high levels of glycine in the body....more »
    1185. D-plus hemolytic uremic syndrome (D+HUS)
     A rare condition where gastroenteritis involving bloody diarrhea is caused by a bacteria (usually E.Coli) which leads to toxins being present in the blood. These circulating toxins affect red blood cells, kidneys and occasionally even the brain....more »
    1186. DIDMOAD Syndrome, Mitochondrial form
     A rare association of diabetes insipidus, diabetes mellitus, optic atrophy and deafness which results in mitochondrial defects....more »
    1187. Damocles syndrome
     Stress, anxiety and uncertainty experienced by people who have been successfully treated for childhood cancer....more »
    1188. Dana syndrome
     A rare inherited disorder characterized by the gradual degeneration of the white matter of the spinal cord and pernicious anemia. Various neurological symptoms can result....more »
    1189. Dancing Eye syndrome
     Dancing eye syndrome is a rare neurological condition characterized by abnormal eye movements where the eyes seem to move randomly all over the place. Jerky limb movements are also often present. The severity of the condition and response to treatment var...more »
    1190. Dandy Walker syndrome recessive form
     A rare recessively inherited brain malformation where a cyst develops in the brain which can interfere with the drainage of cerebrospinal fluid and lead to hydrocephalus. The severity of the condition is variable and symptoms tend to only occur if the flu...more »
    1191. Dandy-Walker -- facial hemangioma
     A very rare syndrome characterized mainly by a brain malformation (Dandy-Walker) and a hemangioma on the face (mass of dilated blood vessels)....more »
    1192. Dandy-Walker Syndrome
     A congenital brain malformation characterized by increased fluid in the brain....more »
    1193. Dandy-Walker malformation with mental retardation, macrocephaly, myopia, and brachytelephalangy
     A very rare syndrome characterized mainly by mental retardation, large head, short fingers, nearsightedness and brain abnormalities (Dandy-Walker type)....more »
    1194. Darvocet withdrawal
     Symptoms that occur when Darcovet use is discontinued or reduced. Darcovet is a pain-killer. Symptoms may vary depending on the level of dependence....more »
    1195. Davis syndrome
     A very rare condition where short-limbed dwarfism is associated with immunodeficiency....more »
    1196. Davis-Lafer syndrome
     A very rare syndrome characterized mainly by mental retardation and unusual facial features....more »
    1197. De Grouchy Syndrome
     A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    1198. De Lange 1
     A rare disorder involving a variety of congenital abnormalities including retarded growth, behavioral problems, characteristic facial features and upper limb abnormalities....more »
    1199. De Sanctis-Cacchione syndrome
     A rare genetic ectodermal disorder characterized by sunlight sensitivity, skin atrophy and pigmentation and skin tumors as well neurologic involvement....more »
    1200. Deadly nightshade (Solanum dulcamara) poisoning
     The deadly nightshade is a woody vine and is considered quite toxic. It is found in Europe, Asia, North Africa and North America. There are a number of species of nightshade with variable toxicity. The Solanum dulcamara is considered less toxic with about...more »
    1201. Deafness -- epiphyseal dysplasia -- short stature
     A very rare syndrome characterized by short stature (due to abnormal development of ends of thigh bones), deafness, blocked tear ducts and thigh bone abnormalities....more »
    1202. Deafness -- hypospadias -- metacarpal and metatarsal synostosis
     A very rare syndrome characterized mainly by deafness, penis abnormalities and bone anomalies in the foot and hands....more »
    1203. Deafness -- lymphoedema -- leukemia
     A rare syndrome characterized by deafness, early-onset leukemia and lymphoedema in the lower legs....more »
    1204. Deafness -- onychodystrophy -- osteodystrophy -- mental retardation
     A very rare inherited disorder involving deafness (D), onychodystrophy (O - nail malformation), osteodystrophy (O - bone malformation) and mental retardation (R)....more »
    1205. Deafness -- skeletal dysplasia -- lip granuloma
     A very rare syndrome characterized mainly by deafness, skeletal abnormalities, mental retardation and full lips....more »
    1206. Deafness, congenital onychodystrophy, recessive form
     A very rare inherited disorder involving deafness (D), onychodystrophy (O - nail malformation), osteodystrophy (O - bone malformation) and mental retardation (R)....more »
    1207. Deafness-mental retardation, Martin-Probst type
     A rare disorder characterized mainly by deafness and mental retardation....more »
    1208. Decreased cardiac output
    1209. Decreased folate
    1210. Decreased mean cell haemoglobin
    1211. Decreased mean cell haemoglobin concentration
    1212. Decreased mean cell volume
    1213. Decreased oxygen saturation
    1214. Decreased serum phosphate
     Decreased serum phosphate (or hypophosphatemia) refers to an electrolyte disturbance involving a lower than normal level of phosphate in the blood. This abnormality may in some cases be associated with increased levels of phosphate in the urine but this d...more »
    1215. Dehydratase deficiency
     A very rare condition involving a deficiency of the enzyme called dehydratase. It is usually asymptomatic and often associated with high blood phenylalanine levels....more »
    1216. Dehydration
     Loss of fluids in the body...more »
    1217. Deipnophobia
     An exaggerated or irrational fear of dining and dinner conversation....more »
    1218. Del (1) (pter-p36.3) mosaicism
     A very rare chromosomal disorder where the end portion of the short arm of chromosome one is missing in some body cells. The type and severity of symptoms is variable....more »
    1219. Del (2) (p13-p11.2)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1220. Del (2) (p23-p21.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1221. Del (2) (p25.1-p23.3)
     A rare chromosomal disorder characterized by variable abnormalities which makes the condition poorly defined. Observations were made on two reported cases....more »
    1222. Del (2) (p25.1-p24.2)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1223. Del (2) (pter-p24)
     A rare chromosomal disorder characterized by mental retardation and other minor physical anomalies. The observation was made in one reported case....more »
    1224. Del (2) (pter-p24) and dup (18) (q21-qter)
     A rare chromosomal disorder characterized by mental retardation, reduced muscle tone, obesity and eye anomalies. The physical appearance is similar to that of Prader-Willi syndrome. The observations were made in two reported cases....more »
    1225. Del (2) (q12-q14)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1226. Del (2) (q13-q21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in the two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1227. Del (2) (q14-q21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1228. Del (2) (q22-q23)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1229. Del (2) (q22.3-q23.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1230. Del (2) (q23-q34) mosaicism
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1231. Del (2) (q24-q31)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1232. Del (2) (q24.3-q31)
     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....more »
    1233. Del (2) (q32-q33)
     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....more »
    1234. Del (2) (q32.1-q34)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1235. Del (2) (q32.2-q33.1)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1236. Del (2) (q33-q36)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1237. Del (2) (q33-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1238. Del (2) (q33.1-q33.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1239. Del (2) (q34-q36)
     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....more »
    1240. Del (2) (q35-q36.2)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1241. Del (2) (q37-qter) and dup (10) (pter-p13)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1242. Del (2) (q37.1-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....more »
    1243. Del (2) (q37.3-qter) and dup (11) (q23.3-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1244. 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....more »
    1245. Del (3) (p14.2-p11)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1246. Del (3) (p21.1-p13)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in a few reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1247. Del (3) (p24.12-p23)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1248. Del (3) (pter-25.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in a few reported cases. The manifestations vary considerably from patient to patient....more »
    1249. Del (3) (pter-p25) and dup (20) (q13-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in six reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1250. Del (3) (pter-p25) and dup (4) (pter-p16.1)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1251. Del (3) (pter-p25.1)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1252. Del (3) (q11-q21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1253. Del (3) (q12-q21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in a few reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1254. Del (3) (q12-q23)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1255. Del (3) (q22.2-q23)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1256. Del (3) (q29-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1257. Del (3q21) and del (13q22.2)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1258. Del (4) (pter-p16 or p16.1)
     A very rare chromosomal disorder where a portion of the short arm (pter-p16 or p16.1) of the genetic material on chromosome four is missing. The type and severity of symptoms can vary depending on the exact size and location of the deleted genetic materia...more »
    1259. Del (4) (pter-p16) and dup (8) (pter-p23)
     A very rare chromosomal disorder where a portion of the short arm (pter-p16.3) of the genetic material on chromosome four is missing. The type and severity of symptoms can vary depending on the exact size and location of the deleted genetic material....more »
    1260. Del (4) (pter-p16.2) and dup (2) (q37.1-qter)
     A rare syndrome characterized by the main features of Wolf syndrome which include profound mental retaradation and oral clefting. Patients tend to die soon after birth....more »
    1261. Del (4) (pter-p16.3)
     A very rare chromosomal disorder where a portion of the short arm (pter-p16.3) of the genetic material on chromosome four is missing. The type and severity of symptoms can vary depending on the exact size and location of the deleted genetic material....more »
    1262. Del (4) (pter-p16.3) and dup (8) (pter-p23.1)
     A very rare chromosomal disorder where a portion of the short arm (pter-p16.3) of the genetic material on chromosome four is missing. The type and severity of symptoms can vary depending on the exact size and location of the deleted genetic material. The ...more »
    1263. Del(1) (p22.3-p13.3)
     A very rare chromosomal disorder where a portion of the short arm (p22.3-p13.3) of chromosome one is missing. The type and severity of symptoms is variable....more »
    1264. Del(1) (p34.3-p34.1)
     A very rare chromosomal disorder where a portion of the short arm (p34.3-p34.1) of chromosome one is missing. This genetic anomaly results in virtually no physical manifestations....more »
    1265. Del(1) (pter-p34)
     A very rare chromosomal disorder where the end portion of the short arm of chromosome one is missing. The type and severity of symptoms is variable....more »
    1266. Del(1) (pter-p35)
     A very rare chromosomal disorder where the end portion of the short arm of chromosome one is missing. The type and severity of symptoms is variable....more »
    1267. Del(1) (pter-p36.2)
     A very rare chromosomal disorder where the end portion of the short arm of chromosome one is missing. The type and severity of symptoms is variable....more »
    1268. Del(1) (q25-q32)
     A very rare chromosomal disorder where a portion of the long arm (q25-q32) of chromosome one is missing. The range and severity of symptoms is variable....more »
    1269. Del(1) (q32-q41)
     A very rare chromosomal disorder where a portion of the long arm (q32-q41) of chromosome one is missing....more »
    1270. Del(1) (q41-q43)
     A very rare chromosomal disorder where a portion of the long arm (q41-q43) of chromosome one is missing....more »
    1271. Del(1) (q42-qter)
     A very rare chromosomal disorder where a portion of the long arm (q42-qter) of chromosome one is missing. The type and severity of symptoms is variable....more »
    1272. Del(1) (q44-qter)
     A very rare chromosomal disorder where a portion of the long arm (q44-qter) of chromosome one is missing. The type and severity of symptoms may vary....more »
    1273. Del(1q32)
     A very rare chromosomal disorder where a portion of the long arm (1q32) of chromosome one is missing....more »
    1274. Delayed sleep-phase syndrome
     Delayed sleep phase syndrome is a circadian rhythm sleep disorder, a chronic disorder of the timing of sleep, peak period of alertness, core body temperature, hormonal and other daily rhythms relative to societal norms....more »
    1275. Deletion 10q
     A rare disorder caused by the deletion of a portion of chromosome 10q. The range and severity of symptoms is determined by the size of the portion that is deleted....more »
    1276. Deletion 11q
     A very rare genetic disorder characterized by the deletion of genetic material from the long arm (q) of chromosome 11 - the genetic material occurs only once in body cells instead of the normal two. The type and severity of symptoms may vary considerably ...more »
    1277. Deletion 13q32
     A rare chromosomal disorder where a portion of the long arm (q32) of chromosome 13 is deleted resulting in various physical, neurological and developmental abnormalities. The type and severity of symptoms can vary amongst patients....more »
    1278. Deletion 18q
     A rare chromosomal disorder where a portion of chromosome 18 is missing. The type and severity of symptoms varies depending on the amount and exact location of the genetic material that is deleted....more »
    1279. Deletion 5p
     A rare chromosomal disorder involving deletion of the genetic material from the short arm (p) of chromosome 5 which results in various abnormalities. The resulting condition is often called Cri-du-Chat Syndrome and features may vary somewhat depending on ...more »
    1280. Deletion 6q16 q21
     A rare chromosomal disorder characterized primarily by facial anomalies, mental retardation and a short head....more »
    1281. Deletion of the Short Arm of Chromosome 1
     A condition characterized by deletion of the short arm of chromosome 1...more »
    1282. Delirium
     Severe state of mental confusion...more »
    1283. Delirium tremens
     Delirium from alcohol withdrawal...more »
    1284. Delta-1-pyrroline 5-carboxylate synthetase deficiency
     A rare syndrome caused by an enzyme deficiency (Delta-1-pyrroline 5-carboxylate synthetase)....more »
    1285. Delusional disorder
     Persisting delusional beliefs...more »
    1286. Dementia
     Various mental impairment conditions....more »
    1287. Dementia With Lewy Bodies
     Second most frequent cause of dementia in elderly adults....more »
    1288. Demonophobia
     An exaggerated or irrational fear of demons or spirits....more »
    1289. Demophobia
     An exaggerated or irrational fear of crowds....more »
    1290. Dennis cohen syndrome
     A rare syndrome characterized mainly by unusual facial appearance, mental retardation, short stature and sparse hair....more »
    1291. Dental caries
     A destructive process causing decalcification of the tooth enamel leading to cavitation of the tooth...more »
    1292. Dentatorubral Pallidoluysian Atrophy
     A condition caused by an abnormality of the DNA sequence on chromosome 12...more »
    1293. Dentinogenesis imperfecta -- short stature -- hearing loss -- mental retardation
     A rare syndrome characterized by teeth anomalies (dentinogenesis imperfecta), short stature, hearing loss and mental retardation....more »
    1294. Denys-Corbeel syndrome
     A rare familial syndrome characterized by short stature, mental retardation and kidney problems....more »
    1295. Deposition diseases related fibromyalgia
     Deposition diseases related fibromyalgia refers to fibromyalgia that is associated with deposition diseases. Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the tissues. Deposit...more »
    1296. Depression
     Various syndromes with excessive anxiety, phobias, or fear....more »
    1297. Depressive disorders
     Depression or its various related conditions....more »
    1298. Dermatoleukodystrophy
     A very rare progressive brain disease associated with thick wrinkled skin. Only two reported cases with both dying within three years of birth....more »
    1299. Dermatophobia
     An exaggerated or irrational fear of skin disease....more »
    1300. Deshi Dewa-induced lead poisoning
     Deshi Dewa is a folk remedy by Indian people as a fertility medicine. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is ...more »
    1301. Developmental delay -- hypotonia extremities hypertrophy
     A very rare syndrome characterized mainly by poor muscle tone, developmental delay....more »
    1302. Developmental delay due to 2-methylbutyryl-CoA dehydrogenase deficiency
     A very rare genetic disorder where an enzyme deficiency prevents the break down of certain proteins into energy and results in a harmful accumulation of acids in the blood and body tissues. More specifically, there is a deficiency of an enzyme (2-methylbu...more »
    1303. Dexedrine overdose
     Dexedrine is a prescription drug mainly used to treat attention deficit hyperactivity disorder and narcolepsy. Excessive doses of the drug can result in various symptoms and even death in severe cases....more »
    1304. Dexedrine withdrawal
     Symptoms that occur when Dexedrine use is discontinued or reduced. Dexedrine is an amphetamine. Symptoms may vary depending on the level of dependence. Symptoms are usually peak during the second day and last about a week....more »
    1305. Dextrophobia
     An exaggerated or irrational fear of objects on the right side of the body....more »
    1306. DiGeorge syndrome
     22q11.2 deletion syndrome is a genetic disorder which can result in a vast array of symptoms. Various names have been used to describe different manifestations of the syndrome. Di George Syndrome primarily involves an underdeveloped thymus and parathyroid...more »
    1307. Diabetes Insipidus
     Rare pituitary disorder often affecting the kidneys....more »
    1308. Diabetes Insipidus, Neurogenic
     A disturbed water balance due to a deficiency of vasopressin (antidiuretic) hormone which causes excessive thirst and urination. Causes include autoimmune disease, malignancy, trauma, infection and blood vessel disease....more »
    1309. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 1
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1310. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 10
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1311. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 11
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1312. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 12
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1313. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 13
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1314. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 15
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1315. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 17
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1316. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 18
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1317. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 19
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1318. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 2
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1319. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 20
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1320. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 21
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1321. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 22
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1322. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 23
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1323. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 24
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1324. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 3
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1325. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 4
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1326. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 5
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1327. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 6
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1328. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 7
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1329. Diabetes Mellitus, Insulin-Dependent, Susceptibility to, 8
     Insulin-dependent diabetes is a condition where the body is unable to produce its own insulin in sufficient quantities to regulate blood sugar levels. Researchers have discovered a number of genes which are linked to an increased risk of developing type 1...more »
    1330. Diabetes insipidus, diabetes mellitus, optic atrophy
     A rare association of diabetes insipidus, diabetes mellitus, optic atrophy, and deafness....more »
    1331. Diabetes insipidus, diabetes mellitus, optic atrophy, deafness, mitochondrial form
     A rare association of diabetes insipidus, diabetes mellitus, optic atrophy and deafness which results in mitochondrial defects....more »
    1332. Diabetes insipidus, nephrogenic type 2
     A rare congenital condition where the kidney fails to respond to the antidiuretic hormone (arginine vasopressin), thus preventing reabsorption of water. This results in excessive urination and thirst. Type II is specifically caused by a defect in the AQP2...more »
    1333. Diabetes insipidus, nephrogenic, dominant type
     A rare dominantly inherited, congenital condition where the kidney fails to respond to the antidiuretic hormone (arginine vasopressin), thus preventing reabsorption of water. This results in excessive urination and thirst. The condition is specifically ca...more »
    1334. Diabetes insipidus, nephrogenic, recessive type
     A rare recessively inherited, congenital condition where the kidney fails to respond to the antidiuretic hormone (arginine vasopressin), thus preventing reabsorption of water. This results in excessive urination and thirst. The condition is specifically c...more »
    1335. Diabetic hypoglycemia
     Low blood sugar attack from insulin or diabetes medications...more »
    1336. Dialysis encephalopathy syndrome
     A progressive brain disease that occurs in some patients who undergo chronic hemodialysis. Aluminium intoxication is believed to play a role in the disease....more »
    1337. Diaphragmatic hernia -- exomphalos -- corpus callosum agenesis
     A very rare syndrome characterized mainly by a diaphragmatic hernia (defect in the diaphragm that allows some of the abdominal organs to move into the chest cavity), brain development abnormalities and deafness....more »
    1338. Diaphragmatic paralysis
     Diaphragmatic paralysis occurs when the muscles associated with breathing become do weak to function properly. Breathing becomes difficulty and severe cases can result in death if breathing assistance is not delivered. The condition can result from such t...more »
    1339. Dibasic aminoaciduria 2
     A rare condition where protein intolerance occurs as a result of a defect in the transport of dibasic amino acids through the intestines and kidneys. The amino acids (component of protein) can't be broken down properly and used by the body so it builds up...more »
    1340. Dibasic aminoaciduria type 1
     A rare disorder where the kidney excretes excessive amounts of certain amino acids (lysine, ornithine and arginine....more »
    1341. Diencephalic Syndrome
     A condition characterized by dysfunction of the diencphalon of the brain...more »
    1342. Digitorenocerebral syndrome
     A very rare syndrome characterized by numerous abnormalities involving the brain, kidneys, fingers, toes, nails and face as well as mental retardation and vision impairment....more »
    1343. Dikephobia
     An exaggerated or irrational fear of justice....more »
    1344. Dilaudid withdrawal
     Symptoms that occur when Dilaudid use is discontinued or reduced. Dilaudid is a pain-killing drug. Symptoms may vary depending on the level of dependence. Symptoms are usually peak during the second day and last about a week....more »
    1345. Dilutional hyponatremia
     Low sodium levels due to excessive fluids....more »
    1346. Dimorphic anemia
     Dimorphic refers to anemia that has two different causes acting together e.g. iron deficiency as well as a Vitamin B12 deficiency....more »
    1347. Dinophobia
     An exaggerated or irrational fear of whirlpools....more »
    1348. Diogenes syndrome
     A rare condition where a person (usually an elderly person) fails to look after there personal cleanliness and hygiene. They tend to be untidy and hoard rubbish....more »
    1349. Diomedi-Bernardi-Placidi syndrome
     A very rare syndrome characterized mainly by epilepsy, mental retardation and progressive leg weakness and spasticity....more »
    1350. Diphenyl-hydantoin -- Teratogenic Agent
     There is strong evidence to indicate that the use of Diphenyl-hydantoin 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 le...more »
    1351. Diplopiaphobia
     An exaggerated or irrational fear of double vision....more »
    1352. Dipsophobia
     An exaggerated or irrational fear of drinking....more »
    1353. Dipylidiasis
     A parasitic intestinal infection caused by a tapeworm called Dipylidium caninum. The parasite commonly infects dogs and cats but can occur in humans. Transmission usually occurs through accidental ingestion of infected cat or dog fleas. Children are more ...more »
    1354. Discontinuation syndrome
     Symptoms that can occur when a person suddenly stops taking their high blood pressure medication....more »
    1355. Diseases associated with senile cataract
     It is a vision impairing disease characterised by gradual , progressive thickening of the lens....more »
    1356. Diseases contagious contagious mother-to-fetus
     Diseases contagious from mother to a fetus during pregnancy...more »
    1357. Diseases contagious during childbirth
     Diseases that are contagious during childbirth...more »
    1358. Disequilibrium syndrome
     A complication that can occur during or after dialysis and probably caused by abnormal water balance within the brain. Swelling of the brain causes a range of neurological symptoms....more »
    1359. Dissociative Identity Disorder
     A neurotic mental disorder where a person's field of consciousness is limited in order to fulfill an unconscious goal. Often selective amnesia is involved and the person develops what is called multiple personalities....more »
    1360. Dissociative disorder
     A sudden change in the state of consciousness and identity...more »
    1361. Distal trisomy 6q
     Partial Trisomy 6q is a very rare genetic disorder where there are three copies of a portion of chromosome 6 in the cells of the body instead of the normal two. The range and severity of symptoms is variable....more »
    1362. Distinctive Craniofacial Features -- Pterygia -- Mental Retardation
     A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies....more »
    1363. Dobriner syndrome
     An inherited metabolic disorder involving a deficiency of coproporphyrinogen oxidase. The condition is similar to but milder than intermittent porphyria and sometimes includes photosensitivity....more »
    1364. Dobrow syndrome
     A very rare syndrome characterized mainly by abnormal webbing inside the mouth, short stature, eye problems, mental retardation and small head, jaw, eyes and mouth....more »
    1365. Domatophobia
     An exaggerated or irrational fear of being inside a house....more »
    1366. Doraphobia
     An exaggerated or irrational fear of contact with animal fur or skin....more »
    1367. Double Depression
     Double depression occurs when someone with dysthymia experiences an episode of major depression....more »
    1368. Double cortex syndrome
     A rare brain development disorder which causes mental retardation and epilepsy. An extra layer of nerves develops under the brain cortex....more »
    1369. Dowling-Degos disease
     A rare condition characterized by progressive enlargement of pigmented areas that occur on areas of creased or folded skin such as armpits, groin, breasts and limbs....more »
    1370. Down Syndrome
     A chromosome syndrome causing physical effects and mental retardation....more »
    1371. Down's Syndrome associated Alzheimer's disease
     Early-onset Alzheimer's is more prevalent in Down's Syndrome sufferers than in the general population. Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory...more »
    1372. Down's syndrome associated Celiac Disease
     Patients with Down's syndrome have a high degree of susceptibility to developing celiac disease. Up to 17% of Down's syndrome sufferers develop celiac disease but this rate varies amongst age groups and country of origin. Celiac disease is an autoimmune d...more »
    1373. Doxepine-induced Immune Hemolytic Anemia
     Doxepine -induced immune hemolytic anemia is a condition where use of a medication called Methyldopa triggers the body's immune system to destroy it's own red blood cells which results in anemia....more »
    1374. Dravet syndrome
     A rare, severe form of generalized infant epilepsy that starts after a fever. Initial infant development is normal but once the seizures start, psychomotor development slows and mental decline occurs. The seizures usually occur every month or two to start...more »
    1375. Drug abuse
     Addiction to any of various illicit drugs....more »
    1376. Drug poisoning
     The poisoning of an individual with a noxious substance...more »
    1377. Drug-induced Immune Hemolytic Anemia
     Drug-induced immune hemolytic anemia is a condition where a medication triggers the body's immune system to destroy its own red blood cells which results in anemia. Certain drugs are more likely to trigger this abnormal immune response than others e.g. ce...more »
    1378. Drug-induced Sideroblastic anemia
     Drug-induced sideroblastic anemia is a blood disorder caused by drugs such as cycloserine, isoniazid and ethanol. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blo...more »
    1379. Drug-induced hypertension
     Drug-induced hypertension is high blood pressure caused by taking certain drugs or medications e.g. corticosteroids, cyclosporine, amphetamines, alcohol and estrogens....more »
    1380. Drug-related insomnia
     Drug related insomnia is sleeplessness that is attributable to the excessive usage of medications....more »
    1381. Drug-resistant Streptococcus pneumoniae
     A form of streptococcus pneumoniae which is resistant to antibacterials that are usually used to destroy it...more »
    1382. Duane anomaly -- mental retardation
     A very rare syndrome characterized mainly by mental retardation and eye movement problems (Duane anomaly)....more »
    1383. Dubowitz Syndrome
     A rare genetic and developmental disorder characterized by infantile eczema, small stature, microcephaly and peculiar facial features....more »
    1384. Dup (1) (q42-qter) & del (18p)
     A rare chromosomal disorder which manifests as various physical and mental abnormalities. Patients tend to die within the first couple of decades but the condition is poorly defined....more »
    1385. Dup (1) (q44-qter)
     A rare chromosomal disorder which manifests as mental retardation and other variable features Death can occur early in life....more »
    1386. Dup (2) (p11-q14)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1387. Dup (2) (p21-p12)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1388. Dup (2) (p21-p13)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1389. Dup (2) (p22-p21)
     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....more »
    1390. Dup (2) (p25.2-p23)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1391. Dup (2) (pter-p22.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1392. Dup (2) (pter-p23)
     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....more »
    1393. Dup (2) (q11.2-q13)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1394. Dup (2) (q11.2-q14.2)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1395. Dup (2) (q11.2-q21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1396. Dup (2) (q11.2-q21.1)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1397. Dup (2) (q32-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....more »
    1398. Dup (2) (q32.1-q35)
     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....more »
    1399. Dup (2) (q32.3-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1400. Dup (2) (q33-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....more »
    1401. Dup (2) (q33-qter) and del (9) (pter-p24)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1402. Dup (2) (q33-qter) and dup (21) (pter-q21)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1403. Dup (2) (q33.1-q35)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1404. Dup (2) (q33.3-qter), mosaicism with del (2) (pter-p25.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1405. Dup (2) (q34-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....more »
    1406. Dup (3) (p14-p11)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1407. Dup (3) (p22-p14)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1408. Dup (3) (p24-p21) and del (3) (p14-p13)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1409. Dup (3) (p25-p21.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1410. Dup (3) (pter-p22) and del (X) (pter-p22)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1411. Dup (3) (pter-p24.3) and del (7) (pter-p22.1)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1412. Dup (3) (pter-p25)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in nine reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1413. Dup (3) (pter-p25.1) and del (12) (pter-p13.3)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1414. Dup (3) (q21-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in fourteen reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1415. Dup (3) (q22-q27)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1416. Dup (3) (q23-q27)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1417. Dup (3) (q25-q26.2)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1418. Dup (3) (q25-q27)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1419. Dup (3) (q25-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in a few reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1420. Dup (3) (q26.2-qter) and del (18p)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in two reported cases. The manifestations linked to most genetic defects are often variable to some degree....more »
    1421. Dup (3) (q29-qter) and del (6) (q26-qter)
     A rare chromosomal disorder characterized by various anomalies. The listed symptoms are those observed in one reported case. The manifestations linked to most genetic defects are often variable to some degree....more »
    1422. Dup(1) (p22.1-p13.3)
     A very rare chromosomal disorder where a portion of the short arm (p22.1-p13.3) of chromosome one is duplicated. The type and severity of symptoms is variable....more »
    1423. Dup(1) (p31-p21)
     A very rare chromosomal disorder where a portion of the short arm (p31-p21) of chromosome one is duplicated. The type and severity of symptoms is variable....more »
    1424. Dup(1) (p31.4-p22.1)
     A very rare chromosomal disorder (single reported case) where a portion of the short arm (p31.4-p22.1) of chromosome one is duplicated. The type and severity of symptoms is variable....more »
    1425. Dup(1) (q11-q25) mosaicism
     A very rare chromosomal disorder where a portion of the long arm (q11-q25) of chromosome one is duplicated in some of the body's cells....more »
    1426. Dup(1) (q24-q41)
     A very rare chromosomal disorder (two reported cases) where a portion of the long arm (q24-q41) of chromosome one is duplicated. The type and severity of symptoms may vary - one patient died soon after birth whereas the other survived with severe problems...more »
    1427. Dup(1) (q25-q32)
     A very rare chromosomal disorder where a portion of the long arm (q25-q32) of chromosome one is duplicated. The type and severity of symptoms may vary....more »
    1428. Dup(1p36.3)
     A very rare chromosomal disorder where a portion of the short arm (1p36.3) of chromosome one is duplicated....more »
    1429. Duplication 10q partial
     A very rare genetic disorder characterized by the duplication of genetic material from the long arm (q) of chromosome 10 - the genetic material occurs three times in body cells instead of the normal two. The type and severity of symptoms may vary consider...more »
    1430. Duplication 13
     A rare and very severe chromosome disorder leading to mental retardation and physical defects. It is so severe that many babies die soon after birth. The type and severity of symptoms varies depending on the amount and exact location of the genetic materi...more »
    1431. Duplication 18
     A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Duplication 18 syndrome is more severe than ...more »
    1432. Duplication 5p
     A rare chromosomal disorder where there are three copies of all or part of the short arm (p) of chromosome 5 rather than the normal two. The type and severity of symptoms is determined by the location and size of the genetic material duplicated....more »
    1433. Duplication 6q, partial
     Partial Trisomy 6q is a very rare genetic disorder where there are three copies of a portion of chromosome 6 in the cells of the body instead of the normal two. The range and severity of symptoms is variable....more »
    1434. Dwarfism
     Short stature. There are several types of dwarfism: acromelic (short hand and foot bones), mesomelic (short forearm and lower leg bones) and rhizomelic (short upper arm and leg bones)....more »
    1435. Dwarfism -- tall vertebrae
     A rare form of dwarfism characterized by short stature as well as unusually tall vertebrae and hip deformities....more »
    1436. Dykes-Markes-Harper syndrome
     A very rare syndrome characterized mainly by dry, scaly skin, enlarged liver and spleen and a incoordination....more »
    1437. Dysautonomia like disorder
     A very rare condition observed in two sibling and characterized mainly by mental retardation and autonomic neuropathy. The sense of taste is normal....more »
    1438. Dysequilibrium syndrome
     A very rare syndrome characterized mainly by mental retardation and nonprogressive incoordination....more »
    1439. Dysharmonic skeletal maturation -- muscular fiber disproportion
     A very rare syndrome characterized mainly by abnormal bone development and muscle problems....more »
    1440. Dyskeratosis congenita of Zinsser-Cole-Engman
     An inherited condition characterized by recurring painful mouth ulcers, skin pigmentation and nail abnormalities....more »
    1441. Dyslexia
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1442. Dyslexia, Susceptibility to, 1
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1443. Dyslexia, Susceptibility to, 2
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1444. Dyslexia, Susceptibility to, 3
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1445. Dyslexia, Susceptibility to, 4
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1446. Dyslexia, Susceptibility to, 5
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1447. Dyslexia, Susceptibility to, 6
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1448. Dyslexia, Susceptibility to, 7
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1449. Dyslexia, Susceptibility to, 8
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1450. Dyslexia, Susceptibility to, 9
     Dyslexia is a name for a condition where people have difficulty with reading and writing. People with dyslexia have normal intelligence and are not in any way mentally retarded or intellectually challenged. The difficulty with certain tasks is believed to...more »
    1451. Dysmorphism -- abnormal vocalization -- mental retardation
     A very rare syndrome characterized mainly by mental retardation, facial abnormalities and an abnormal voice....more »
    1452. Dysmorphism -- cleft palate -- loose skin
     A very rare syndrome characterized mainly by facial abnormalities, an opening in the roof of the mouth and loose skin....more »
    1453. Dysmorphophobia
     An exaggerated or irrational fear of deformity. It usually relates to deformities in other people....more »
    1454. Dysomnia
     Dysomnia is a general term for sleep disorder. It is a primary sleep disorder in which the patient suffers from changes in the quantity, quality, or timing of sleep....more »
    1455. Dysosteosclerosis
     A rare inherited condition characterized by bone development abnormalities (excessive hardening of bone and flattened vertebrae), characteristic facial features. Excessive bone growth at the base of the skull can damage the optic nerves and affect vision....more »
    1456. Dysphasic dementia, hereditary
     An inherited form of dementia caused by nerve degeneration....more »
    1457. Dysthymia
     Mild form of depression...more »
    1458. Dysthymia/seasonal depression disorder, PND
    1459. Dystonia, Dopa-Responsive, Due to Sepiapterin Reductase Deficiency
     A movement disorder resulting from an enzyme deficiency (sepiapterin reductase). A deficiency of this enzyme leads to low levels of serotonin and dopamine which manifests as neurological impairment in the form of motor and cognitive problems. The severity...more »
    1460. Dystonia-Parkinsonism, Adult-Onset
     A rare condition characterized by the association of parkinsonism and dystonia due to a neurodegenerative disorder which progresses quickly....more »
    1461. 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 func...more »
    1462. Ear Psoriasis
     Psoriasis is a chronic skin condition characterized by scaling and inflammation of the skin which can occur on virtually any part of the body. Ear psoriasis refers to psoriasis that develops on the ears. It can be the result of psoriasis spreading from th...more »
    1463. Earache
     Pain in the ear called "otalgia"...more »
    1464. Early-onset Alzheimer's
     Early-onset Alzheimer's is a form of Alzheimer's disease that is linked to genetic defects or occurs in a familial pattern. It is not as common as the non-inherited form of Alzheimer's - occurs in up to 90% of Alzheimer sufferers. Alzheimer's disease is a...more »
    1465. East African Trypanosomiasis
     East African sleeping sickness from the tsetse fly...more »
    1466. East Syndrome
     A rare syndrome characterized mainly by mental retardation, deafness, ataxia and electrolyte imbalance....more »
    1467. Eccentrochondrodysplasia
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of certain enzymes needed to break it down....more »
    1468. Ecclesiophobia
     An exaggerated or irrational fear of church....more »
    1469. Ecophobia
     An exaggerated or irrational fear of home surroundings....more »
    1470. Ecstasy abuse
     Use of the illicit drug called ecstasy...more »
    1471. Ecstasy addiction
     An uncontrollable desire to use ecstasy on a regular basis. Chronic ecstasy use can lead to dependency in as little as two weeks. Ecstasy is a synthetic psychoactive drug often used as a recreational drug. Street names for the drug includes: XTC, Adam, Cl...more »
    1472. Ecstasy withdrawal
     Symptoms that occur when ecstasy use is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    1473. Ectodermal dysplasia -- mental retardation -- CNS malformation
     A rare syndrome characterized mainly by mental retardation, central nervous system disorders and skin, hair and nail abnormalities....more »
    1474. Ectodermal dysplasia -- mental retardation -- central nervous system malformation
     A rare syndrome characterized by severe mental retardation, hypothyroidism, abnormal brain development and hair, teeth and nail abnormalities....more »
    1475. Ectodermal dysplasia -- neurosensory deafness
     A rare syndrome characterized by nerve deafness, abnormally bent fifth fingers, ectodermal dysplasia and scoliosis....more »
    1476. Ectodermal dysplasia mental retardation syndactyly
     A rare syndrome characterized by mental retardation, webbed fingers and hair, nail and teeth abnormalities....more »
    1477. 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....more »
    1478. Ectomorphic Habitus -- Severe Mental Retardation -- Characteristic Face
     A rare condition characterized by severe mental retardation, underweight build and a characteristic facial appearance....more »
    1479. Ectopia lentis, isolated
     A rare syndrome characterized by dislocation of eye lenses which often occurred at birth....more »
    1480. Ectrodactyly-ectodermal dysplasia-cleft lip/cleft palate
     A rare inherited condition characterized by abnormalities of the fingers, toes, hair, glands, eyes anr urinary tract....more »
    1481. Edinburgh malformation syndrome
     A rare syndrome characterized mental and physical retardation, infant death and various other abnormalities....more »
    1482. Edward Syndrome
     A rare genetic chromosomal syndrome where the child has an extra third copy of chromosome 18. Most fetuses are aborted before term, but a live birth with this condition occurs with a frequency around 1-in-3000. Duplication 18 syndrome is more severe than ...more »
    1483. Ehlers-Danlos syndrome type IX
     A rare genetic connective tissue disorder involving a defective copper metabolism and characterized by mildly hyperextensible skin, lax joints, bladder problems and chronic diarrhea....more »
    1484. Ehlers-Danlos syndrome, Beasley Cohen type
     A rare condition where mental retardation, deafness and cataracts are associated with a connective tissue disorder called Ehlers-Danlos syndrome....more »
    1485. Ehlers-Danlos syndrome, X-linked
     A rare developmental brain abnormality. Type 1 is caused by a defect on chromosome Xq28....more »
    1486. Ehlers-Danlos syndrome, classic type
     A rare genetic connective tissue disorder characterized by hypermobile joints, joint dislocations and skin hyperextensibility and fragility - a combination of ED types I and II....more »
    1487. Ehlers-Danlos syndrome, progeroid form 2
     A rare genetic connective tissue disorder characterized by hypermobile joints, fragile skin, mental retardation and short stature....more »
    1488. Eisoptrophobia
     An exaggerated or irrational fear of mirrors....more »
    1489. Elective mutism
     A rare psychiatric disorder where a child chooses not to speak in a social setting even though they are capable of speaking and often do so at home....more »
    1490. Electrocution
     Any injury caused by electricity...more »
    1491. Electrolyte abnormality
     An imbalance in the level of any of a number of chemicals (electrolytes) in the blood stream e.g. chloride, sodium, magnesium, potassium, calcium, phosphate and bicarbonate. Symptoms can vary depending on which electrolyte is involved and the severity of ...more »
    1492. Electrophobia
     An exaggerated or irrational fear of electricity or receiving an electric shock....more »
    1493. Eleutherophobia
     An exaggerated or irrational fear of freedom....more »
    1494. Emerinopathy
     A rare, progressive muscle disease that starts during childhood and involves muscle weakness and wasting....more »
    1495. Emery-Dreifuss muscular dystrophy, X-linked
     A muscle wasting disorder mainly involving the muscles in the arms, legs, face, neck, spine and heart. Symptoms generally only occur in males but female carriers may have some symptoms....more »
    1496. Emery-Nelson syndrome
     A rare condition characterized by a flat face and hand and foot abnormalities....more »
    1497. Emetophobia
     An exaggerated or irrational fear of vomiting....more »
    1498. Emotional disorders
     A disorder of emotions...more »
    1499. Emotional stress
     A condition which occurs when a person is under stress affecting their emotions...more »
    1500. Encephalitis
     Dangerous infection of the brain...more »
    1501. Encephalitis lethargica
     A rare brain disease characterized by fever, headache, lethargy and reduced physical and mental responses. The disease occurred as an epidemic in the 1920's but now occurs sporadically - the exact cause is still not known....more »
    1502. Encephalo cranio cutaneous lipomatosis
     A rare genetic disorder characterized by craniofacial lipomas, cerebral atrophy and patches of alopecia....more »
    1503. Encephalocele anterior
     Protrusion of a portion of the brain tissue through a skull defect in the anterior portion of the skull. The severity of symptoms depends on the exact location and size of the deformity....more »
    1504. Encephalocele frontal
     Protrusion of a portion of the frontal brain tissue through a skull defect. The severity of symptoms depends on the exact location and size of the deformity....more »
    1505. Encephaloceles
     Improper protrusions of parts of the meninges and brain....more »
    1506. Encephalomyelitis
     Inflammation of the brain and spinal cord....more »
    1507. Encephalopathy -- intracranial calcification -- growth hormone deficiency -- microcephaly -- retinal degeneration
     A rare condition characterized mainly by brain disease, poor growth due to a deficiency of growth hormone, a small head and vision impairment....more »
    1508. Encephalopathy due to sulphite oxidase deficiency
     An inborn error of metabolism where an enzyme (sulphite oxidase) deficiency results in encephalopathy. Symptoms usually start at birth....more »
    1509. Encephalopathy, familial, with neuroserpin inclusion bodies
     A rare neurodegenerative disorder involving brain disease due to a genetic chemical abnormality which results in the abnormal deposit of neuroserpin inclusion bodies which is harmful to the nerves....more »
    1510. Endocardial fibroelastosis
     A rare heart disorder characterized by a thickening of the heart muscle lining causing heart enlargement and heart failure....more »
    1511. Endogenous depression
     Endogenous depression is a mood disorder that affects some people from birth and is believed to be a genetic condition. A sufferer is prone to become depressed on the advent of traumatic events, exhaustion or when under high levels of stress and may not b...more »
    1512. Endogenous insomnia
     Insomnia that is often caused by a discomfort within the body ranging from indigestion to pain....more »
    1513. Endomyocardial fibroelastosis
     A rare heart malformation involving an abnormal thickening of the part of the heart muscle called the endocardium which affects the heart's function. Death is common in infancy and during early childhood....more »
    1514. Enetophobia
     An exaggerated or irrational fear of pins or needles....more »
    1515. Engelhard-Yatziv syndrome
     A rare syndrome characterized mainly by droopy eyelids, small head and finger and toe abnormalities....more »
    1516. English Ivy poisoning
     English Ivy is a poisonous vine fund in Europe, US and Canada. The leaves and berries are the most toxic part of the plant but all parts of the plant are toxic. Falcarinol and polyacetylene are the toxic chemicals found in the plant....more »
    1517. Enterovirus antenatal infection
     Fetal infection with enterovirus. The condition is extremely rare but infection around the time of birth often results in death or paralysis in survivors. The type and severity of symptoms is determined by the exact type of virus involved and at what stag...more »
    1518. Entomophobia
     An exaggerated or irrational fear of insects....more »
    1519. Eosophobia
     An exaggerated or irrational fear of the dawn....more »
    1520. Ependymoma
     A tumor that occurs in the central nervous system (brain and spinal cord). Symptoms vary according to the aggressiveness, size and exact location of the tumor....more »
    1521. 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....more »
    1522. Epidermolysis bullosa
     A group of rare inherited skin diseases characterized by fragile skin which forms blisters with even minor injuries. The blisters can be painful and can occur anywhere on the skin and even inside the digestive tract....more »
    1523. Epidermolysis bullosa, late-onset, localized junctional, with mental retardation
     A rare genetic disorder characterized by mental retardation, hair and nail disorders, absence of teeth and areas fragile skin that blisters easily....more »
    1524. Epilepsy -- mental deterioration, Finnish type
     A rare disorder that occurs predominantly in people of Finnish origin and is characterized by the association of epilepsy with mental retardation....more »
    1525. Epilepsy -- microcephaly -- skeletal dysplasia
     A rare syndrome characterized by epilepsy, a small head and skeletal abnormalities....more »
    1526. Epilepsy -- telangiectasia
     A rare syndrome characterized by the association of epilepsy with telangiectasias on the conjunctiva of the eyelids....more »
    1527. Epilepsy with myoclonic-astatic crisis
     A form of childhood epilepsy which is associated with a sudden loss of muscle tone which often results in the sufferer falling over and possibly injuring themselves....more »
    1528. Epilepsy, Pyridoxine-Dependent
     A form of epilepsy which responds to pyridoxine hydrochloride administration and not to standard anticonvulsant medication....more »
    1529. Epilepsy, X-linked -- learning disabilities -- behavior disorders
     An inherited syndrome characterized by epilepsy, behavioral disorders and learning disability. Patients may suffer various combinations of the disorder. The onset of seizures can vary from childhood to adulthood....more »
    1530. Epilepsy, myoclonic progressive familial
     A progressive central nervous system disorder characterized by involuntary muscle jerking that can involve just the limbs or the whole body....more »
    1531. Epilepsy, progressive myoclonic 3
     A genetic disorder involving the early onset of progressive myoclonic epilepsy. The infant develops normally for the first year or so of life and the seizures start usually before the age of two. Once the seizures start, neurological degeneration begins....more »
    1532. Epilepsy, pyridoxin-dependent
     A form of epilepsy which responds to pyridoxine hydrochloride administration and not to standard anticonvulsant medication....more »
    1533. Epileptic encephalopathy, early infantile, 1
     A genetic form of epilepsy which is severe and starts during infancy. This form of the condition is caused by a defect on the ARX gene....more »
    1534. Epileptic encephalopathy, early infantile, 2
     A genetic form of epilepsy which is severe and starts during infancy. The condition is considered an atypical form of Rett syndrome due to the development of stereotypical hand movements and repetitive behaviors. This form of the condition is caused by a ...more »
    1535. Epiphyseal dysplasia -- hearing loss -- dysmorphism
     A rare syndrome characterized mainly by hearing loss, unusual face and bone development abnormalities....more »
    1536. Epiphyseal dysplasia dysmorphism camptodactyly
     A rare syndrome characterized mainly by hearing loss, unusual face and bone development abnormalities....more »
    1537. Epstein Barr virus related fibromyalgia
     Epstein Barr virus related fibromyalgia refers to fibromyalgia that is associated with infection with the Epstein Barr virus. Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the...more »
    1538. Ergasiophobia
     An exaggerated or irrational fear of or aversion to work. The word is sometimes used to describe a surgeon's fear of operating....more »
    1539. Ergophobia
     An exaggerated or irrational fear of work....more »
    1540. Erotophobia
     An exaggerated or irrational fear of sexual feelings. The condition is characterized by feelings of guilt and fear about sex. Sufferers dislkike talking about sex, are less likely to engage in sexual relations and have a very negative view of sexually exp...more »
    1541. Erythrophobia
     An exaggerated or irrational fear of blushing....more »
    1542. Erythropoietin-induced hypertension
     Erythropoietin-induced hypertension is high blood pressure caused by taking erythropoietin which is sometimes used to treat anemia in conditions such as chornic kidney failure. Patients with an existing history of hypertension may suffer further blood pre...more »
    1543. Ethanol-induced Sideroblastic anemia
     Ethanol-induced sideroblastic anemia is a blood disorder caused by consuming ethanol. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blood cells which make them una...more »
    1544. Ethylenediamine dihydrochloride mix allergy
     A Ethylenediamine dihydrochloride allergy refers to an adverse reaction by the body's immune system to Ethylenediamine dihydrochloride which is often found in medicinal preparations such as skin creams and nose drops. It also has various industrial uses. ...more »
    1545. Euhidrotic ectodermal dysplasia
     A rare syndrome characterized mainly by tooth, hair and facial abnormalities....more »
    1546. Euphophobia
     An exaggerated or irrational fear of good news....more »
    1547. Excessive dieting
     Excessive limitation of food intake can lead to problems and effects such as dizziness, depression, intestinal problems, edema and impaired growth....more »
    1548. FG Syndrome
     A rare genetic disorder characterized by anal abnormalities, reduced muscle tone and a prominent forehead....more »
    1549. 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....more »
    1550. 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....more »
    1551. 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....more »
    1552. 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....more »
    1553. 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....more »
    1554. FRAXD
     A condition where a particular genetic mutation (Xq27.2) causes mental retardation....more »
    1555. Fabry's Disease
     Genetic fat storage disorder...more »
    1556. Facial Psoriasis
     Psoriasis is a chronic skin condition characterized by scaling and inflammation of the skin which can occur on virtually any part of the body. Facial psoriasis refers to psoriasis that develops on the skin of the face. This location is particularly proble...more »
    1557. Facial asymetry -- temporal seizures
     A rare condition characterized mainly by seizures that originate from the temporal lobe of the brain....more »
    1558. Facial asymmetry -- temporal seizures
     A rare condition characterized mainly by seizures that originate from the temporal lobe of the brain as well as facial asymmetry....more »
    1559. Facial clefting corpus callosum agenesis
     A rare syndrome characterized by the association of facial clefts with a brain defect where the structure between the two halves of the brain (corpus callosum) fails to develop. Symptoms may vary somewhat depending on how much of the corpus callosum is mi...more »
    1560. Facial dysmorphism -- intellectual deficit -- short stature -- hearing loss
     A very rare inherited disorder characterized by retarded growth, mental retardation, bone abnormalities and distinctive facial features....more »
    1561. Facial dysmorphism -- shawl scrotum -- joint laxity syndrome
     A very rare syndrome characterized mainly by loose joints, facial anomalies and a shawl scrotum....more »
    1562. Faciocardiomelic Syndrome
     A syndrome reported in a family and characterized by various anomalies including mental retardation and bone abnoramlities....more »
    1563. Fahr's Syndrome
     A rare neurologic disorder where calcium is deposited in various parts of the brain resulting in progressive loss of motor and mental function....more »
    1564. Failure To Thrive
     Slow growth or inadequate weight gain of an infant or child....more »
    1565. Familial Forms of Alzheimer's Disease
     Alzheimer's disease is a progressive disorder involving degeneration of the brain. The disease mainly affects brain functions involving thinking, memory, personality and behaviour. Familial forms of the disease tend to run in families and are linked to mu...more »
    1566. Familial band heterotopia
     A rare inherited disorder where a part of the brain tissue is misplaced during development. More specifically, a layer of brain tissue is abnormally located in the white matter....more »
    1567. Familial chronic infantile diffuse sclerosis
     A degenerative brain disease involving deterioration of the brain white matter which affects motor and mental functioning. The chronic infantile form starts during infancy and progresses slowly with survival possible to middle age....more »
    1568. Familial hypertryptophanemia
     A rare genetic metabolic disorder characterized by high levels of tryptophan in the blood. The disorder tends to run in families (familial)....more »
    1569. 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 deter...more »
    1570. Familial hypothyroidism
     Impaired thyroid activity that tends to run in families....more »
    1571. Familial infantile metachromatic leukodystrophy -- late infantile
     An infantile form of an inherited biochemical disorder involving a deficiency of an enzyme called cerebroside sulfatase. The enzyme deficiency causes cerebroside sulfate to build up within the body and causes damage to the nervous system including the bra...more »
    1572. Familial porencephaly
     A very rare developmental abnormality that tends to run in families and is characterized by a localized accumulation of cerebrospinal fluid in the brain. The severity of symptoms is determined by the size and location of the brain abnormality....more »
    1573. Fanconi's syndrome
    1574. Fanconi-Turler syndrome
     A rare syndrome characterized mainly by mental retardation, ataxia and uncoordinated eye movements due to degeneration of parts of the brain....more »
    1575. Fanconi-ichthyosis-dysmorphism
     A very rare syndrome characterized by scaly skin (ichthyosis), anemia, muscle anomalies and various other abnormalities. All six reported cases died within 6 months....more »
    1576. Fara-Chlupackova syndrome
     A rare syndrome characterized mainly by ear, face and neck abnormalities....more »
    1577. Farber's disease
     A rare inherited biochemical disorder involving the deficiency of an enzyme called ceramidase resulting in the harmful accumulation of certain chemicals in the body which causes damage and inflammation....more »
    1578. Farouk-induced lead poisoning
     Farouk is a folk remedy by Saudi Arabian people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is sti...more »
    1579. Fatal familial insomnia
     A very rare inherited brain disease that severely affects sleep and causes progressive deterioration of mental and movement functions....more »
    1580. Febriphobia
     An exaggerated or irrational fear of fever....more »
    1581. Fecal incontinence
     Leaking or poorly controlled bowel motions...more »
    1582. Fechtner syndrome
     A rare condition characterized by the presence of large blood platelets, kidney inflammation, deafness and abnormal leukocytes....more »
    1583. Feigenbaum-Bergeron-Richardson syndrome
     A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries....more »
    1584. Female reproductive toxicity -- Alcohol
     There is some evidence which indicates that some women exposed to alcohol may suffer adverse effects as a result. Possible adverse effects due to chronic maternal alcohol exposure includes irregular menstrual cycle, fetal alcohol syndrome and physical and...more »
    1585. Fentanyl toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    1586. Fenton-Wilkinson-Toselano syndrome
     A rare syndrome characterized mainly by ataxia, light sensitivity and short stature....more »
    1587. Fetal brain disruption sequence
     A very rare syndrome characterized by skull and brain abnormalities....more »
    1588. Fetal warfarin syndrome
     A rare disorder caused by fetal exposure to warfarin (anticoagulant) and resulting in physical, neurological and mental abnormalities....more »
    1589. Fetterbush poisoning
     Fetterbush is an evergreen shrub which bears elongated spikes of small, urn-shaped flowers. The plant is found mainly in the US. The leaves and flower nectar contain andromedotoxin which is very poisonous if eaten. Severe poisoning can result in death....more »
    1590. Fibromatosis gingival -- hypertrichosis
     A rare disorder characterized by excessive growth of body hair and enlarged gums....more »
    1591. Fibromyalgia
     A difficult to diagnose condition affecting the muscles and/or joints...more »
    1592. Filippi Syndrome
     A very rare disorder involving finger and toe abnormalities, a small head, characteristic face and physical and mental retardation. The number of digits involved and extent of webbing between digits is variable as are many of the other features....more »
    1593. Fine-Lubinsky syndrome
     A very rare syndrome characterized mainly by a short head, deafness, cataracts and mental retardation....more »
    1594. Fitzsimmons-McLachlan-Gilbert syndrome
     A very rare syndrome characterized mainly by mental retardation paraplegia and thickened coarse skin on palms and soles....more »
    1595. Floating Harbor Syndrome
     A rare genetic disorder characterized by growth deficiency, typical facial appearance and speech delay....more »
    1596. Florida leucothoe poisoning
     The Florida leucothoe is a shrubby plant often grown in gardens. The leaves contain andromedotoxin which can cause serious symptoms if eaten. The plant is considered very poisonous and can result in death if sufficient quantities of leaves are consumed....more »
    1597. Focal cortical dysplasia type II
     Abnormal development of the brain cortex which results in severe, untreatable seizures which occur several times a day....more »
    1598. Focal cortical dysplasia type IIA
     Abnormal development of the brain cortex which results in severe, untreatable seizures which occur several times a day. Type IIA is distinguished by the lack of balloon cells wheras type IIB has balloon cells present. Balloon cells are abnormal cells in t...more »
    1599. Folate-deficiency anemia
     Folate-deficiency anemia is a blood condition characterized by low levels of folate in the body which leads to a reduction in the number of red blood cells. It is usually the result of a poor diet, malabsorption issues or the use of certain medications....more »
    1600. Folic acid toxicity
     Excessive consumption of folic acid can cause symptoms of toxicity....more »
    1601. Food Additive Adverse reaction -- MSG
     An intolerance to MSG is an adverse reaction (not an immune response) by the body to a food additive called MSG which is used in a number of foods. The adverse reaction results from the body's inability to metabolize or deal with the food additive. The am...more »
    1602. Food Additive Adverse reaction -- amines
     An intolerance to amines is an adverse reaction (not an immune response) by the body to amines which are found naturally in foods such as bananas, pineapples, vegetables, red wine, citrus fruit and many other foods. The adverse reaction results from the b...more »
    1603. Food Additive Adverse reaction -- chocolate
     An intolerance to chocolate is an adverse reaction (not an immune response) by the body to chocolate. The adverse reaction results from the body's inability to metabolize the food. The amount of chocolate required to trigger the onset of symptoms and the ...more »
    1604. Food Additive Adverse reaction -- food additives
     An intolerance to food additives is an adverse reaction (not an immune response) by the body to food additives. The adverse reaction results from the body's inability to metabolize or deal with the food additive. The amount of the substance required to tr...more »
    1605. Food Additive Adverse reaction -- salicylate
     An intolerance to salicylates is an adverse reaction (not an immune response) by the body to salicylates which is an ingredient in aspirin but is also found naturally in various fruit, vegetables, herbs and spices. The adverse reaction results from the bo...more »
    1606. Food Additive Adverse reaction -- sulfite
     An intolerance to sulfites is an adverse reaction (not an immune response) by the body to sulfites which is often used as a preservative in a variety of foods and medications including meats, salads and dried fruits. The adverse reaction results from the ...more »
    1607. Food Additive Adverse reaction -- sulphite
     An intolerance to sulphite is an adverse reaction (not an immune response) by the body to sulphite. The adverse reaction results from the body's inability to metabolize the substance. The amount of sulphite required to trigger the onset of symptoms and th...more »
    1608. Food Allergy -- beef
     A beef allergy is an adverse reaction by the body's immune system to beef. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with t...more »
    1609. Food Allergy -- buckwheat
     A buckwheat allergy is an adverse reaction by the body's immune system to buckwheat. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to cont...more »
    1610. Food Allergy -- chicken meat
     A chicken meat allergy is an adverse reaction by the body's immune system to chicken meat. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response t...more »
    1611. Food Allergy -- duck meat
     A duck meat allergy is an adverse reaction by the body's immune system to duck meat. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to cont...more »
    1612. Food Allergy -- goose meat
     A goose meat allergy is an adverse reaction by the body's immune system to goose meat. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to co...more »
    1613. Food Allergy -- lamb
     A lamb allergy is an adverse reaction by the body's immune system to lamb meat. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact w...more »
    1614. Food Allergy -- meat
     A meat allergy is an adverse reaction by the body's immune system to meat. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with t...more »
    1615. Food Allergy -- pork
     A pork allergy is an adverse reaction by the body's immune system to meat. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contact with t...more »
    1616. Food Allergy -- red meat
     A red meat allergy is an adverse reaction by the body's immune system to red meat. This type of allergy is rare and severe reactions are even rarer. The body's immune system produces immunoglobulin E (IgE - an antibody) and histamine in response to contac...more »
    1617. Food addiction
     Food addiction refers to compulsive eating that is unrelated to actual hunger. The person feels compelled to eat even when they aren't hungry. Although it is not considered a recognised addiction it can have a significant impact on a person's life and hea...more »
    1618. Four-O'Clock poisoning
     The Four-O'Clock plant is a popular flowering ornamental plant which often has different colored flowers on the same plant. The roots and seeds of the plant contains a toxin called trigonelline which can cause skin irritation upon contact with the skin or...more »
    1619. Foxglove poisoning
     The foxglove is a herb which produces fruit in a capsule and colored, tubular flowers. The leaves, flowers and seeds of the plant contain a very toxic chemical called digitalis glycoside which can cause serious symptoms or even death if eaten. Skin irrita...more »
    1620. Fragile-X Syndrome
     A rare inherited characterized by various physical anomalies as well as mental retardation. The symptoms are milder in females....more »
    1621. Franceschini-Vardeu-Guala syndrome
     A very rare disorder characterized by premature puberty, lower lip pits and Kabuki syndrome. Kabuki syndrome is a mental retardation syndrome which also involves a range of physical abnormalities....more »
    1622. Francois dyscephalic syndrome
     A rare genetic disorder characterized by very small stature, microphthalmia, small pinched nose and hypotrichosis....more »
    1623. Franek-Bocker-Kahlen syndrome
     A rare syndrome characterized mainly by a small head, brain defect, spasticity and high sodium level....more »
    1624. Frank-Ter Haar syndrome
     A rare genetic bone disorder characterized by skeletal abnormalities, enlarged corneas and characteristic facial abnormalities....more »
    1625. Frasier syndrome
     A rare syndrome involving kidney disease and male pseudohermaphrodism (genetic male with some female sex organs). Kidney failure can occur as early as adolescence....more »
    1626. Free sialic Acid storage disease
     A rare inherited biochemical disorder characterized by the accumulation of sialic acid in the tissues and excretion of sialic acid in the urine. There are mild and severe forms of the condition - the severe form result in death before birth or within a fe...more »
    1627. 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....more »
    1628. Fried syndrome
     A rare syndrome characterized mainly by mental retardation, buildup of fluid inside the skull and an unusual facial appearance. The disorder is inherted in a X-linked manner....more »
    1629. Frigophobia
     An exaggerated or irrational fear of cold....more »
    1630. Froelich's syndrome
     A rare condition where an endocrine abnormality (caused by such things as a pituitary tumor or damage to the hypothalamus) affects hormone levels which results in a variety of symptoms....more »
    1631. Fronto-temporal dementia and Parkinsonism linked to chromosome 17 (FTDP-17)
     A rare neurodegenerative disorder caused by a genetic anomaly and characterized by dementia and parkinsonism....more »
    1632. Frontotemporal dementia
     A degenerative brain disease involving frontal and temporal brain lobes resulting in dementia. Degeneration of the frontal lobe causes behavioral and personality changes degeneration of the temporal lobe causes semantic dementia....more »
    1633. Frontotemporal dementia, ubiquitin-positive
     A rare inherited neurodegenerative disorder characterized primarily by progressive social, behavioral and language deterioration due to changes in the frontotemporal portion of the brain....more »
    1634. Fryns Syndrome
     A rare genetic disorder characterized by diaphragmatic abnormalities, coarse face and abnormal growth or development of ends of fingers and toes....more »
    1635. Fryns macrocephaly
     A rare syndrome characterized by a large head, seizures, spasticity, weakness and unusual facial appearance....more »
    1636. Fryns-Aftimos syndrome
     A rare syndrome characterized mainly by abnormal brain development, epilepsy, mental retardation and unusual facial appearance....more »
    1637. Fryns-Smeets-Thiry syndrome
     A rare syndrome characterized by short stature, mental retardation, small head, skeletal anomalies and various other abnormalities....more »
    1638. Fucosidosis type 1
     A rare biochemical disorder involving deficiency of an enzyme (alpha-fucosidase) which results in accumulation of certain chemicals (glycosphingolipids) in the central nervous system and other body tissues. It is an infantile form of fucosidosis which sta...more »
    1639. Fucosidosis type II
     A form of the biochemical disorder called fucosidosis where an enzyme deficiency (alpha-fucosidase) results in the accumulation of certain chemicals (glycosphingolipids) in the central nervous system and other body tissues. Symptoms start later and progre...more »
    1640. Fukuyama type muscular dystrophy
     A rare inherited muscle wasting disease occurring predominantly in Japan and characterized by mental retardation and muscle weakness from infancy....more »
    1641. 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....more »
    1642. Fungal meningitis
     Fungal meningitis is an infection that causes swelling and irritation of the tissue around the brain and spinal cord. It usually strikes people whose weakened immune systems can't fight off infection. The disease is not common. but it can be very serious....more »
    1643. GM2-gangliosidosis, AB variant
     A very rare inherited disorder where the brain and spinal cord nerve cells (central nervous system) are progressively destroyed....more »
    1644. GSD IIB -- formerly
     A rare inherited disorder characterized by severe heart problems, varying degrees of muscle weakness and often mental retardation. Other symptoms such as mental retardation may also occur. The genetic anomaly manifests as a deficiency of a protein called ...more »
    1645. GSD2B -- formerly
     A rare inherited disorder characterized by severe heart problems, varying degrees of muscle weakness and often mental retardation. Other symptoms such as mental retardation may also occur. The genetic anomaly manifests as a deficiency of a protein called ...more »
    1646. GSS
     A rare familial brain disease caused by a pathogen called prions....more »
    1647. GTP cyclohydrolase deficiency
     A rare metabolic disorder caused by an enzyme deficiency (GTP cyclohydrolase) which causes a harmful build up of phenylalanine in the blood....more »
    1648. Galactosemia I
     A rare inherited disorder where deficiency of a particular enzyme (galactose-1-phosphate uridyl transferase) prevents the metabolism of galactose which is a sugar component of milk. Ranges from milk intolerance in mild cases to death in severe untreated c...more »
    1649. Galactosemia III
     A rare inherited disorder where deficiency of a particular enzyme (UDP-Galactose-4-epimerase) prevents the metabolism of galactose which is a sugar component of milk. The condition may vary from mild to severe....more »
    1650. Galloway-Mowat Syndrome
     A condition which is characterized by microcephaly, hiatal hernia and nephrotic syndrome...more »
    1651. Gambling addiction
     Addiction to gambling activities....more »
    1652. Gametophobia
     An exaggerated or irrational fear of marriage....more »
    1653. Gaming addiction
     Gaming addiction refers to the excessive amounts of time spent on online computer games. When the person attempts to reduce the amount of time spent on the activity they suffer withdrawal symptoms such as irritability and anxiety. The preoccupation can ca...more »
    1654. Gamophobia
     An exaggerated or irrational fear of marriage....more »
    1655. Ganglioglioma
     A type of tumor that develops in the central nervous system. The tumor originates from glial and nerve cells. The tumor may grow rapidly and symptom will vary depending on the exact location and size of the tumor....more »
    1656. Gangliosidosis, generalized GM1 type 3
     A rare biochemical disorder involving a deficiency of an enzyme (beta-galactosidase A) which results in the accumulation of harmful chemicals (GM1 gangliosides) in the central nervous system and other body tissues. Type III involves a lesser degree of acc...more »
    1657. Gardner-Morrisson-Abbot syndrome
     A rare syndrome characterized by thrombocytopenia and various other abnormalities present at birth....more »
    1658. Garret-Tripp syndrome
     A rare syndrome characterized mainly by extra digits, a lack of hair and scaly skin on the scalp, face and neck....more »
    1659. Gaucher disease type 2
     A rare inherited biochemical disorder characterized by the deficiency of the enzyme called glucocerebrosidase and accumulation of glycosylceramide (glucocerebroside). There are three forms of this disease: type 1, 2 and 3. Type 2 is acute neurological for...more »
    1660. Gelineau's syndrome
     A neurological disorder sudden uncontrollable urge to sleep, sleep paralysis and other symptoms....more »
    1661. General somatic pain
     General somatic pain is a typical sensory experience that may be described as the unpleasant awareness of a noxious stimulus or bodily harm....more »
    1662. Generalised anxiety disorder
     Anxiety is a feeling of apprehension or fear....more »
    1663. Generalized anxiety disorder
     Excessive anxiety and worrying....more »
    1664. 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....more »
    1665. Generalized seizures
     Abnormal electrical activity that starts in larger areas of the brain and involves both sides of the brain. Various symptoms occur depending on the part of the brain involved. Symptoms generally last for a matter of minutes but full recovery may take hour...more »
    1666. Genetic Parkinson disease
     A type of Parkinson disease that results from a genetic anomaly. There are a more than ten different genes that can cause Parkinson disease....more »
    1667. Geniophobia
     An exaggerated or irrational fear of chins....more »
    1668. Genital anomaly -- cardiomyopathy
     A rare syndrome characterized by the association of heart disease with genital abnormalities....more »
    1669. Genital psoriasis
     Psoriasis is a chronic skin condition characterized by scaling and inflammation of the skin which can occur on virtually any part of the body. Psoriasis can occur on the mucous membranes of the genitals but it is not as common as occurrence on the skin. L...more »
    1670. Genophobia
     An exaggerated or irrational fear of sex....more »
    1671. Genuphobia
     An exaggerated or irrational fear of knees....more »
    1672. Gephyrophobia
     An exaggerated or irrational fear of crossing a bridge....more »
    1673. Gerascophobia
     An exaggerated or irrational fear of growing old....more »
    1674. Gerstmann's Syndrome
     Brain defect causing various cognitive problems....more »
    1675. Geumophobia
     An exaggerated or irrational fear of tastes or flavors....more »
    1676. Ghasard-induced lead poisoning
     Ghasard is a lead-containing tetraoxide salt used mainly by Asian and Indian people as a tonic (usually for indigestion). This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible ...more »
    1677. Giacomini disease
     A rare inherited disorder characterized mainly by a small head and usually associated with mental retardation and various eye defects....more »
    1678. Giant axonal neuropathy
     A rare genetic disorder characterized by incoordination, vision problems and dementia caused by abnormalities of a nerve cell component....more »
    1679. Glioblastoma
     An aggressive primary brain tumour of the glial (supporting) cells....more »
    1680. Glioma
     A rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and location of ...more »
    1681. Glioma Susceptibility
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1682. Glioma Susceptibility 1
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1683. Glioma Susceptibility 2
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1684. Glioma Susceptibility 3
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1685. Glioma Susceptibility 4
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1686. Glioma Susceptibility 5
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1687. Glioma Susceptibility 6
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1688. Glioma Susceptibility 7
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1689. Glioma Susceptibility 8
     A glioma is a rare type of tumor that occurs from glial cells that make up the central nervous system. These tumors usually occur in the brain but can also occur in the spinal cord and other nerves such as the optic nerve. Symptoms depend on the size and ...more »
    1690. Gliomatosis cerebri
     A rare, aggressive type of malignant brain tumor. Cancerous glial cells infiltrate various parts of the brain and can result in a variety of symptoms....more »
    1691. Gliosarcoma
     A type of brain tumor that originates from glial cells. The tumor may grow rapidly and symptom will vary depending on the exact location and size of the tumor....more »
    1692. Global developmental delay -- osteopenia -- ectodermal defect
     A rare syndrome characterized by developmental delay, osteopenia and skin anomalies....more »
    1693. Glomerulonephritis -- sparse hair -- telangiectases
     A rare syndrome characterized by sparse hair, kidney disease and enlarged skin blood vessels (telangiectasia)....more »
    1694. Glossophobia
     An exaggerated or irrational fear of speaking in public or speech anxiety....more »
    1695. Glucagonoma syndrome
     A rare condition characterized by a tumor which secretes glucagon and a characteristic spreading rash, diabetes mellitus and various other symptoms....more »
    1696. Glucose transport defect, blood-brain barrier
     A rare metabolic disorder involving a deficiency of a molecule needed to transport glucose (GLUT1). The glucose is unable to be transported from the blood and into the brain and cerebrospinal fluid. Sugar transport to the brain is essential for normal dev...more »
    1697. Glut-1 Deficiency Syndrome
     A condition which is characterized by a deficiency of the GLUT-1 transported of cells...more »
    1698. Glutamate decarboxylase deficiency
     A rare disorder of amino acid metabolism characterized by a deficiency of the enzyme called glutamate decarboxylase which causes seizures that will only respond to pyridoxine (vitamin B6)....more »
    1699. Glutathione synthetase deficiency, severe
     An inborn error of metabolism where insufficient glutathione is produced. Glutathione is an antioxidant which helps destroy unstable molecules that can cause damage to cells and helps develop certain cell components. The condition is due to insufficient g...more »
    1700. Gluten allergy
     Gluten allergy is an adverse reaction by the body's immune system to gluten or foods containing gluten. The specific symptoms that can result can vary considerably amongst patients from a severe anaphylactic reaction to asthma, abdominal symptoms, eczema ...more »
    1701. Glycine encephalopathy, atypical mild form
     A rare disorder of amino acid metabolism where glycine are unable to be metabolized properly due to defects in the glycine cleavage system. The atypical mild form tends to be quite mild and can be difficult to diagnose due to the nonspecific symptoms....more »
    1702. Glycine encephalopathy, classical neonatal early-onset form
     A rare disorder of amino acid metabolism where glycine are unable to be metabolized properly due to defects in the glycine cleavage system. The early onset classical neonatal form usually starts after a period of normal development during the first 6 mont...more »
    1703. Glycine encephalopathy, classical neonatal form
     A rare disorder of amino acid metabolism where glycine are unable to be metabolized properly due to defects in the glycine cleavage system....more »
    1704. Glycine synthase deficiency
     A rare genetic disorder characterized by high blood glycine levels which is toxic to the body. The severity of the condition varies according to the degree of deficiency and age of onset. The classical neonatal form is generally quite severe, the atypical...more »
    1705. Glycogen Storage Disease IIb -- formerly
     A rare inherited disorder characterized by severe heart problems, varying degrees of muscle weakness and often mental retardation. Other symptoms such as mental retardation may also occur. The genetic anomaly manifests as a deficiency of a protein called ...more »
    1706. Glycogen storage disease type 1C
     A genetic metabolic disorder involving a deficiency of the enzyme glucose-6-phosphatase (due to a defect in the microsomal phosphate) which results in the accumulation of glycogen in various tissues. G6P is stored as glycogen until the body needs to conve...more »
    1707. Glycogen storage disease type 1D
     A genetic metabolic disorder involving a deficiency of the enzyme glucose-6-phosphatase (due to a defect in the microsomal glucose transporter) which results in the accumulation of glycogen in various tissues. G6P is stored as glycogen until the body need...more »
    1708. Glycogen storage disease type 2B
     A rare inherited biochemical disorder involving the harmful accumulation of certain chemicals (glycogen) in body tissues due to the deficiency of an enzyme (?-glucosidase or acid maltase) needed to break it down. Type IIB usually starts during childhood....more »
    1709. Glycogen storage disease type 2B -- formerly
     A rare inherited disorder characterized by severe heart problems, varying degrees of muscle weakness and often mental retardation. Other symptoms such as mental retardation may also occur. The genetic anomaly manifests as a deficiency of a protein called ...more »
    1710. Glycogen storage disease type 6A, due to phosphorylase kinase deficiency
     A rare, generally mild form of inherited glycogen storage disease where a deficiency of phosphorylase kinase leads to hypoglycemia and accumulation of glycogen in the liver. Phosphorylase kinase deficiency can cause glycogen storage disease type VIa and/o...more »
    1711. Glycogenosis type 2
     A rare inherited biochemical disorder involving the harmful accumulation of certain chemicals (glycogen) in body tissues due to the deficiency of an enzyme (?-glucosidase or acid maltase) needed to break it down. The severity of the condition is variable ...more »
    1712. Gms syndrome
     A rare syndrome characterized by mental retardation, short stature and an eye abnormality....more »
    1713. Goldberg syndrome
     A rare lysosomal storage disorder characterized by an enzyme deficiency (neuraminidase and beta-galactosidase) which results in a build-up of glycoproteins in the urine. There are three main subtypes: infantile, juvenile and adult forms. The early infanti...more »
    1714. Goldblatt-Wallis syndrome
     A very rare syndrome characterized by mental retardation and an abnormally placed urethral opening in males....more »
    1715. Gonadal dysgenesis XY type associated anomalies
     A very rare syndrome characterized mainly by a large range of variable physical abnormalities and gonad anoamlies....more »
    1716. Gonadotropin-independent precocious puberty
     A rare disorder affecting males where premature puberty is not caused by a premature release of gonadotropin hormones....more »
    1717. Graeck-Imerslund disease
    1718. Grand mal epilepsy
     A condition characterize by sudden loss of consciousness with tonic-clonic seizures...more »
    1719. Grand mal seizures
     Whole body seizures (convulsions/fits)...more »
    1720. Grand-Kaine-Fulling syndrome
     A very rare syndrome characterized by disease of the retinal blood vessels and degeneration of the central nervous system....more »
    1721. Granulomatous amebic encephalitis
     Brain/CNS infection from Acanthamoeba bacteria...more »
    1722. Granulomatous amoebic encephalitis
     A rare opportunistic brain infection caused by certain amoeba - Acanthamoeba or Balamuthia amoebae. The amoeba generally only causes encephalitis in people who are immunocompromised or have a chronic disease such as diabetes. The amoeba initially cause pn...more »
    1723. Graphophobia
     An exaggerated or irrational dislike of writing....more »
    1724. Grasbeck-Imerslund Disease
     A rare inherited disorder characterized by vitamin B12 deficiency which results from the body's inability to absorb vitamin B12 from the foods eaten....more »
    1725. Graves Disease
     is an autoimmune disease characterized by hyperthyroidism due to circulating autoantibodies. Thyroid-stimulating immunoglobulins (TSIs) bind to and activate thyrotropin receptors, causing the thyroid gland to grow and the thyroid follicles to increase syn...more »
    1726. Greenhead ant sting
     The Greenhead ant is found in parts of Australia and can cause allergic reactions in susceptible people. Some people have a relatively minor allergic response whereas other develop anaphylaxis which is a life-threatening allergic response which requires u...more »
    1727. Greig Cephalopolysyndactyly Syndrome
     A rare genetic disorder characterized by premature closing of skull bones and craniofacial abnormalities, finger and toe abnormalities....more »
    1728. Greta-induced lead poisoning
     Greta is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chil...more »
    1729. Grief or loss
     The normal emotional response that occurs to an external loss...more »
    1730. Grix-Blankenship-Peterson syndrome
     A very rare syndrome characterized mainly by mental retardation, bone defects and head and face abnormalities....more »
    1731. Growth and mental retardation, mandibulofacial dysostosis, microcephaly, and cleft palate
     A rare syndrome characterized mainly by mental retardation, retarded growth, small head, cleft palate and facial abnormalities....more »
    1732. Growth delay -- mental retardation -- mandibulofacial dysostosis -- microcephaly -- cleft palate
     A rare syndrome characterized by delayed growth, mental retardation, small head, cleft palate and facial and jaw anomaly....more »
    1733. Growth delay due to insulin-like growth factor I deficiency
     A rare disorder where the deficiency of a growth factor (IGF-1) causes growth delay, deafness and mental retardation....more »
    1734. Growth retardation mental retardation phalangeal hypoplasia
     A rare syndrome characterized mainly by retarded growth, mental retardation and underdeveloped digits....more »
    1735. Guarana overuse
     The consumption of high doses of guarana can cause symptoms....more »
    1736. Gulf War syndrome
     Syndrome in military veterans of the Gulf war...more »
    1737. Gurrieri-Sammito-Bellussi syndrome
     A rare syndrome characterized by epilepsy, short stature and skeletal abnormalities....more »
    1738. Gustavson syndrome
     A very rare condition characterized by features such as mental retardation, spasticity, seizures and eye and ear problems....more »
    1739. Gynephobia
     An exaggerated or irrational fear or hatred of women....more »
    1740. Gynophobia
     An exaggerated or irrational fear or hatred of women....more »
    1741. HARD syndrome
     A rare genetic disorder characterized by a smooth brain surface and eye, genitourinary and other abnormalities....more »
    1742. HARD syndrome (Hydrocephalus -- agyria -- retinal dysplasia)
     A rare genetic disorder characterized by a smooth brain surface and eye, genitourinary and other abnormalities....more »
    1743. HIV-1, CRF01_AE
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1744. HIV-1, CRF02_AG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1745. HIV-1, CRF04_ cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1746. HIV-1, CRF05_ D/F
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1747. HIV-1, CRF06_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1748. HIV-1, CRF07_BC
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1749. HIV-1, CRF08_BC
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1750. HIV-1, CRF11_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1751. HIV-1, CRF12_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1752. HIV-1, CRF13_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1753. HIV-1, CRF14_BG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1754. HIV-1, CRF15_01B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1755. HIV-1, CRF16_ A2D
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1756. HIV-1, CRF17_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1757. HIV-1, CRF18_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1758. HIV-1, CRF19_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1759. HIV-1, CRF20_BG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1760. HIV-1, CRF21_A2D
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1761. HIV-1, CRF22_01A1
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1762. HIV-1, CRF23_BG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1763. HIV-1, CRF24_BG
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1764. HIV-1, CRF25_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1765. HIV-1, CRF26_AU
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1766. HIV-1, CRF27_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1767. HIV-1, CRF28_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1768. HIV-1, CRF29_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1769. HIV-1, CRF30_0206
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1770. HIV-1, CRF31_BC
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1771. HIV-1, CRF32_06A1
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1772. HIV-1, CRF33_01B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1773. HIV-1, CRF34_01B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1774. HIV-1, CRF35_AD
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1775. HIV-1, CRF36_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1776. HIV-1, CRF37_cpx
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1777. HIV-1, CRF38_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1778. HIV-1, CRF39_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1779. HIV-1, CRF40_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1780. HIV-1, CRF41_CD
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1781. HIV-1, CRF42_BF
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1782. HIV-1, CRF43_02G
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1783. HIV-1A
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1784. HIV-1A1
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1785. HIV-1A2
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1786. HIV-1A3
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1787. HIV-1B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1788. HIV-1C
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1789. HIV-1D
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1790. HIV-1E
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1791. HIV-1F
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1792. HIV-1F1
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1793. HIV-1F2
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1794. HIV-1G
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1795. HIV-1H
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1796. HIV-1J
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1797. HIV-1K
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1798. HIV-1M
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1799. HIV-1N
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1800. HIV-1O
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1801. HIV-2
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1802. HIV-2A
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1803. HIV-2B
     HIV is an immune system disease caused by the HIV virus. AIDS is a term used when a person infected with HIV has a CD4+ T cell count below 200 or 14% of lymphocytes. AIDS is an advanced form of HIV. To be classified as AIDS the person must also have an AI...more »
    1804. Haas-Robinson syndrome
     A rare, recessively inherited disorder involving defective copper metabolism within the body which causes symptoms such as mental retardation, seizures and poor muscle tone....more »
    1805. Hadeophobia
     An exaggerated or irrational fear of hell....more »
    1806. Hagiophobia
     An exaggerated or irrational fear or dislike of saints and holy things....more »
    1807. Hai Ge Fen-induced lead poisoning
     Hai Ge Fen is clamshell powder used mainly by Chinese people to make traditional Chinese herbal medicines. This product has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of l...more »
    1808. Hair defect photosensitivity mental retardation
     A very rare syndrome characterized mainly by mental retardation, sensitivity to light and sparse, fragile hair....more »
    1809. Hair defect with photosensitivity and mental retardation
     A very rare syndrome characterized mainly by mental retardation, sensitivity to light and sparse, fragile hair...more »
    1810. Halal Setton Wang syndrome
     A very rare syndrome characterized mainly by eye, teeth, nail and skin abnormalities....more »
    1811. Halal syndrome
     A very rare syndrome characterized mainly by a small head and a cleft palate....more »
    1812. Hallervorden-Spatz Syndrome
     A syndrome in which the nerve fibers which connect the striatum to the globus pallidus are completely demyelinated...more »
    1813. Hallervorden-Spatz disease
     Nerve disorder causing movement problems....more »
    1814. Hallucination
     Incorrect perception of any of the senses....more »
    1815. Hamaphobia
     An exaggerated or irrational fear of the sight of blood....more »
    1816. Hamartophobia
     An exaggerated or irrational fear of error or sin....more »
    1817. Hand-Schuller-Christian Syndrome
     A group of blood disorder involving excess production of histiocytes (type of immune cell) throughout the body. Accumulation of histiocytes results in non-cancerous growths which can damage organs and other body tissues such as bones. Symptom vary hugely ...more »
    1818. Hangover
     Condition following excessive alcohol consumption....more »
    1819. 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....more »
    1820. Haphophobia
     An exaggerated or irrational fear of touch....more »
    1821. Haptophobia
     An exaggerated or irrational fear of touch....more »
    1822. Hardikar syndrome
     A very rare disorder characterized by obstructive liver disease, cleft lip, cleft palate, eye and urogenital abnormalities....more »
    1823. Harpaxophobia
     An exaggerated or irrational fear of robbers....more »
    1824. Harrod Doman Keele syndrome
     A very rare syndrome characterized mainly by skull, facial, genital, finger and toe abnormalities....more »
    1825. Hartnup Disease
     A rare metabolic disorder involving an error in the transport of neutral amino acid and characterized by mental retardation, rash due to light sensitivity and cerebellar ataxia....more »
    1826. Hashimoto's encephalitis
     A rare but serious condition that can occur when thyroid antibodies, such as those present in Hashimoto's thyroiditis, involve the brain tissue and cause neurological symptoms....more »
    1827. Haspeslagh Fryns Muelenaere syndrome
     A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies....more »
    1828. Havlikova syndrome
     A rare familial disorder involving liver, spleen and pancreatic problems....more »
    1829. Hawaiian Baby Woodrose poisoning
     The Hawaiian Baby Woodrose is a woody vine that grows in tropical climates such as in Hawaii, India, Florida and California. The plant bears rose-colored flowers and black seeds. The seeds contain ergoline alkaloids which can produce effects similar to LS...more »
    1830. Head Conditions
     Conditions that affect the head...more »
    1831. Hearing Impairment
     Reduced ability to hear sounds....more »
    1832. Heart attack
     Serious and often fatal acute heart condition...more »
    1833. Heat exhaustion
     Overheating of the body with exhaustion or collapse...more »
    1834. Heatstroke
     Heat exhaustion and collapse from heat exposure...more »
    1835. Hedonophobia
     An exaggerated or irrational fear of pleasure....more »
    1836. Heidenhain syndrome
     A form of premature dementia caused by degeneration of the brain. It is considered a variant of Creutzfeldt-Jakob disease. Heidenhain syndrome is characterized mainly by eye problems whereas Creutzfeldt-Jakob predominantly involves ataxia....more »
    1837. Heliophobia
     An exaggerated or irrational fear of sunlight or increased sensitivity to sunlight....more »
    1838. Helminthiasis
     Infection of the human body with a parasitic worm such as roundworms and pinworms. The worms usually only involve the intestinal tract but sometimes they may invade other organs. The type and severity of symptoms is determined by the type of worm and the ...more »
    1839. Helminthophobia
     An exaggerated or irrational fear of being infested with worms....more »
    1840. Hemangioblastoma
     A benign tumor that tends to occur in the central nervous system such as the brain and spinal cord. The tumor arises from the stem cells that develop into blood vessels or blood cells (hemangioblasts). Symptoms vary depending on the exact location and siz...more »
    1841. Hematophobia
     An exaggerated or irrational fear of the sight of blood....more »
    1842. Hemi 3 syndrome
     A very rare syndrome where parts of the body undergo excessive growth give the body an asymmetrical appearance....more »
    1843. Hemimegalencephaly
     A very rare disorder where one side of the brain is bigger than the other....more »
    1844. Hemiplegic migraine, familial type 2
     A rare inherited form of migraine that characteristically causes temporary paralysis on one side of the body and involves the presence of an aura. A migraine episode may be triggered by minimal trauma to the head. The severity of the disorder is variable ...more »
    1845. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 1
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1846. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 2
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1847. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 3
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1848. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 4
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1849. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 5
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1850. Hemolytic Uremic Syndrome, Atypical, Susceptibility to, 6
     Atypical hemolytic uremic syndrome is a rare condition characterized by hemolytic anemia, thrombocytopenia and kidney failure that has no obvious cause. Researchers have discovered a number of genes linked to an increased susceptibility to developing the ...more »
    1851. Hemophagocytic reticulosis
     The abnormal proliferation of reticulum cell (histiocytes) which infiltrate various organs and. Macrophages destroy blood cells causing blood abnormalities. Meningoencephalitis frequently occurs when the histiocytes infiltrate the mininges and cerebral ti...more »
    1852. Henna-induced lead poisoning
     Henna is used mainly by Middle Eastern people as a hair and skin dye. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is ...more »
    1853. Hepatic encephalopathy syndrome
     A rare syndrome involving the association of advanced liver disease and neurological problems....more »
    1854. Hepatorenal tyrosinemia
     A rare genetic metabolic disorder characterized by a deficiency of particular enzymes which prevents the breakdown of tyrosine which then builds up in the liver. Type 1 involves a deficiency of the enzyme fumaril acetoacetate hydrolase....more »
    1855. Herbal Agent adverse reaction -- Maté
     Maté can be used as a herbal agent to treat water retention, purify the blood and as a stimulant. The herbal agent contains various chemicals which can cause an adverse reaction in some people....more »
    1856. Herbal Agent adverse reaction -- Pennyroyal Oil
     Pennyroyal Oil can be used as a herbal agent to treat delayed menstruation and as an insect repellent. The herbal agent can cause an adverse reaction in some people....more »
    1857. Herbal Agent adverse reaction -- Sassafras Oil
     Sassafras Oil can be used as a herbal agent to treat skin irritation such as insect bites. The herbal agent contains a chemical called safrole which can cause harmful effects if ingested ....more »
    1858. Herbal Agent overdose -- Ayahuasca
     Ayahuasca can be used as a herbal agent which is made into a tea used by South American natives for psychotherapy and religious purposes. The herbal agent contains chemicals (DMT and harmala alkaloids) and the ingestion of excessive amounts of these can r...more »
    1859. Herbal Agent overdose -- Golden Seal
     Golden seal can be used as a herbal agent to treat a variety of conditions - bleeding after birth, mucosal inflammation, constipation, hemorrhoids. The herbal agent contains chemicals (alkaloid hydrastine, berberine) which can cause various symptoms if ex...more »
    1860. Herbal Agent overdose -- Nutmeg
     Nutmeg can be used as a herbal agent to treat delayed menstruation. The herbal agent can cause various overdose symptoms if excessive quantities are taken....more »
    1861. Herbal Agent overdose -- Sabah vegetable
     Sabah vegetable can be used as a herbal agent to treat obesity and prevent vision problems. The herbal agent contains a chemical (papvarine alkaloids) which can cause an adverse reaction in some people....more »
    1862. Herbal Agent overdose -- Wormwood
     Wormwood can be used to treat worm infestations and as a sedative or hair tonic. The herbal agent contains chemicals which can cause various symptoms if excessive quantities are taken....more »
    1863. Hereditary Motor and Sensory Neuropathy with Deafness, Mental Retardation and Absence of Large Myelinated Fibers
     An inherited condition reported in three brothers involving mental retardation, deafness and nerve and muscle problems. The hearing loss is severe and occurs in the first year of life....more »
    1864. Hereditary hypothyroidism
     Hereditary hypothyroidism is a condition in which there is a defect in the thyroid gland which leads to increased production of TSH reduced production of thyroid hormone....more »
    1865. Hereditary methemoglobinemia, recessive, type II
     A rare inherited blood disorder where the hemoglobin (the oxygen-carrying part of red blood cells) can't bind with oxygen which impairs the oxygen supply to parts of the body, especially during exertion when more oxygen is needed by the body. The type II ...more »
    1866. Hereditary neuropathy with liability to pressure palsies
     A rare disorder where the peripheral nerves are more sensitive to pressure than normal which results in recurring periods of numbness, tingling and sometimes loss of muscle function. The condition can affect one or more nerves such as the carpal tunnel ne...more »
    1867. Hereditary nodular heterotopia
     A rare inherited disorder where a part of the brain tissue is misplaced during development. More specifically, nodules of brain tissue is in various parts of the brain....more »
    1868. Hereditary sensory and autonomic neuropathy 3
     A very rare inherited disorder affecting the peripheral and autonomic nervous system and characterized by reduced tear production, excessive sweating, poor body temperature control, blood pressure problems, impaired sensation and poor muscle control....more »
    1869. Heroin dependence
     The physical and psychological dependence to the recreational drug heroin...more »
    1870. Heroin withdrawal
     Symptoms that occur when heroin use is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    1871. Herpes simplex encephalitis
     A form of encephalitis caused by the herpes simplex virus and characterized by fever, headache and neurological symptoms....more »
    1872. Herpes, Neonatal
     Neonatal herpes is the infection of a newborn with the herpes virus within the first six weeks of life. The virus may be transmitted from the mother to the baby while it is still in the uterus or during delivery. The risk of transmitting the virus is high...more »
    1873. Herpes, Neonatal -- Central Nervous System Infection
     Central nervous system herpes infection in neonates is a herpes infection of the central nervous system (brain, spinal cord) that develops in infants within the first six weeks of life. The virus may be transmitted from the mother to the baby while it is ...more »
    1874. Herpes, Neonatal -- Disseminated
     Disseminated neonatal herpes is a widespread infection of a newborn with the herpes virus within the first six weeks of life. The virus may be transmitted from the mother to the baby while it is still in the uterus or during delivery. The risk of transmit...more »
    1875. Herpetophobia
     An exaggerated or irrational fear of reptiles....more »
    1876. Herrmann syndrome
     A rare disorder characterized by deafness, diabetes, kidney disease, brain dysfunction and muscle spasms....more »
    1877. Herrmann-Opitz craniosynostosi
     A very rare syndrome characterized mainly by mental retardation, skeletal abnormalities and an unusual facial appearance....more »
    1878. Hersh-Podruch-Weisskopk syndrome
     A very rare syndrome characterized mainly by progressive retinal damage, mental retardation and deafness....more »
    1879. Heterophobia
     An exaggerated or irrational fear or aversion to heterosexuals....more »
    1880. Heterotopia, Periventricular, Associated with Chromosome 5q Deletion
     A brain anomaly linked to a defect on chromosome 5q and characterized mainly by severe mental retardation and epilepsy....more »
    1881. Hexakosioihexekontahexaphobia
     An exaggerated or irrational fear of the number 666....more »
    1882. Hierophobia
     An exaggerated or irrational fear of sacred objects or priests....more »
    1883. High Blood Pressure/Hypertension
    1884. High T4 syndrome
     A disorder involving transient increases in thyroxine levels for no apparent reason....more »
    1885. Hip cancer
     The presence of tumour growth in the bone of the hip, whether due to primary malignancies e.g. leukaemic or myeloma infiltration of the bone marrow, or due to secondary metastases from another site e.g. lung or breast; cancer affecting bone of hip likely ...more »
    1886. Hippophobia
     An exaggerated or irrational fear of horses....more »
    1887. Hippopotomonstrosesquippedaliophobia
     An exaggerated or irrational fear of long words....more »
    1888. Histidinemia
     A metabolic disorder where there is a deficiency of the histidase enzyme which is needed to metabolise the amino acid called histidine. Histidine levels then buildup of histidine in the blood and urine....more »
    1889. Histidinuria, renal tubular defect
     A very rare syndrome where a kidney defect causes high levels of histidine in the urine....more »
    1890. Hobo spider poisoning
     The Hobo spider is a type of funnel web spider which can deliver a painful bite. Their bite can cause localized tissue necrosis which can take a long time to heal. Systemic symptoms may occur in severe cases but this is rare....more »
    1891. Hodophobia
     An exaggerated or irrational fear of travel....more »
    1892. Holoprosencephaly deletion 2p
     A very rare syndrome characterized mainly by the failure of the brain to separate into two lobes, facial deformities and various other anomalies....more »
    1893. Homen syndrome
     Lesion on a part of the brain called the lenticular nucleus which is involved in movement....more »
    1894. Homichlophobia
     An exaggerated or irrational fear of fog....more »
    1895. Homilophobia
     An exaggerated or irrational hatred of sermons....more »
    1896. Homocarnosinosis
     A very rare metabolic disorder where a deficiency of homocarnosinase causes a harmful buildup of homcarnosine. Symptoms include mental retardation, retinal pigmentation and spastic diplegia....more »
    1897. Homocystinuria
     A rare inherited metabolic disorder involving the amino acid methionine and resulting in a harmful accumulation of homocysteine in the body....more »
    1898. Homocystinuria due to cystathionine beta-synthase deficiency
     A rare genetic biochemical disorder where a deficiency of cystathionine beta-synthase results in high levels of methionine and homocysteine in the blood and reduced levels of cyteine in the blood. There are two subtypes of the disorder with varying manife...more »
    1899. Homocystinuria due to defect in methylation (cbl g)
     An inherited organic acid disorder where an enzyme deficiency (methionine synthase) 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 af...more »
    1900. 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 ...more »
    1901. Homophobia
     An exaggerated or irrational fear of homosexuality which is affection between people of the same sex....more »
    1902. Honey intoxication
     Food poisoning from the ingestion of honey....more »
    1903. Hooft disease
     A rare disorder characterized by mental and physical retardation, red rash and low blood lipid level....more »
    1904. Hordnes-Engebretsen-Knudtson syndrome
     A very rare syndrome characterized by an abnormal skull shape, mental retardation, abnormally placed anus and narrowed pulmonary valve...more »
    1905. Hornova-Dlurosova syndrome
     A rare disorder characterized by mental retardation and amyloid (abnormal protein) deposits in the eyelids and gums....more »
    1906. Horse nettle poisoning
     Horse nettle is a herbaceous plant which has prickles and bears yellow berries. The berries contain solanin alkaloids which can cause symptoms if eaten in large quantities. It is often found growing in the wild in many parts of the world. Death is conside...more »
    1907. Horseradish poisoning
     Horseradish is a herb which has a long thick root. It is often found in gardens. The roots contain a chemical called glucosinolate which can cause symptoms if large quantities are eaten. Eating small quantities of the root is considered harmless. The safe...more »
    1908. Howard-Young syndrome
     A very rare syndrome characterized mainly by a small head, facial cleft and an extra big toe....more »
    1909. Hoyeraal-Hreidarsson syndrome
     A very rare syndrome characterized mainly by retarded growth, a small head, anemia, immunodeficiency and an underdeveloped brain (cerebellum)....more »
    1910. Human HOXA1 Syndromes
     Human HOXA1 syndromes are very rare conditions caused by genetic defects involving the HOXA1 gene. The severity of the condition is highly variable depending on the extent of the defect and inheritance pattern. The most severe form is Bosley-Salih-Alorain...more »
    1911. Human T-lymphotropic virus type 3
     A former name used for HIV which is an infectious viral disease. The infection usually has an initial symptom-free period which is followed by various stages of increasing severity....more »
    1912. 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....more »
    1913. Hunter-Fraser syndrome
     A rare inherited syndrome characterized mainly by mental retardation and facial and skeletal abnormalities....more »
    1914. Hunter-Macpherson syndrome
     A very rare disorder characterized by the association of mental retardation and abnormal bone hardening....more »
    1915. Hunter-McAlpine syndrome
     A very rare dominantly inherited syndrome characterized mainly by premature fusion of skull bones, mental retardation, small mouth, short stature and finger and toe anomalies....more »
    1916. Huntington's Disease
     Inherited disease causing progressive mental deterioration....more »
    1917. Hurler syndrome
    1918. Hutchinson Gilford Syndrome
     A rare genetic disorder characterized by alopecia and senile-like appearance....more »
    1919. Hyde-Forster-Mccarthy-Berry syndrome
     A very rare syndrome characterized mainly by mental retardation and an abnormal skull shape....more »
    1920. Hydranencephaly
     A very rare condition where fluid replaces a portion of the brain....more »
    1921. Hydrocephalus -- Skeletal Anomalies -- Mental Disturbance
     A very rare condition reported in only a few families and characterized by a buildup of fluid inside the brain, skeletal anomalies and mental disturbance....more »
    1922. Hydrocephalus -- costovertebral dysplasia -- Sprengel anomaly
     A rare syndrome characterized mainly by hydrocephaly and upwardly displaced shoulder blade (Sprengel anomaly)....more »
    1923. Hydrocephalus autosomal recessive
     A rare, recessively inherited disorder where there is an abnormal buildup of fluid (cerebrospinal fluid) inside the skull....more »
    1924. Hydrocephalus due to congenital stenosis of aqueduct of sylvius
     A very rare disorder where there is a buildup of cerebrospinal fluid inside the skull due to a narrow canal that connects the third and fourth ventricles of the brain....more »
    1925. Hydrocephalus obesity hypogonadism
     A very rare syndrome characterized mainly by obesity, buildup of fluid inside the skull (hydrocephalus) and impaired sex hormone production....more »
    1926. Hydrocodone withdrawal
     Symptoms that occur when Hydrocodone use is discontinued or reduced. Hydrocodone is pain-killing drug. Symptoms may vary depending on the level of dependence. Symptoms are usually peak during the second day and last about a week....more »
    1927. Hydrophophobia
     An exaggerated or irrational fear of rabies....more »
    1928. Hydroxykynureninuria
     A rare genetic disorder where a deficiency of the enzyme kynureninase (a vitamin B6) causes physical and mental problems. The deficiency can also occur in an acquired form which tends to be less severe....more »
    1929. Hygrophobia
     An exaggerated or irrational fear of liquids, particularly wine and water....more »
    1930. Hylephobia
     An exaggerated or irrational fear of forests or wood....more »
    1931. Hymenolepiasis
     A rare parasitic disease caused by a tapeworm called Hymenolepis nana or Hymenlepis dimunita. Infestation occurs through fecal contamination or by accidentally consuming insects that have eaten the parasitic eggs....more »
    1932. Hymenolepsis diminuta infection
     A tapeworm infection caused by Hymenolepsis diminuta that is relatively common in rodents but can rarely cause infection in humans. Insects such as fleas and beetles are intermediate hosts and transmission to humans can result from accidentally swallowing...more »
    1933. Hymenolepsis nana infection
     A tapeworm infection caused by Hymenolepsis nana that is relatively common in house mice but can cause infection in humans. Insects such as fleas and beetles are intermediate hosts and transmission to humans can result from accidentally swallowing infecte...more »
    1934. Hypengyophobia
     An exaggerated or irrational fear of responsibility....more »
    1935. Hyper IgE
     Inherited immunodeficiency disorders involving excessive production of IgE and frequent bacterial (staphylococcal) infections mainly involving the skin as well as other problems. Recessively inherited forms of the condition tend to be more serious with bo...more »
    1936. 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....more »
    1937. Hyperaldosteronism-induced hypertension
     Hyperaldosteronism -induced hypertension is high blood pressure caused by excessive production of a hormone called aldosterone by the adrenal glands. The high blood pressure often responds poorly to the usual medications. Death can result in severe cases....more »
    1938. Hyperammonemia -- hypoornithinemia -- hypocitrullinemia -- hypoargininemia -- hypoprolinemia
     A rare syndrome caused by an enzyme deficiency (Delta-1-pyrroline 5-carboxylate synthetase)....more »
    1939. Hyperchromic Anemia
     Hyperchromic anemia is a blood disorder characterized by red blood cells which contain abnormally high amounts of haemoglobin as well as a reduced number of red blood cells. This anomaly is often caused by such things as Vitamin B12 deficiency and pernici...more »
    1940. Hypereosinophilic syndrome
     A rare condition where too many eosinophils are produced over an extended period of time for no apparent reason. The eosinophils can infiltrate various organs and tissues and cause dysfunction or damage...more »
    1941. Hyperglycinemia
     Increased blood levels of glycine. There are two types of hyperglycinemia (ketotic and nonketotic) with different symptoms....more »
    1942. Hypergonadotropic ovarian failure
     Premature onset of menopause - occurs before the fourth decade -average age of onset of menopause is about 50 years of age. The condition can occur sporadically or may be inherited in a familial manner....more »
    1943. Hypergonadotropic ovarian failure, familial or sporadic
     A rare disorder where the ovaries fail to function prematurely. Ovarian failure can occur in the 20's or 30's. Normal ovarian failure occurs during menopause. Premature ovarian failure can be caused by a genetic mutation and can occur sporadically or in a...more »
    1944. Hyperimidodipeptiduria
     A very rare genetic disorder characterized by an excessive level of imidodipeptides in the urine due to a deficiency of the enzyme prolidase....more »
    1945. Hypermethioninemia due to S-adenosylhomocysteine hydrolase deficiency
     A rare disorder involving an enzyme deficiency which results in increased methionine levels in the blood. The condition manifests as psychomotor delay and severe muscle disease....more »
    1946. Hypernatraemia
    1947. Hypernatremia
     Increased blood sodium levels. Can be caused by excessive sodium levels but is more often a result of low water levels in the body....more »
    1948. Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome
     A very rare inherited metabolic disorder where ammonia builds up in the body due to a defect in the transport of ornithine which prevents ammonia being converted to urea and being excreted through the urine. The severity of the condition is variable....more »
    1949. Hyperostosis cortical infantile
     A rare inflammatory disorder that affects bones and soft tissue in infants. The condition may affect virtually any bone and causes excessive enlargement of part of the bone (cortex). Infant feeding problems may occur if the jaw bone is affected which can ...more »
    1950. Hyperostosis frontalis interna
     A disorder where the front bone of the skull becomes thicker than normal....more »
    1951. Hyperoxia
     A high level of oxygen in body tissues. It can be caused by exposure to high atmospheric pressure or long term inhalation of high oxygen concentrations. The high levels of oxygen may affect the lungs, nervous system or the eyes and thus can result in vary...more »
    1952. Hyperparathyroidism
     Increased secretion of parathyroid hormone from the parathyroid glands....more »
    1953. Hyperparathyroidism, primary
     A rare genetic disorder where excessive activity of the parathyroid gland causes increased blood calcium levels which can cause various problems....more »
    1954. Hyperprolinemia type 2
     A rare metabolic abnormality involving a deficiency of a particular enzyme (Delta-1-pyrroline-5-carboxylate dehydrogenase) which affects amino acid metabolism and causes mental retardation and convulsions....more »
    1955. Hypersomnia
     Hypersomnia is characterized by recurring episodes of excessive daytime sleepiness (EDS) or prolonged nighttime sleep....more »
    1956. Hypertelorism -- esophageal abnormalities -- hypospadias
     A rare genetic disorder characterized by defects along the midline of the body. The type and severity of symptoms can vary considerably. There are two subtypes of the disorder: one is inherited in a X-linked manner and the other is inherited in an autosom...more »
    1957. Hypertelorism and tetralogy of Fallot
     A very rare disorder characterized by a heart defect and wide set eyes....more »
    1958. Hypertelorism with esophageal abnormality and hypospadias
     A congenital disorder characterized by distinctive facial features, genital abnormalities, esophageal defect and difficulty swallowing. Males are more severely affected than females....more »
    1959. Hypertension
     High blood pressure...more »
    1960. Hypertension due to bilateral renal artery stenosis
     Hypertension due to bilateral renal artery stenosis is high blood pressure resulting from narrowing kidney blood vessels which prevents the blood from flowing through the kidneys properly....more »
    1961. Hypertension due to coarctation of the aorta
     Hypertension due to coarctation of the aorta is high blood pressure resulting from a birth defect where a heart blood vessel called the aorta is abnormally narrowed. The high blood pressure tends to affect mainly the upper part of the body. Babies and ver...more »
    1962. Hypertension in children
    1963. Hypertension in children from 11 through adolescence
    1964. Hypertension in children one to ten years
    1965. Hypertension in children under one year
    1966. Hypertension, Essential
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form....more »
    1967. Hypertension, Essential, Susceptibility to
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1968. Hypertension, Essential, Susceptibility to, 1
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1969. Hypertension, Essential, Susceptibility to, 2
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1970. Hypertension, Essential, Susceptibility to, 3
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1971. Hypertension, Essential, Susceptibility to, 4
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1972. Hypertension, Essential, Susceptibility to, 5
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1973. Hypertension, Essential, Susceptibility to, 6
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1974. Hypertension, Essential, Susceptibility to, 7
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1975. Hypertension, Essential, Susceptibility to, 8
     Essential hypertension is a type of hypertension that has no detectable cause. Patients have an increased blood pressure for no apparent reason. Most cases of hypertension are of this form. Researchers have identified a number of genes linked to an increa...more »
    1976. Hyperthyroidism -- Teratogenic Agent
     There is strong evidence to indicate that the development of hyperthyroidism 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 th...more »
    1977. Hypertrichosis brachydactyly obesity and mental retardation
     A very rare disorder characterized mainly by excessive hair growth, short digits, obesity and mental retardation...more »
    1978. Hypertrichosis, hyperkeratosis, mental retardation, and distinctive facial features
     A very rare disorder characterized by thickened skin, mental retardation, increased body hair and a characteristic face....more »
    1979. Hypertryptophanemia
     A rare genetic metabolic disorder characterized by high levels of tryptophan in the blood....more »
    1980. Hypervitaminoses A and D
     The excessive physiological effect of vitamin A or D cause by excessive intake of the vitamins...more »
    1981. Hypnophobia
     An exaggerated or irrational fear of sleep or being hypnotized....more »
    1982. Hypoadrenalism
     Reduced adrenal gland activity....more »
    1983. Hypoadrenocorticism -- hypoparathyroidism -- moniliasis
     An autoimmune disorder where hormone production by various glands is reduced. The main features of the disorder are Addison disease and/or hypoparathyroidism and/or chronic candidiasis....more »
    1984. Hypobetalipoproteinaemia -- ataxia -- hearing loss
     A rare disorder characterized by the association of low blood betalipoprotein level, ataxia and hearing loss....more »
    1985. Hypoglycemia
     Low blood sugar level...more »
    1986. Hypoglycemia with deficiency of glycogen synthetase in the liver
     A rare condition where low blood sugar is caused by a deficiency of an enzyme called glycogen synthetase in the liver. Symptoms tend to occur after periods of fasting....more »
    1987. Hypoglycemic attack
     Sudden onset of low blood sugar levels...more »
    1988. Hypogonadism -- mitral valve prolapse -- mental retardation
     A very rare syndrome characterized mainly by a heart disorder, hypogonadism and mental retardation....more »
    1989. Hypokalemic periodic paralysis
     A rare inherited muscle condition characterized by periods of severe muscle weakness or paralysis which can last from hours to days. Episodes can occur as often as daily or only rarely....more »
    1990. Hypomagnesemia primary
     Low blood magnesium levels which is caused by the abnormal absorption and excretion of the mineral and can be caused by such things as kidney problems and intestinal malabsorption....more »
    1991. Hypomandibular faciocranial dysostosis
     A very rare syndrome characterized mainly by very underdeveloped upper and lower jaw as well as a very small, absent or small tongue....more »
    1992. Hypomelanosis of Ito
     A rare genetic neurocutaneous disorder characterized by unusual patterns of depigmented skin and associated disorders such as seizures, psychomotor retardation and eye abnormalities....more »
    1993. Hypomyelination -- congenital cataract
     A rare syndrome characterized by the association of congenital cataract with progressive neurological impairment due to progressive demyelination....more »
    1994. Hypomyelination and congenital cataract
     An inherited disorder characterized by congenital cataract and progressive neurological impairment due to reduced myelination of nerves....more »
    1995. Hypoparathyroidism -- short stature -- mental retardation
     A very rare syndrome characterized mainly by low parathyroid hormone level, short stature and mental retardation....more »
    1996. Hypoparathyroidism familial isolated
     A rare familial condition involving low levels of parathyroid hormone which upsets the body's ability to regulate calcium and phosphate. The severity of symptoms is determined by the how low the parathyroid hormone level is....more »
    1997. Hypoparathyroidism, autoimmune
     A rare autoimmune condition characterized by the inflammation of the parathyroid glands and resulting in a deficiency of parathyroid hormones (parathormone). Parathormone helps controls calcium and phosphorus levels in the body. Symptoms become progressiv...more »
    1998. Hypophosphatemia
     Low blood phosphate levels. Causes include malnourishment, chronic alcoholism excessive carbohydrate consumption, malabsorption, phosphaturia, liver failure, respiratory alkalosis and certain genetic disorders....more »
    1999. Hypopnea syndrome
     Hypopnea Syndrome is a condition in which an individual experiences severe shallow breathing or a slow rate of airflow during sleep....more »
    2000. Hypospadias -- hypertelorism
     A congenital disorder characterized by distinctive facial features, genital abnormalities, esophageal defect and difficulty swallowing. Males are more severely affected than females....more »
    2001. Hypothalamic dysfunction
     Abnormal function of the thalamus located in the brain. The thalamus controls pituitary gland function which in turn controls other hormone producing glands such as the thyroid gland, adrenal gland, ovaries and testes. The thalamus also regulates function...more »
    2002. Hypothalamic hamartomas
     A benign congenital tumor that develops on or near the hypothalamus....more »
    2003. Hypothyroid goitre
     Goitre is the enlargement of the thyroid gland and hypothyroid state is characterized by increased TSH levels and decreased T3 and T4 levels circulating in the body....more »
    2004. 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....more »
    2005. Hypothyroidism due to iodide transport defect
     Low thyroid hormone levels in infants due to abnormal iodide transport in the body caused by a genetic defect. The severity of the condition varies depending on the extent of the defect and the length of time taken to diagnose the condition. Symptoms tend...more »
    2006. Hypothyroidism postaxial polydactyly mental retardation
     A very rare syndrome characterized by abnormally low thyroid levels, extra digits, mental retardation and unusually facial appearance....more »
    2007. 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 pho...more »
    2008. ICF syndrome
     A very rare, recessively inherited syndrome characterized mainly by a weak immune system and facial anomalies....more »
    2009. Iatrophobia
     An exaggerated or irrational fear of going to the doctor....more »
    2010. Ichthyohepatotoxication
     Ichthyohepatotoxication is a condition caused by eating the liver of certain fish. It is believed that the high vitamin A content of the liver leads to vitamin A overdose and the resulting symptoms. Tropical shark livers are associated with this condition...more »
    2011. Ichthyophobia
     An exaggerated or irrational fear of fish....more »
    2012. Ichthyosis -- alopecia -- eclabion -- ectropion -- mental retardation
     A very rare syndrome characterized mainly by scaly skin, hair loss, mental retardation and outwardly turned eyelids and lips....more »
    2013. Ichthyosis -- deafness -- mental retardation -- skeletal anomaly
     A rare disorder characterized by deafness, mental retardation, scaly skin and skeletal anomalies....more »
    2014. Ichthyosis -- mental retardation, Devriendt type
     A very rare syndrome characterized mainly by dry, rough, scaly skin and mental retardation....more »
    2015. Ichthyosis mental retardation asymptomatic spasticity
     A rare syndrome characterized mainly by mental retardation, spasticity and dry scaly skin....more »
    2016. Ichthyosis mental retardation dwarfism renal impairment
     A rare genetic condition characterized by dwarfism, mental retardation, kidney dysfunction and ichthyosis (skin disorder characterized by fish-like scales)....more »
    2017. Idaho syndrome
     A very rare syndrome characterized by a variety of abnormalities including clubfoot, mental retardation, finger abnormalities and a congenital heart defect....more »
    2018. Idiopathic Parkinson's disease
     Idiopathic Parkinson's disease is Parkinson's disease for which no particular cause can be determined - it is the most prevalent form of the condition. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, mu...more »
    2019. Idiopathic alveolar hypoventilation syndrome
     A rare condition characterized by a reduced breathing rate despite no respiratory system abnormalities. The cause of the condition is unknown....more »
    2020. Idiopathic basal ganglia calcification, childhood onset
     A rare disorder involving the buildup of calcium deposits in various parts of the brain. It manifests as degeneration of the nervous system....more »
    2021. Idiopathic edema
     A condition involving salt retention that isn't a result of impaired heart, kidney or liver function....more »
    2022. Ignophobia
     An exaggerated or irrational fear of not knowing....more »
    2023. Illum syndrome
     A very rare disorder characterized by a distinctive "whistling face" and contractures in multiple joints....more »
    2024. Immunodeficiency with short limb dwarfism
     A very rare condition where short-limbed dwarfism is associated with immunodeficiency....more »
    2025. Impulse Control Disorders
     Disorders where people have difficulty controlling their impulses...more »
    2026. Inborn amino acid metabolism disorder
     A group of inherited disorders where the body is not able to metabolize amino acids consumed in the diet. Amino acids are a part of carbohydrates, fats and proteins and are metabolized in order to provide energy or to make other needed compounds. There ar...more »
    2027. Inborn errors of thyroid hormone synthesis related to hypothyroidism
     Congenital hypothyroidism is inadequate thyroid hormone production in newborn infants. This can occur because of an anatomic defect in the gland, an inborn error of thyroid metabolism, or iodine deficiency....more »
    2028. Inborn urea cycle disorder
     A genetic disorder involving a deficiency of one of the enzymes needed in the urea cycle. The urea cycle is the process of removing ammonia from blood stream by converting it to urea and excreting it via urine. A build-up of ammonia in the blood is toxic ...more »
    2029. Inch ant sting
     The Inch ant is found in parts of Australia and can cause allergic reactions in susceptible people. Some people have a relatively minor allergic response whereas other develop anaphylaxis which is a life-threatening allergic response which requires urgent...more »
    2030. 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....more »
    2031. Infant Cytomegalic virus
     A serious CMV viral infection in newborns....more »
    2032. Infantile apnea
     A disorder where infants stop breathing temporarily....more »
    2033. Infantile axonal neuropathy
     A very rare form of progressive nerve damage that starts early in life. The central nervous system is also usually involved....more »
    2034. Infantile multisystem inflammatory disease
     A rare autoinflammatory disease characterized by fever, rash, arthritic changes, eye problems and chronic meningitis....more »
    2035. Infantile polymyoclonus
     A rare disorder characterized by involuntary muscle jerking and rapid eye movements. The condition is not progressive and symptoms go through periods of improvement and deterioration....more »
    2036. Infantile sleep apnea
     Apnea of infancy occurs in children who are younger than 1 year old and who were born after a full-term pregnancy....more »
    2037. Infantile spasms -- broad thumbs
     A very rare syndrome characterized mainly by spasms during infancy and broad thumbs....more »
    2038. Infectious CFS
     Infectious chronic fatigue syndrome is a chronic fatigue condition which may follow severe infections - viral or other. The condition is often debilitating and may be difficult to diagnose due to lack of specific tests for the condition....more »
    2039. Infectious meningitis
     Infectious meningitis is meningitis caused by bacterial, viral, or protozoan infection. Most of the agents known to cause meningitis are infectious, but very few people exposed to them will get meningitis. Those at greatest danger include people with AIDS...more »
    2040. Inhalant abuse
     Inhalant abuse is the use of various inhalants for the purpose of achieving a "high". They are often used as a cheap, readily available alternative to street drugs but they can cause serious damage to the body. Inhalants include gasoline, adhesives, solve...more »
    2041. Inhalant addiction
     Inhalant addiction refers to the compulsive need to abuse inhalants (e.g. inhaling them). Sufferers have withdrawal symptoms when attempting to stop the habit and feel unable to stop the habit despite knowing the harm it is causing their health. Inhalants...more »
    2042. Inheritable disorders of connective tissue
     Disorders that affect the connective tissue of the body that are handed down from generation to generation...more »
    2043. Inherited Hemolytic-Uremic Syndrome
     A condition which is characterized by thrombotic microangiography occurring with renal failure, hemolytic anemia and severe thrombocytopenia...more »
    2044. Inherited spherocytic anemia
     Inherited Spherocytic anemia is an inherited blood disorder characterized by red blood cells that are shaped like a sphere (spherocytes) rather than the normal doughnut shape. These abnormal cells are broken down prematurely resulting in a shortage of red...more »
    2045. Insanity
     A non specific term used to describe a severely deteriorated mental state resulting from a mental disorder....more »
    2046. Insect allergy
     An allergic response to a wasp sting....more »
    2047. Insect bite allergy
     An insect bite allergy is an adverse reaction by the body's immune system to a bite by an insect such as an ant. Multiple bites increase the risk of a severe reaction or death. The specific symptoms that can result can vary amongst patients....more »
    2048. Insensitivity to pain with anhidrosis
     A rare disorder primarily involving insensitivity to pain with a lack of sweating....more »
    2049. Insensitivity to pain with anhydrosis
    2050. Insulinoma
     A rare form of pancreatic cancer that causes excessive secretion of the hormone insulin. A relatively small number of cases are malignant....more »
    2051. Intellectual deficit -- cataracts -- calcified pinnae -- myopathy
     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....more »
    2052. Intellectual deficit -- multiple anomalies
     A very rare syndrome characterized mainly by mental retardation and multiple birth abnormalities such as heart defects, undescended testes, curved spine and distinctive facial appearance....more »
    2053. Intellectual deficit -- short stature -- microcephaly -- eye anomalies
     A very rare syndrome characterized by the association of mild mental retardation, short stature, a small head and eye anomalies....more »
    2054. Intellectual or developmental disabilities
     Disorders of physical or intellectual development....more »
    2055. Intermittent Explosive Disorder
     Episodes of explosively aggressive behavior...more »
    2056. Intracranial Embolism
     Blockage of a blood vessel inside the skull and affects blood flow to parts of the brain. The severity of the condition is variable depending on the size, location and duration of the blockage....more »
    2057. Intracranial Hemorrhages
     Bleeding inside the skull. The condition is a medical emergency and the greater the bleeding, the more severe the condition....more »
    2058. Intrauterine infections
     Infection of the fetus while still inside the womb. The type and severity of symptoms is determined by the type of infection and at what stage of pregnancy it occurs. Some cases are mild enough to be asymptomatic and others are severe enough to cause a mi...more »
    2059. Intrinsic factor, congenital deficiency of
     A very rare disorder where a deficiency of a protein called intrinsic factor prevents vitamin B12 from being absorbed from the stomach. Thus, vitamin B12 deficiency occurs which leads to anemia....more »
    2060. Iophobia
     An exaggerated or irrational fear of poisons....more »
    2061. 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....more »
    2062. Irish potato poisoning
     The common potato is an edible root. However, the potato sprouts and green skin in old potatoes contain chemicals such as solanine which can cause symptoms if eaten. Severe cases can result in death but this is relatively rare....more »
    2063. Iron deficiency
     When there is a deficiency of iron in the body...more »
    2064. 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....more »
    2065. Ischiadic hypoplasia -- renal dysfunction -- immunodeficiency
     A rare disorder characterized by abnormal kidney function, immunodeficiency and an underdeveloped...more »
    2066. Isoniazid toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    2067. Isoniazid-induced Sideroblastic anemia
     Drug-induced sideroblastic anemia is a blood disorder caused by taking a drug called isoniazid. The body has sufficient iron levels but is unable to utilise it properly in red blood cells. The iron becomes abnormally deposited in red blood cells which mak...more »
    2068. Isopterophobia
     An exaggerated or irrational fear of termites....more »
    2069. Jack jumper ant sting
     The jack jumper ant is commonly found in many parts of Australia and can cause allergic reactions in susceptible people. Some people have a relatively minor allergic response whereas other develop anaphylaxis which is a life-threatening allergic response ...more »
    2070. Jackson-Weiss Syndrome
     A rare inherited disorder involving bone abnormalities such as fusion of upper foot bones and premature fusion of skull bones which prevents the skull from growing normally. Symptoms can range from mild to severe....more »
    2071. Jacobs syndrome
     A very rare syndrome characterized mainly by heart inflammation (pericardium), joint disease and permanent finger flexion. The number of joints affected is variable....more »
    2072. Jacobsen syndrome
     A very rare chromosomal disorder involving the absence of a portion of chromosome 11q. The range and severity of symptoms is determined by the size of the portion that is deleted....more »
    2073. Jaffer-Beighton syndrome
     A rare inherited syndrome characterized by loose joints, slipped vertebrae and long, thin fingers....more »
    2074. Jankovic-Rivera syndrome
     A rare inherited syndrome characterized by involuntary muscle jerking and progressive muscle wasting in the hands and feet....more »
    2075. Japanese andromeda poisoning
     An evergreen flowering shrub originating from Asia. The leaves and flower nectar contain a chemical called andromedotoxin which is highly toxic. Ingesting the leaves or nectar can result in death as the plant is considered highly toxic....more »
    2076. Japanese encephalitis
     A form of encephalitis caused by a flavivirus (Japanese B encephalitis virus - JBEV) and transmitted by mosquito bites. Most cases are mild and asymptomatic but severe cases can lead to death....more »
    2077. Jet lag
     Jet lag is a physiological condition which is a consequence of alterations to circadian rhythms; it is classified as one of the circadian rhythm sleep disorders. Jet lag results from rapid long-distance transmeridian (east-west or west-east) travel, as on...more »
    2078. Jeune syndrome
     A rare genetic disorder characterized by short limbs, underdeveloped iliac wings and a narrow rigid thoracic cage that often results in asphyxiation....more »
    2079. Jimsonweed poisoning
     The Jimsonweed is a herb that bears single large white or lavender flowers and seeds surrounded by a spiny shell. The plant contains tropane alkaloids (mainly the seeds and leaves) which can cause symptoms if eaten in large quantities....more »
    2080. Jin Bu Huan-induced lead poisoning
     Jin Bu Huan is a folk remedy used mainly by Chinese people to treat pain. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies...more »
    2081. Job syndrome
     An immunodeficiency disorder characterized by excessive production of IgE and frequent bacterial infections mainly involving the skin....more »
    2082. Jorgenson-Lenz syndrome
     A very rare syndrome characterized mainly by joint problems, mental retardation and various eye and other anomalies....more »
    2083. Joubert Syndrome
     A rare neurological disorder where there is a defect in the part of the brain that controls coordination and balance....more »
    2084. Joubert Syndrome 1
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2085. Joubert Syndrome 10
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2086. Joubert Syndrome 2
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2087. Joubert Syndrome 3
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2088. Joubert Syndrome 4
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2089. Joubert Syndrome 5
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2090. Joubert Syndrome 6
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2091. Joubert Syndrome 7
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2092. Joubert Syndrome 8
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2093. Joubert Syndrome 9
     Joubert syndrome is a rare congenital neurological disorder characterized mainly by a brain anomaly where the cerebellar vermis is underdeveloped. This part of the brain is responsible to for balance and coordination. Most of the symptoms are of a neurolo...more »
    2094. Judeophobia
     An exaggerated or irrational fear of Jews....more »
    2095. Jung-Wolff-Back-Stahl syndrome
     A very rare syndrome characterized mainly by brain abnormalities, mental retardation and facial and skull anomalies....more »
    2096. Juvenile pilocytic astrocytoma
     A type of brain tumor that occurs in children and young adults. The tumor is derived from a type of cell called an astrocyte and it can occur in various parts of the brain as well as the optic pathways and the spinal cord. Malignancy is rare. Symptoms may...more »
    2097. KBG Syndrome
     A very rare genetic disorder involving short stature, mental retardation, abnormal development of various bones....more »
    2098. Kahrizi Syndrome
     A rare syndrome and characterized by the association of mental retardation, cataracts, coloboma and kyphosis. The condition is inherited in an autosomal recessive manner and was observed in 3 siblings whose parents were possibly related....more »
    2099. Kakorrhaphiophobia
     An exaggerated or irrational fear of failure or defeat....more »
    2100. Kalam-Hafeez syndrome
     A rare disorder characterized by low parathyroid levels in infants, retarded growth, mental retardation, dysmorphic features and seizures....more »
    2101. Kaler-Garrity-Stern syndrome
     A very rare syndrome characterized mainly by osteopenia, mental retardation and sparse hair....more »
    2102. Kandu-induced lead poisoning
     Kandu (red powder) is a folk remedy used mainly by Asian and Indian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of...more »
    2103. Karandikar-Maria-Kamble syndrome
     A very rare syndrome characterized mainly by cataracts, mental retardation, genitourinary tract abnormalities and absent anal opening....more »
    2104. Kartagener syndrome
     A rare genetic disorder characterized by enlarged bronchial tubes, sinusitis and cross-positioning of body organs....more »
    2105. Katagelophobia
     An exaggerated or irrational fear of being ridiculed or disliked....more »
    2106. Katsantoni-Papadakou-Lagoyanni syndrome
     A very rare syndrome characterized mainly by mental retardation and hair abnormalities....more »
    2107. Kawasaki disease
     A childhood illness that generally affects the skin, mouth and lymph nodes....more »
    2108. Kearns-Sayre Syndrome
     A rare neuromuscular disorder characterized by pigmented deposits on the retina, heart disease and progressive paralysis of some eye muscles....more »
    2109. Kennerknecht syndrome
     A very rare syndrome characterized mainly by absent gonads, mental retardation, short stature, retarded bone age and heart abnormalities. The observed cases involved a family whose parents were related....more »
    2110. Kennerknecht-Sorgo-Oberhoffer syndrome
     A very rare syndrome characterized mainly by absent gonads and an underdeveloped right side of the heart....more »
    2111. Kennerknecht-Vogel syndrome
     A very rare syndrome characterized mainly by absent gonads, mental retardation, short stature, retarded bone age and heart abnormalities....more »
    2112. Keratosis palmoplantaris -- corneal dystrophy
     A rare condition where a deficiency of a liver enzyme (tyrosinase aminotransferase) causes tyrosine levels in the blood to increase and result in eye problems, mental retardation and horny skin lesions which develop on pressure points on the hands and fee...more »
    2113. Kernicterus
     A rare condition involving high blood levels of bilirubin which can also accumulate in the brain and lead to neurological problems....more »
    2114. Keutel syndrome 2
     A rare inherited syndrome characterized mainly meningocele, various skeletal abnormalities and retarded motor and mental development....more »
    2115. Kifafa seizure disorder
     A rare form of seizure involving head nodding prior to the seizure and often associated with neurological symptoms and Parkinson-like symptoms....more »
    2116. Kinetophobia
     An exaggerated or irrational fear or dislike of movement or motion ....more »
    2117. Kleeblattschaedel syndrome
     A very rare syndrome characterized mainly by a head the is somewhat cloverleaf shaped....more »
    2118. Kleine-Levin Syndrome
     Kleine-Levin syndrome is a rare neurological disorder characterized by recurring periods of excessive amounts of sleep and altered behavior....more »
    2119. Kleptophobia
     An exaggerated or irrational fear of thieves or having things stolen by thieves....more »
    2120. 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 probl...more »
    2121. Klinefelter syndrome variant
    2122. Klinefelter syndrome, variants
     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 probl...more »
    2123. Kluver-Bucy Syndrome
     A condition where damage to the temporal brain lobes from any of a variety of causes (accident, hypoglycemia, Alzheimer's and others) results in symptoms such as memory loss and abnormal behavior....more »
    2124. Knoiophobia
     An exaggerated or irrational fear of dust....more »
    2125. Kohl-induced lead poisoning
     Kohl is a folk remedy used mainly by various ethnic groups (e.g. Africans, Asians, Indians and Pakistanis) to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to...more »
    2126. Koone-Rizzo-Elias syndrome
     A rare congenital disorder characterized by mental retardation, spasticity and dry, scaly skin....more »
    2127. Kopophobia
     An exaggerated or irrational fear of fatigue or exhaustion....more »
    2128. Korsakoff's psychosis
     Brain condition with progressive memory loss...more »
    2129. Kosztolanyi syndrome
     A very rare syndrome characterized mainly by severely retarded development, long thin fingers, mental retardation and skull and facial abnormalities....more »
    2130. Kotzot-Richter syndrome
     A rare congenital disorder characterized by lack of skin and eye pigmentation, problems with the immune system, blood disorders and other anomalies....more »
    2131. Krabbe leukodystrophy
     A rare inherited biochemical disorder involving the deficiency of an enzyme called galactocerebrosidase. It is a leukodystrophy which refers to a group of genetic disorders that affect the growth of the protective coating around the brain nerves....more »
    2132. Krabbé Disease
     Brain myelin disorder with various symptoms....more »
    2133. Kramer-Pollnow disease
     A neurological condition where young children develop hyperactivity followed by mental retardation, reduced speech efficiency and anxiety....more »
    2134. Krause syndrome
     A syndrome involving the abnormal development of the eye and cerebral portion of the brain. It most often occurs in premature infants or an infant from a multiple birth. It is believed to possibly result from intercurrent infections in the mother, placent...more »
    2135. Krause-Kivlin syndrome
     A rare genetic disorder characterized by short limb dwarfism, mental retardation and Peters anomaly....more »
    2136. Kuf Disease
    2137. Kurczynski-Casperson syndrome
     A very rare syndrome characterized mainly by premature fusion of skull bones, abnormal ears and webbing of the last two toes....more »
    2138. Kushta-induced lead poisoning
     Kushta is a folk remedy used mainly by Indian and Pakistani people as an aphrodisiac and to treat diseases involving organs such as the liver, brain, heart and stomach. This folk remedy has the potential to cause lead poisoning due to its relatively high ...more »
    2139. Kynophobia
     An exaggerated or irrational fear of rabies....more »
    2140. L1 Syndrome
     L1 Syndrome refers to range of disorders characterized by stiff muscles (spasticity) in the legs, reduced intelligence, excessive fluid in the brain (hydrocephalus) and abnormally bent thumbs. The range and severity of symptoms is highly variable. Disorde...more »
    2141. LSD addiction
     LSD addiction is the uncontrollable craving for LSD (lysergic acid diethylamide) which is a hallucinogenic drug which is derived from a type of fungus. Although the drug is not technically classified as addictive as it doesn't cause drug-seeking behaviour...more »
    2142. Lachanophobia
     An exaggerated or irrational fear of vegetables....more »
    2143. Lactic Acidosis, Fatal Infantile
     The excessive accumulation of lactic acid in the blood which leads to metabolic acidosis....more »
    2144. Lactic acidosis congenital infantile
     A rare congenital condition where an infant has high levels of lactic acid in the blood causing metabolic acidosis....more »
    2145. Lafora body disease
     A condition characterized by attacks of intermittent or continuous clonus of muscle groups...more »
    2146. Lafora disease
     A rare genetic disorder caused by the inclusion of a substance called Lafora bodies in cells throughout the body. The condition is progressive and causes progressive seizures and dementia....more »
    2147. Laliophobia
     An exaggerated or irrational fear of talking....more »
    2148. Langerhans Cell Histiocytosis
     A condition which is characterized by proliferation of Langerhans cells...more »
    2149. Late-onset Alzheimer's
     Late-onset Alzheimer's is a form of Alzheimer's disease that doesn't appear to be linked to any genetic defects or familial pattern. It is by far the most common form of Alzheimer's - occurs in up to 90% of Alzheimer sufferers. Alzheimer's disease is a pr...more »
    2150. Lathosterolosis
     A very rare disorder where an enzyme (sterol C5-desaturase) deficiency prevents the normal synthesis of cholesterol in the body. The deficiency causes various malformations, mental retardation and liver disease....more »
    2151. Laurence-Moon Syndrome
     A rare inherited disorder characterized by vision loss, impaired hormone production, mental retardation and spastic paraplegia....more »
    2152. Lazarus complex
     Various symptoms observed in people who have survived a heart attack....more »
    2153. Lead poisoning
     A type of heavy metal poisoning caused by excessive exposure to lead....more »
    2154. Lead poisoning -- African Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by African people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high conten...more »
    2155. Lead poisoning -- African Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by African people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of...more »
    2156. Lead poisoning -- Aisan Folk Remedies -- Chuifong tokuwan
     Chuifong tokuwan is a folk remedy used mainly by Asian people to arthritis and other pain. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use...more »
    2157. Lead poisoning -- Asian Folk Remedies -- Bali goli
     Bali goli (flat black bean) is a folk remedy used mainly by Asian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of l...more »
    2158. Lead poisoning -- Asian Folk Remedies -- Deshi Dewa
     Deshi Dewa is a folk remedy by Asian people as a fertility medicine. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is s...more »
    2159. Lead poisoning -- Asian Folk Remedies -- Ghasard
     Ghasard is a lead-containing tetraoxide salt used mainly by Asian and Indian people as a tonic (usually for indigestion). This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible ...more »
    2160. Lead poisoning -- Asian Folk Remedies -- Kandu
     Kandu (red powder) is a folk remedy used mainly by Asian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The ...more »
    2161. Lead poisoning -- Asian Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by Asian people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high content ...more »
    2162. Lead poisoning -- Asian Folk Remedies -- Pay-loo-ah
     Pay-loo-ah is a folk remedy used mainly by Vietnamese people to treat fever and rash. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of f...more »
    2163. Lead poisoning -- Asian Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by Asian people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of l...more »
    2164. Lead poisoning -- Chinese Folk Remedies -- Ba Bow Sen
     Ba Bow Sen is a folk remedy used mainly by Chinese people to treat childhood hyperactivity and to alleviate nightmares. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to...more »
    2165. Lead poisoning -- Chinese Folk Remedies -- Cordyceps
     Cordyceps is a folk remedy by Chinese people to treat high blood pressure, bleeding problems and diabetes. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects ...more »
    2166. Lead poisoning -- Chinese Folk Remedies -- Hai Ge Fen
     Hai Ge Fen is clamshell powder used mainly by Chinese people to make traditional Chinese herbal medicines. This product has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of l...more »
    2167. Lead poisoning -- Chinese Folk Remedies -- Jin Bu Huan
     Jin Bu Huan is a folk remedy used mainly by Chinese people to treat pain. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies...more »
    2168. Lead poisoning -- Chinese Folk Remedies -- Po Ying Tan
     Po Ying Tan is a folk remedy used mainly by Chinese people to treat minor childhood complaints. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. Th...more »
    2169. Lead poisoning -- Chinese Folk Remedies -- Rueda
     Rueda is a lead-containing folk remedy used mainly by Chinese people to treat infant colic or to calm young children. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to t...more »
    2170. Lead poisoning -- Folk Remedies
     A number of folk remedies have the potential to cause lead poisoning due to their relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is still prevalent in some cultures. The high content of lead...more »
    2171. Lead poisoning -- Hispanic Folk Remedies -- Alarcon
     Alarcon is a folk remedy used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more sus...more »
    2172. Lead poisoning -- Hispanic Folk Remedies -- Azarcon
     Azarcon is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. C...more »
    2173. Lead poisoning -- Hispanic Folk Remedies -- Coral
     Coral is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chi...more »
    2174. Lead poisoning -- Hispanic Folk Remedies -- Greta
     Greta is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chi...more »
    2175. Lead poisoning -- Hispanic Folk Remedies -- Liga
     Liga is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chil...more »
    2176. Lead poisoning -- Hispanic Folk Remedies -- Luiga
     Luiga is a folk remedy used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susce...more »
    2177. Lead poisoning -- Hispanic Folk Remedies -- Maria Luisa
     Maria Luisa is a lead-containing tetraoxide salt used mainly by Hispanic people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lea...more »
    2178. Lead poisoning -- Indian Folk Remedies -- Deshi Dewa
     Deshi Dewa is a folk remedy by Indian people as a fertility medicine. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is ...more »
    2179. Lead poisoning -- Indian Folk Remedies -- Kandu
     Kandu (red powder) is a folk remedy used mainly by Indian people to treat intestinal problems. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The...more »
    2180. Lead poisoning -- Indian Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by Indian people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high content...more »
    2181. Lead poisoning -- Indian Folk Remedies -- Kushta
     Kushta is a folk remedy used mainly by the Indian people as an aphrodisiac and to treat diseases involving organs such as the liver, brain, heart and stomach. This folk remedy has the potential to cause lead poisoning due to its relatively high content of...more »
    2182. Lead poisoning -- Indian Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by Indian people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of ...more »
    2183. Lead poisoning -- Iranian Folk Remedies -- Bint Al Zahab
     Bint Al Zahab is a folk remedy used mainly by Iranian people to treat infant colic and to facilitate the passage of meconium in newborns. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are m...more »
    2184. Lead poisoning -- Kuwait Folk Remedies -- Bokhoor
     Bokhoor is a traditional used mainly by Kuwait people to calm infants - it involves burning wood and lead sulphide and inhaling the fumes that are produced. This practice has the potential to cause lead poisoning due to the relatively high exposure to lea...more »
    2185. Lead poisoning -- Loas Folk Remedies -- Pay-loo-ah
     Pay-loo-ah is a folk remedy used mainly by the Hmong people from Loas to treat fever and rash. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The...more »
    2186. Lead poisoning -- Mexican Folk Remedies -- Alarcon
     Alarcon is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susc...more »
    2187. Lead poisoning -- Mexican Folk Remedies -- Albayaidle
     Albayaidle is a folk remedy used mainly by Mexican people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due to its relatively hig...more »
    2188. Lead poisoning -- Mexican Folk Remedies -- Albayalde
     Albayalde is a folk remedy used mainly by Mexican people to treat digestive or stomach problems such as vomiting and colic. It is also used to treat apathy and lethargy. This folk remedy has the potential to cause lead poisoning due to its relatively high...more »
    2189. Lead poisoning -- Mexican Folk Remedies -- Azarcon
     Azarcon is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Ch...more »
    2190. Lead poisoning -- Mexican Folk Remedies -- Coral
     Coral is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more suscep...more »
    2191. Lead poisoning -- Mexican Folk Remedies -- Greta
     Greta is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chil...more »
    2192. Lead poisoning -- Mexican Folk Remedies -- Liga
     Liga is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Child...more »
    2193. Lead poisoning -- Mexican Folk Remedies -- Luiga
     Luiga is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more suscep...more »
    2194. Lead poisoning -- Mexican Folk Remedies -- Maria Luisa
     Maria Luisa is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead...more »
    2195. Lead poisoning -- Middle East Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by Middle East people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effect...more »
    2196. Lead poisoning -- Middle Eastern Folk Remedies -- Alkohl
     Alkohl is a folk remedy used mainly by Middle Eastern people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively hi...more »
    2197. Lead poisoning -- Middle Eastern Folk Remedies -- Anzroot
     Anzroot is a folk remedy used mainly by Middle Eastern people to treat gastroenteritis. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of...more »
    2198. Lead poisoning -- Middle Eastern Folk Remedies -- Cebagin
     Cebagin is a folk remedy used mainly by Middle Eastern people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk r...more »
    2199. Lead poisoning -- Middle Eastern Folk Remedies -- Henna
     Henna is used mainly by Middle Eastern people as a hair and skin dye. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is ...more »
    2200. Lead poisoning -- Middle Eastern Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by Middle Eastern people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high...more »
    2201. Lead poisoning -- Middle Eastern Folk Remedies -- Saoot
     Saoot is a folk remedy used mainly by Middle Eastern people to treat digestive eye injuries, teething and to manage the umbilical stump in newborns. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Chi...more »
    2202. Lead poisoning -- Pakistan Folk Remedies -- Kohl
     Kohl is a folk remedy used mainly by Pakistani people to treat skin infections and to manage the umbilical stump. It is also used as a cosmetic in Arab communities. This folk remedy has the potential to cause lead poisoning due to its relatively high cont...more »
    2203. Lead poisoning -- Pakistan Folk Remedies -- Kushta
     Kushta is a folk remedy used mainly by the Pakistani people as an aphrodisiac and to treat diseases involving organs such as the liver, brain, heart and stomach. This folk remedy has the potential to cause lead poisoning due to its relatively high content...more »
    2204. Lead poisoning -- Pakistan Folk Remedies -- Surma
     Surma is a black powder used as a cosmetic as well as a folk remedy by Pakistani people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects ...more »
    2205. Lead poisoning -- Pakistani eye cosmetics
     Exposure to lead can result from the use of Pakistani eye cosmetics contaminated with lead. The most frequent cases have been noted in children as they are more sensitive to the effects of lead. Lead exposure can cause elevated levels of lead in the blood...more »
    2206. Lead poisoning -- Saudi Arabian Folk Remedies -- Al Murrah
     Al Murrah is a folk remedy used mainly by Saudi Arabian people to treat problems such as stomach pain, diarrhea and colic. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible...more »
    2207. Lead poisoning -- Saudi Arabian Folk Remedies -- Bint Dahab
     Bint Dahab is a folk remedy used mainly by Saudi Arabian people to treat such things as constipation, diarrhea, colic and various other infant conditions. It is also used by Saudi Arabian jewelers. This folk remedy has the potential to cause lead poisonin...more »
    2208. Lead poisoning -- Saudi Arabian Folk Remedies -- Bokhoor
     Bokhoor is a traditional used mainly by Saudi Arabian people to calm infants - it involves burning wood and lead sulphide and inhaling the fumes that are produced. This practice has the potential to cause lead poisoning due to the relatively high exposure...more »
    2209. Lead poisoning -- Saudi Arabian Folk Remedies -- Farouk
     Farouk is a folk remedy by Saudi Arabian people to treat teething. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead. The use of folk remedies is sti...more »
    2210. Lead poisoning -- Saudi Arabian Folk Remedies -- Santrinj
     Santrinj is a paint primer but is also used as a folk remedy mainly by Saudi Arabian people to treat teething and gum boils. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptib...more »
    2211. Lead poisoning -- Saudi Folk Remedies -- Traditional Saudi medicine
     Traditional Saudi medicine is a folk remedy used mainly by Saudi people to treat teething and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of ...more »
    2212. Lead poisoning -- Tamarind candy
     Eating tamarind candy jam products made in Mexico can lead to exposure to lead as the product is often packaged in lead-containing containers which can leach lead. The most frequent cases have been noted in children as they are more sensitive to the effec...more »
    2213. Lead poisoning -- Tibetan Folk Remedies -- Tibetan herbal vitamin
     Tibetan herbal vitamin is a folk remedy used mainly by Tibetan people to improve brain functioning. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more susceptible to the effects of lead...more »
    2214. Learning disabilities
     Various developmental problems impairing learning or schooling....more »
    2215. Lederer's anemia
     Lederer's anemia refers to the rapid destruction of red blood cells for no apparent reason....more »
    2216. Legionnaires' disease
     A severe respiratory disease which is caused by the Legionella pneumophila bacteria. The condition can result in pneumonia and can be life-threatening....more »
    2217. Leigh syndrome
     A rare, progressive, neurological disorder characterized by the degeneration of the brain and impaired function of various body organs. The condition is caused by a systemic deficiency of the cytochrome C oxidase enzyme....more »
    2218. Leigh syndrome, French Canadian type
     A rare, progressive, inherited metabolic disorder where a deficiency of the enzyme cytochrome C oxidase affects skeletal muscles, connective tissue, brain and liver....more »
    2219. Leigh syndrome, Saguenay-Lac-St. Jean type
     A rare, progressive, inherited metabolic disorder where a deficiency of the enzyme cytochrome C oxidase affects skeletal muscles, connective tissue, brain and liver....more »
    2220. Lennox-Gastaut Syndrome
     A form of epilepsy that occurs mostly in preschool-aged children and is characterized mainly by absences....more »
    2221. Lenten rose poisoning
     Lenten rose is a herbaceous plant which has light-colored flowers which become purple as they age. The plant is often found in gardens. The plant contains a chemical called protoanemonin which can cause various symptoms if large quantities are eaten. Skin...more »
    2222. Lenz Microphthalmia Syndrome
     A condition which is characterized by an abnormally small eye...more »
    2223. Lepraphobia
     An exaggerated or irrational fear of leprosy....more »
    2224. Leprechaunism
     A very rare genetic disorder characterized by insulin resistance which leads to growth delay and endocrine system abnormalities....more »
    2225. Lesch-Nyhan syndrome
     Inherited biochemical disorder of purine metabolism caused by the virtual absence of an enzyme called hypoxanthine-guanine phosphoribosyltransferase or HPRT....more »
    2226. Leschke-Ullmann syndrome
     A rare genetic disorder characterized by patches of skin pigmentation, physical and mental retardation, dwarfism, sexual dysfunction and muscle problems....more »
    2227. Letterer-Siwe disease
     A rare usually fatal condition characterized by skin lesions, bleeding tendency, enlarged liver and spleen, enlarged lymph nodes and progressive anemia. The condition is caused by excessive proliferation of histiocytes....more »
    2228. Leucinosis
     A term used to describe high levels of leucine in the body. It is associated with a metabolic disorder called maple syrup urine disease where there is a deficiency of an enzyme needed to break down leucine so it builds up within the body....more »
    2229. Leukemia, Myeloid
     A form of blood cancer that causes a proliferation of the precursors or immature red blood cells, platelets and certain white blood cells such as granulocytes and monocytes....more »
    2230. Leukemia, Myeloid, Aggressive-Phase
     Myeloid leukemia is a form of cancer where the bone marrow makes too many myeloid cells (granulocytes and their precursors) in the bone marrow which accumulates in the blood and eventually invades various parts of the body. The aggressive phase of myeloid...more »
    2231. Leukoencephalopathy
     Immune destruction of the myelin cover of nerves....more »
    2232. Leukomalacia
     Softening or destruction of the white matter of the brain. Brain tissue that surrounds fluid-filled parts of the brain (ventricles) is destroyed. It tends to occur mainly in premature or newborn babies who have been deprived of oxygen or have poor blood f...more »
    2233. Leukomelanoderma -- Infantalism -- Mental Retardation -- Hypodontia -- Hypotrichosis
     A rare syndrome characterized by poor growth, mental retardation and hair, tooth and skin anomalies....more »
    2234. Leukomelanoderma, infantilism, mental retardation, hypodontia, hypotrichosis
     A very rare condition characterized by areas of increased and decreased skin pigmentation, mental retardation and sparse hair...more »
    2235. Levic-Stefanovic-Nikolic syndrome
     A very rare inherited syndrome characterized mainly by mental retardation, ophthalmoplegia and a fissured tongue....more »
    2236. Levine-Critchley syndrome
     A very rare inherited disorder mainly involving progressive muscle weakness and wasting, abnormal limb movement, progressive cognitive loss and red blood cell abnormalities....more »
    2237. Levophobia
     An exaggerated or irrational fear of objects on the left side of the body....more »
    2238. Lhermitte-McAlpine syndrome
     A type of neurodegenerative disorder that involves pyramidal and extrapyramidal symptoms. It can occur in middle-aged or old people and usually results in death within a year of onset....more »
    2239. Licorice-induced hypertension
     Licorice-induced hypertension is a relatively quick increase in blood pressure due to eating licorice (either in the form of candy or as a herb). Blood pressure usually resumes to normalisation quite rapidly. Patients with existing blood pressure problems...more »
    2240. Lidocaine toxicity
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    2241. Liga-induced lead poisoning
     Liga is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Child...more »
    2242. Limbic encephalitis
     Inflammation of the limbic system which is the part of the brain responsible for basic autonomic functions....more »
    2243. Limbic encephalitis -- neuromyotonia -- hyperhidrosis -- polyneuropathy
     A rare autoimmune disorder involving excessive sweating, dysfunction central nervous system and neuromyotonia. The condition occurs when the body develops antibodies to voltage-gated potassium channels....more »
    2244. Limnophobia
     An exaggerated or irrational fear of lakes....more »
    2245. Lindsay-Burn syndrome
     A very rare syndrome characterized mainly by mental retardation, psychosis and enlarged testes....more »
    2246. Lindstrom syndrome
     A rare disorder characterized by mental retardation, facial anomalies, short stature and seizures....more »
    2247. Linonophobia
     An exaggerated or irrational fear of string....more »
    2248. Lipidosis with triglyceride storage disease
     A very disorder involving abnormal storage of fat (triglycerides in parts of the body). The condition causes blood abnormalities as well as skin, eye and hearing problems....more »
    2249. Lipoamide dehydrogenase deficiency
     A very rare enzyme deficiency (dihydrolipoamide dehydrogenase) which can cause lactic acidosis. The age of onset and symptoms are variable....more »
    2250. Lipoid proteinosis of Urbach and Wiethe
     A rare congenital lipoid storage disease where lipids, carbohydrates and proteins are deposited onto blood vessel walls and other tissues....more »
    2251. Lissauer paralysis
     Diffuse degeneration of one side of the cerebral cortex which causes dementia, weakness and seizures....more »
    2252. Lissencephaly
     A very rare disorder characterized by abnormal brain formation so that the brain surface appears smooth rather than convoluted....more »
    2253. Lissencephaly -- immunodeficiency
     A very rare syndrome characterized mainly by abnormal brain development and a poor immune system....more »
    2254. Lissencephaly 3
     A rare brain malformation where the surface of the brain is smoother than normal. The brain abnormality causes symptoms such as mental retardation and seizures. The severity of the disorder is variable and is caused by a genetic defect on chromosome 12q12...more »
    2255. Lissencephaly syndrome type 1
     A very rare form of the brain formation disorder called lissencephaly where the brain surface is abnormally smooth rather than convoluted resulting in mental retardation. Physical malformations are also present....more »
    2256. Lissencephaly type 1, due to LIS 1 anomalies
     A rare brain malformation where the surface of the brain is smoother than normal. Type 1 is caused by a defect on the LIS1 gene on chromosome 17p13.3. The severity of the symptoms are variable depending on the severity of the brain abnormality. Miller-Die...more »
    2257. Lissencephaly with cerebellar hypoplasia
     Abnormal brain development characterized by an abnormally smooth brain surface and an underdeveloped cerebellum. The severity of the disorder is variable but often involves seizures and mental retardation....more »
    2258. Lissencephaly with cerebellar hypoplasia, recessive
     Abnormal brain development where the brain is abnormally smooth and the cerebellum is underdeveloped....more »
    2259. Lissencephaly, X linked -- agenesis of the corpus callosum -- genital anomalies
     A rare brain malformation where the surface of the brain is smoother than normal. Absent corpus callosum and genital anomalies are also associated. The severity of the disorder is variable....more »
    2260. Lissencephaly, X-linked 2
     A rare brain malformation where the surface of the brain is smoother than normal. Genital anomalies are also associated. The severity of the disorder is variable....more »
    2261. Lissencephaly, type 1, X-linked
     Abnormal brain development characterized by an abnormally smooth brain. This form of the disorder is inherited in a X-linked manner (defect on the DCX gene) and the corpus callosum fails to develop. Males tend to be affected more severely than females....more »
    2262. Loeys-Dietz syndrome
     A very rare syndrome characterized mainly by a bulge in the aorta (aneurysm), wide set eyes, cleft palate, divided uvula and twisted arteries....more »
    2263. Logophobia
     An exaggerated or irrational fear or dislike of words....more »
    2264. Lopes-Marques de Faria syndrome
     A very rare syndrome characterized mainly by decreased hair and mental retardation....more »
    2265. Lortab withdrawal
     Symptoms that occur when Lortab use is discontinued or reduced. Lortab is a pain-killer and cough reliever. Symptoms may vary depending on the level of dependence. Symptoms are usually peak during the second day and last about a week....more »
    2266. Low birth weight -- dwarfism -- dysgammaglobulinemia
     A very rare syndrome characterized mainly by low birth weight, short stature and a immune system abnormality....more »
    2267. Lowe oculocerebrorenal syndrome
     A rare inherited metabolic disorder characterized primarily by eye and bone abnormalities, mental retardation and kidney problems....more »
    2268. Lowry-Maclean syndrome
     A very rare syndrome characterized mainly by mental retardation, retarded growth, glaucoma, congenital heart defects and premature fusion of skull bones....more »
    2269. Lowry-Wood syndrome
     A rare syndrome characterized by a small head, rapid involuntary eye movements (nystagmus) and abnormal development of the ends of long bones where growth occurs....more »
    2270. Luiga-induced lead poisoning
     Coral is a folk remedy used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead. Children are more suscep...more »
    2271. Lujan-Fryns syndrome
     A rare genetic disorder characterized by mental retardation and marfanoid habitus (features of Marfan's syndrome)....more »
    2272. Lunaphobia
     An exaggerated or irrational fear of the moon....more »
    2273. Lundberg II syndrome
     A rare syndrome involving cataracts, reduced hormone production by ovaries or testes and myopathy which mainly involves the facial and muscles close to the trunk....more »
    2274. Lupus
     Autoimmune disease with numerous effects on various organs and linings....more »
    2275. Lymphangiectasies and lymphedema Hennekam type
     A rare disorder characterized by buildup of lymphatic fluid in the limbs, face and genitals, seizures and mental and growth retardation....more »
    2276. Lymphatic Filariasis
     Parasitic worm infection of the lympatic system...more »
    2277. Lymphocytic Choriomeningitis
     Rodent-borne viral disease often causing meningitis or encephalitis...more »
    2278. Lymphoedema -- lymphangiectasia -- mental retardation
     A rare disorder characterized by buildup of lymphatic fluid in the limbs, face and genitals, seizures and mental and growth retardation....more »
    2279. Lymphomatous thyroiditis
     Progressive thyroid gland enlargement due to autoimmune disease....more »
    2280. Lysosomal glycogen storage disease with normal acid maltase activity
     A rare inherited disorder characterized by severe heart problems, varying degrees of muscle weakness and often mental retardation. Other symptoms such as mental retardation may also occur. The genetic anomaly manifests as a deficiency of a protein called ...more »
    2281. Lyssophobia
     An exaggerated or irrational fear of becoming insane....more »
    2282. MASA Syndrome
     A very rare inherited disorders characterized by mental retardation (M), aphasia (A), shuffling walk (S) and adducted thumbs (A). The symptoms are variable from case to case but mental retardation is a consistent feature....more »
    2283. MELAS
     A mitochondrial disorder characterized by stroke-like episodes, headaches, vomiting and other neurological symptoms....more »
    2284. MN1
     A rare genetic defect that can cause meningiomas to develop. A meningioma is a tumor of the meninges which is a membrane that encloses the brain and spinal cord The genetic defect occurs on chromosome 22. The tumor is usually slow-growing and benign....more »
    2285. MOMO syndrome
     A very rare syndrome characterized mainly by a large size and weight at birth, a large head and eye abnormalities....more »
    2286. MORM syndrome
     A rare syndrome characterized by mental retardation, truncal obesity, small penis and an eye disorder....more »
    2287. MPS 3 C
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) due to deficiency of an enzyme called acetyl-CoA:alpha-glucosamide N-acetyltransferase. Mucopolysaccharide levels build up and are then dep...more »
    2288. MPS 3 D
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) due to deficiency of an enzyme called N-acetylglucosamine-6-sulfate sulfatase. Mucopolysaccharide levels build up and are then deposited in...more »
    2289. MRXS-Christianson
     A very rare syndrome characterized mainly by mental retardation, mutism, facial anomalies, epilepsy and weak eye muscles. Males tended to have severe mental retardation whereas female carriers had mild or no mental retardation. Patients do eventually walk...more »
    2290. MacDermot-Winter syndrome
     A very rare syndrome characterized mainly by a small head, underdeveloped genitalia and a protrusion of the area between the eyes (glabella)....more »
    2291. Macrocephaly -- mental retardation -- facial dysmorphism
     A rare syndrome characterized mainly by a large head, mental retardation and an unusual facial appearance....more »
    2292. Macrocephaly -- short stature -- paraplegia
     A rare syndrome characterized by a large head, short stature and spastic paraplegia....more »
    2293. Macrocephaly mesodermal hamartoma spectrum
     A rare syndrome characterized mainly by a large head and multiple lipomas and hemangiomas. The severity of the disorder is variable....more »
    2294. Macrocytic Hyperchromic Anemia
     Macrocytic Hyperchromic anemia is a blood disorder characterized by abnormally large red blood cells which contain abnormally high amounts of haemoglobin. There is also a reduced number of red blood cells. This anomaly can be associated with such things a...more »
    2295. Macrocytic anemia
     Macrocytic anemia is a blood disorder where the red blood cells are larger than normal but have low levels of haemoglobin which is needed to carry oxygen throughout the body. The condition usually results from a deficiency of vitamin B12 or folate, digest...more »
    2296. Macrocytosis
     Blood condition where average red blood cell size is increased...more »
    2297. Macrogyria, pseudobulbar palsy and mental retardation
     A very rare syndrome characterized mainly by abnormal brain development which results in mild mental retardation, epilepsy, developmental delay and pseudobulbar palsy which affects speech, chewing and swallowing functions....more »
    2298. Macules hereditary congenital hypopigmented hyperpigmented
     A rare inherited genetic disorder involving small flat areas increased and decreased skin pigmentation....more »
    2299. Macules, hereditary, congenital hypopigmented and hyperpigmented
     A rare inherited genetic disorder involving small flat areas increased and decreased skin pigmentation....more »
    2300. Madokoro-Ohdo-Sonoda syndrome
     A rare disorder characterized by the absence of all four limbs, an unusual face and retarded development....more »
    2301. Magnesium wasting renal
     A rare genetic syndrome characterized mainly by excessive loss of magnesium in the urine due to kidney problems....more »
    2302. Major depressive disorder related fibromyalgia
     Major depressive disorder related fibromyalgia refers to fibromyalgia that is associated with major depression. Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the tissues....more »
    2303. Mal de debarquement
     Imbalance that occurs after being exposed to motion such as on a boat. It differs to normal motion sickness in that symptoms can last months or even years and may be quite debilitating....more »
    2304. Malformations in neuronal migration
     A rare disorder where the brain fails to develop normally - usually the cerebral cortex is involved. Various parts of the brain can be affected to various degrees depending on what stage of development the defect occurs. Mental retardation is one of the m...more »
    2305. Malignant astrocytoma
     A very malignant primary brain tumor consisting of astrocytes. The tumor spreads throughout the brain and a third of patients dying in the first year....more »
    2306. Malignant hypertension
     Malignant hypertension is a condition characterized by very high blood pressure and swelling of the optic nerve. This type of hypertension is more common in people with kidney problems such as narrowed kidney blood vessels. The condition is a medical emer...more »
    2307. Malpuech facial clefting syndrome
     A very rare syndrome characterized by mental and physical retardation, wide set eyes, genital abnormalities and a characteristic facial cleft....more »
    2308. Manganese toxicity
     Excessive exposure to manganese (usually in mines or certain industrial plants) can cause toxicity....more »
    2309. Mannosidosis, alpha B lysosomal
     A rare inherited metabolic disorder involving a deficiency of an enzyme (alpha-mannosidosase) which results in the accumulation of certain chemicals in the body which leads to progressive damage....more »
    2310. Maple syrup urine disease
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Other milder variants of the disease do ex...more »
    2311. Maple syrup urine disease, type 1A
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and ph...more »
    2312. Maple syrup urine disease, type 1B
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and ph...more »
    2313. Maple syrup urine disease, type 2
    2314. Maple syrup urine disease, type 3
    2315. Maple syrup urine disease, type II
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and ph...more »
    2316. Maple syrup urine disease, type III
     A very rare inherited metabolic disorder involving abnormal metabolism of branched chain amino acids (leucine, isoleucine and valine) and resulting in severe illness which generally leads to death if not treated. Even mild form can result in mental and ph...more »
    2317. Marburg multiple sclerosis
     Malignant Multiple Sclerosis, is a particularly aggressive form of the disease. Thankfully very rare, this highly aggressive form is defined by its swift and relentless decline to significant disability or even death, often within a few weeks or months af...more »
    2318. Marchiafava-Bignami disease
     A progressive syndrome associated with alcohol abuse and/or nutritional disorder. It is characterized by fits, stupor, dementia and coma....more »
    2319. Marden-Walker Syndrome
     A rare genetic disorder characterized by blepharophimosis, joint contractures and fixed facial expression....more »
    2320. Marfanoid -- mental retardation syndrome autosomal
     A very rare syndrome characterized mainly by psychomotor retardation, a flat face and some symptoms of Marfan syndrome (long arms and legs, tall stature, reduced skin fat and poor muscle tone)....more »
    2321. Maria Luisa-induced lead poisoning
     Maria Luisa is a lead-containing tetraoxide salt used mainly by Mexican people to treat digestive or stomach problems including indigestion and diarrhea. This folk remedy has the potential to cause lead poisoning due to its relatively high content of lead...more »
    2322. Marijuana Smoking
     Smoking the leaves of a plant drug called cannabis....more »
    2323. Marijuana abuse
     Illicit depressant/hallucinogenic drug...more »
    2324. Marijuana addiction
     Marijuana addiction is the uncontrollable desire to use marijuana on a regular basis. Frequent use leads to an increased tolerance to the drug so higher and higher doses are required to achieve the desired euphoric feeling....more »
    2325. Marijuana amotivational syndrome
     Symptoms resulting from chronic marijuana use. Some experts won't recognize the symptoms as a distinctive condition....more »
    2326. Marijuana overdose
     Marijuana is a relatively common recreational drug sometimes used to manage pain or stress disorders. Very large amounts have to be smoked or eaten in order to result in overdose symptoms and death is extremely unlikely. The symptoms of excessive doses ar...more »
    2327. Marijuana withdrawal
     Symptoms that occur when marijuana use is discontinued or reduced. Symptoms may vary depending on the level of dependence....more »
    2328. Marinesco-Sjogren I
     A rare condition characterized by cerebellar ataxia, speaking difficulty, mental retardation, short stature and tooth, hair and nail abnormalities....more »
    2329. Marinesco-Sjogren syndrome
     A group of recessively inherited disorder characterized mainly by incoordination due to a brain anomaly....more »
    2330. Marinesco-Sjogren-like syndrome (MSLS)
     A very rare disorder characterized by cataracts (during childhood), mental retardation, muscle weakness and brain degeneration. The disorder is very similar to another syndrome called Marinesco-Sjogren syndrome....more »
    2331. Maroteaux-Fonfria syndrome
     A rare congenital disorder characterized by extra little fingers and extra big toes as well as the normal features associated with Apert syndrome....more »
    2332. Marsh marigold poisoning
     Marsh marigold is a low growing plant with rounded leaves and small yellow flowers. The plant can be found growing in the wild or in gardens. The leaves from the plant contain a chemical called protoanemonin which can cause symptoms if large quantities ar...more »
    2333. Massa-Casaer-Ceulemans syndrome
     A very rare syndrome characterized mainly by abnormal brain development (lissencephaly - smooth brain) and multiple joint contractures at birth....more »
    2334. Mastocytosis -- short stature -- hearing loss
     A very rare syndrome characterized mainly by short stature, abnormal skin pigmentation, small ears and hearing impairment....more »
    2335. Mastocytosis, cutaneous, with short stature, conductive hearing loss and microtia
     A very rare syndrome characterized mainly by short stature, abnormal skin pigmentation, small ears and hearing impairment....more »
    2336. Maternally Inherited Leigh Syndrome
     A rare condition where Leigh syndrome is inherited from the mother. Leigh syndrome is characterized by degeneration of the brain and impaired function of various organs....more »
    2337. Matsoukas syndrome
     An extremely rare condition characterized by mental retardation, eye problems, facial anomalies and joint problems....more »
    2338. Matsoukas-Liarikos-Giannika syndrome
     A very rare syndrome characterized mainly by mental retardation, short stature and eye and joint abnormalities....more »
    2339. Mc Leod neuroacanthocytosis syndrome
     A rare syndrome characterized by neuromuscular, blood and central nervous system symptoms. The disease is slowly progressive....more »
    2340. McDowall syndrome
     A very rare syndrome characterized mainly by mental retardation and excessive skin folds and furrows on the scalp....more »
    2341. McLain-Dekaban syndrome
     A rare familial disorder characterized by the association of mental retardation, coloboma and an abnormal body build....more »
    2342. Mechanophobia
     An exaggerated or irrational fear or dislike of machinery....more »
    2343. Medication related hypothyroidism
     Drug-induced hypothyroidism is an underactive thyroid gland due to a reaction from medication....more »
    2344. Mediterranean myoclonic epilepsy
     A rare inherited type of progressive myoclonus epilepsy which tends to cause symptoms during childhood. The involuntary muscle movements tend to occur more frequently and become more severe with increasing age. Symptoms may occur following various stimuli...more »
    2345. Medium-Chain Acyl-CoA Dehydrogenase Deficiency
     A rare disorder where the body lacks enzymes needed to convert some fats (medium-chain fatty acids) into energy and hence these fats build up in the body and cause damage....more »
    2346. Medrano-Roldan syndrome
     A very rare syndrome characterized mainly by mental retardation, reduced muscle tone and increased skin pigmentation....more »
    2347. Medulloblastoma
     A type of brain tumor....more »
    2348. Megalencephalic leukoencephalopathy with subcortical cysts
     A very rare syndrome characterized mainly by a progressive brain destruction that causes mental retardation and incoordination that starts early in life....more »
    2349. Megalencephaly -- polymicrogyria -- post-axial polydactyly -- hydrocephalus
     A rare syndrome characterized mainly by brain abnormalities, extra digits and a excess fluid inside the skull....more »
    2350. Megaloblastic Anemia 1
     A rare genetic blood disorder where a defect in the vitamin B12 receptor means that it can't be absorbed from food during digestion. As a result of the low vitamin B12 levels, the body produces increased numbers of abnormal enlarged red blood cells (megal...more »
    2351. Megalocornea mental retardation syndrome
     A very rare genetic disorder characterized by reduced muscle tone from birth, mental retardation to varying degrees and eye abnormalities. The type and severity of symptoms is variable...more »
    2352. Megalocytic-Normochromic anemia
     Megalocytic-Normochromic is a blood disorder characterized by normal amounts of haemoglobin within abnormally large red blood cells. However, the number of red blood cells is low....more »
    2353. Megarbane syndrome
     A very rare disorder characterized by short stature, loose joints, hernias, facial abnormalities and severe psychomotor retardation....more »
    2354. Melanoma -- astrocytoma syndrome
     A rare syndrome characterized by the association of a melanoma with a type of brain tumor called an astrocytoma. The exact symptoms may vary depending on the exact location of the brain tumor....more »
    2355. Meleda Disease
     A very rare inherited skin disorder primarily involving dry thick skin patches that develop on the palms of hands and soles of feet. The type and severity of symptoms is variable....more »
    2356. Meningioma
     A slow-growing tumor of the meninges that is not cancerous. Symptoms are determined by the size and location of the tumor....more »
    2357. Meningitis
     Dangerous infection of the membranes surrounding the brain....more »
    2358. Meningococcal A
     Meningococcal meningitis is an infection that causes inflammation of the membranes covering the brain and spinal cord. Meningococcal meningitis A is caused by meningococcus A which is mostly common in hyperendemic areas in Africa known as the meningitis b...more »
    2359. Meningococcal B
     Meningococcal meningitis B is an infection that causes inflammation of the membranes covering the brain and spinal cord....more »
    2360. Meningococcal C
     Meningitis C is a strain of meningococcal meningitis, a bacterial infection of the membranes surrounding the brain and spinal cord....more »
    2361. Meningococcal disease
     Dangerous bacterial infection causing meningitis or bacteremia....more »
    2362. Meningoencephalocele
     A very rare developmental disorder where a part of the membrane that covers the brain and or part of the brain itself protrudes through an abnormal opening in the skull. The condition may be asymptomatic or if the defect is large, severe neurological abno...more »
    2363. Menkes Disease
     Genetic disease of copper deficiency....more »
    2364. Menopause
     The end of female menstruation and fertility....more »
    2365. Mental Retardation -- Pterygia -- Shortness -- Distinctive Facial Appearance
     A very rare syndrome characterized mainly by short stature, underdeveloped genitals and various skull and facial anomalies....more »
    2366. Mental Retardation, Autosomal Dominant, 1
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 2q23.1....more »
    2367. Mental Retardation, Autosomal Dominant, 2
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 9p24....more »
    2368. Mental Retardation, Autosomal Dominant, 3
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 16q24.3....more »
    2369. Mental Retardation, Autosomal Dominant, 4
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 11q24.2....more »
    2370. Mental Retardation, Autosomal Dominant, 5
     A form of mental retardation inherited mental retardation linked to a defect on chromosome 6p21.3....more »
    2371. Mental Retardation, Joint Hypermobility Wit