Self
Assessment

Have a symptom?
See what questions
a doctor would ask.
 
Symptom Checker » Acute nausea and vomiting in children » Acute onset of headache in the elderly
 

Acute nausea and vomiting in children and Acute onset of headache in the elderly and Nuchal rigidity and Stiffness
Symptom Checker

Results: Causes of Acute nausea and vomiting in children AND Acute onset of headache in the elderly AND Nuchal rigidity AND Stiffness

Note: Do not use for diagnosis; see limitations of results.

Results: 708 causes of Acute nausea and vomiting in children OR Acute onset of headache in the elderly OR Nuchal rigidity OR Stiffness

    1. Abdominal muscle strain
     Damage to the abdominal muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severit...more »
    2. 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 »
    3. 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 »
    4. Acitretin- Teratogenic Agent
     Reports indicate that the use of Acitretin during pregnancy may cause various harmful effects on the fetus. The likelihood and severity of symptoms may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at. Acitreti...more »
    5. Acquired hypothyroidism
     Acquired hypothyroidism is a condition where the thyroid gland makes too little or no thyroid hormone. Acquired hypothyroidism can be caused by both thyroid disease (primary hypothyroidism) and hypothalamic-pituitary disease (central hypothyroidism)...more »
    6. Acromesomelic dysplasia Brahimi Bacha type
     A very rare genetic malformation syndrome characterized primarily by developmental abnormalities of the face and skeletal bones....more »
    7. Acromesomelic dysplasia Hunter Thompson type
     A rare genetic syndrome characterized by various severe developmental abnormalities of the skeletal bones....more »
    8. Acromesomelic dysplasia, Maroteaux type
     A rare genetic syndrome characterized by various developmental abnormalities of the skeletal bones and facial anomalies....more »
    9. Acute Appendicitis
     Infection of the appendix...more »
    10. 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 »
    11. Acute Disseminated Encephalomyelitis
     A rare neurological disorder where an inflammation of the brain and spinal cord occurs due to damage to the protective covering (myelin sheath) around the nerves....more »
    12. 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 »
    13. 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 »
    14. 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 »
    15. 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 »
    16. 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 »
    17. 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 »
    18. Acute idiopathic polyneuritis
     A rare progressive form of ascending polyneuropathy believed to be an autoimmune response....more »
    19. 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 »
    20. 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 »
    21. 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 »
    22. 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 »
    23. 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 »
    24. 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 »
    25. 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 »
    26. 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 »
    27. Adrenocortical carcinoma
     A condition which is characterized by malignancy which affects the adrenocortex....more »
    28. 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 »
    29. Adult progressive spinal muscular atrophy, Aran Duchenne type
     A group of inherited motor neuron diseases involving progressive muscle weakness, wasting and paralysis due to degeneration of motor neurons in the spinal cord. Muscle weakness and wasting usually starts in the hands and may gradually spread to other musc...more »
    30. Adult-onset ALD
     Form of ALD in adults....more »
    31. 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 »
    32. Alexander Syndrome
     Brain myelin disorder causing mental degeneration....more »
    33. Alkaptonuria
     A rare disorder where the abnormal accumulation of a particular acid (homogentisic acid) in the body causes connective tissue and bone damage. This damage gives tissues a dark or bluish discoloration....more »
    34. Allain Babin Demarquez syndrome
     A rare syndrome characterized by premature fusion of skullbones, abnormal development of skeletal bones and hypertension....more »
    35. Alpers Syndrome
     A rare syndrome characterized by liver disease, seizures and progressive, episodic psychomotor retardation....more »
    36. 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 »
    37. Amyoplasia
     A rare condition characterized by congenital joint stiffness....more »
    38. Amyotrophic lateral sclerosis type 1
    39. Amyotrophic lateral sclerosis, 11
     An inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 11 is differentiated by the origin of the genetic defect involved (6q21)....more »
    40. Amyotrophic lateral sclerosis, 9
     An inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 9 is differentiated by the origin of the genetic defect involved (14q11)....more »
    41. Amyotrophic lateral sclerosis, familial
    42. Amyotrophic lateral sclerosis, familial type 1
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 1 is characterized by adult onset and relatively fast progression of symptoms. It usua...more »
    43. Amyotrophic lateral sclerosis, familial type 2
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 2 is characterized by childhood or adolescent onset of symptoms which progress very sl...more »
    44. Amyotrophic lateral sclerosis, familial type 3
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 3 is characterized late adulthood onset of symptoms which progress slowly over 5 years...more »
    45. Amyotrophic lateral sclerosis, familial type 4
     A generally fatal progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 4 is characterized by the onset of symptoms before the age of 25 and slow progression over the ne...more »
    46. Amyotrophic lateral sclerosis, familial type 5
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 6 is characterized adolescent onset of symptoms with progression varying between 1 and...more »
    47. Amyotrophic lateral sclerosis, familial type 6
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 6 is characterized adult onset of symptoms with progression varying between 1 and 20 y...more »
    48. Amyotrophic lateral sclerosis, familial type 7
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 7 is characterized adult onset of symptoms with progression varying between less than ...more »
    49. Amyotrophic lateral sclerosis, familial type 8
     A generally fatal, inherited progressive disease where destruction of motor nerves in the spinal cord and brain stem cause progressive muscle weakness and wasting. Type 8 is characterized by adult onset and relatively slow progression of symptoms. It occu...more »
    50. Angiokeratoma -- mental retardation -- coarse face
     A rare inherited genetic syndrome characterized by mental retardation, coarse facial features and capillary hemangiomas....more »
    51. Angiostrongyliasis
     Infection by a parasitic worm (Angiostrongylus). Infection can occur through eating contaminated raw animals such as snails, slugs, prawns or crabs which act as hosts to these parasites....more »
    52. Ankle Arthritis
     Inflammation of the ankle joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    53. Ankle Osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the ankle joint as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all...more »
    54. Ankle sprain
     Damage to the ankle ligaments....more »
    55. Ankylosing spondylarthritis
     Inflammation of one or more spine joints. The spine becomes progressively painful and stiff and the spine joints may eventually fuse and cause disability. The condition may vary from mild to severe. Inflammation can affect other joints and tissues....more »
    56. Ankylosis
     Fusion of bones in a joint...more »
    57. Ankylosis -- facial anomalies -- pulmonary hypoplasia syndrome
     A rare familial syndrome characterized mainly by fused or stiff joints, facial anomalies and underdeveloped lungs....more »
    58. Anoxia
     Lack of oxygen to the body's tissues....more »
    59. Antley-Bixler Syndrome
     A rare genetic disorder characterized by premature closing of skull bones, choanal atresia and craniofacial and limb abnormalities....more »
    60. Antley-Bixler-like syndrome -- ambiguous genitalia -- disordered steroidogenesis
     A rare genetic disorder involving a deficiency of an enzyme (cytochrome P450 oxidoreductase) which causes steroid abnormalities. The condition results in ambiguous genitalia in females due to excessive androgen during fetal growth. Patients can also have ...more »
    61. Aortic Aneurysm, Thoracic
     Bulging and weakness of the aorta in the area of the chest. The condition is life-threatening as death can occur rapidly if the aneurysm bursts....more »
    62. 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 »
    63. 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 »
    64. Arnold-Chiari malformation type 3
     An extremely rare malformation where the base of the brain enters into the upper spinal canal. Type 3 involves the herniation of brain or brain stem tissue out of the back of the neck or head. The condition generally has a poor prognosis....more »
    65. 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 »
    66. Arthralgia
     Pain in the joints, often a symptom of arthritis....more »
    67. Arthritis -- short stature -- deafness
     A very rare syndrome characterized by arthritis, short stature, deafness and numerous other abnormalities....more »
    68. Arthritis pain
     Arthritis is inflammation of one or more joints, which results in pain, swelling, stiffness, and limited movement....more »
    69. Arthritis-like conditions
     Medical conditions highly related to or similar to arthritis....more »
    70. Arthrogryposis -- hyperkeratosis, lethal form
    71. Arthrogryposis -- ophthalmoplegia -- retinopathy
     A very rare syndrome characterized by congenital contractures of the hands and feet as well as eye problems....more »
    72. Arthrogryposis -- renal dysfunction -- cholestasis syndrome
     A very rare syndrome characterized by joint contractures, kidney dysfunction and liver problems....more »
    73. Arthrogryposis IUGR thoracic dystrophy
     A very rare syndrome characterized by congenital joint contractures, intrauterine growth retardation (IUGR) and ribcage abnormalities....more »
    74. Arthrogryposis due to muscular dystrophy
     A rare disorder where a non-progressive muscle disease results in the presence of multiple joint contractures at birth....more »
    75. Arthrogryposis multiplex congenita neurogenic type
     A rare non-progressive syndrome characterized by congenital contractures that originates from a nerve problem (spinal motor neuron depletion)....more »
    76. Arthrogryposis multiplex congenita type 2B
     A form of distal arthrogryposis (joint contractures in ends of limbs) that also involves craniofacial abnormalities....more »
    77. 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 »
    78. Arthrogryposis, congenital -- myopathic seizures
     A rare syndrome characterized by mental retardation and muscle problems....more »
    79. Arthrogryposis, distal, type 2A
     A form of distal arthrogryposis (joint contractures in ends of limbs) that involves additional symptoms such as facial and spinal anomalies....more »
    80. Arthrogryposis, distal, type 2B
     A form of distal arthrogryposis (joint contractures in ends of limbs) that also involves craniofacial abnormalities....more »
    81. Arthropathy, progressive pseudorheumatoid, of childhood
     A form of progressive rheumatoid arthritis that affects children....more »
    82. 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 »
    83. Atherosclerosis- deafness -- diabetes -- epilepsy -- nephropathy
     A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries....more »
    84. Atlanto-Axial Fusion
     A congenital anomaly where the first neck vertebrae is fused to the skull....more »
    85. Austrian syndrome
     A condition where alcoholism is associated with heart failure and pneumococcal meningitis....more »
    86. Autoimmune thyroid diseases
     Autoimmune diseases of the thyroid gland....more »
    87. Avascular necrosis
     Bone death from lack of circulation....more »
    88. Back sprain
     Damage to ligaments in the back....more »
    89. 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 »
    90. Bahemuka Brown syndrome
     A very rare syndrome characterized by spastic paraplegia and skin pigmentation irregularities....more »
    91. 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 »
    92. Baraitser Brett Piesowicz syndrome
     A very rare syndrome characterized by a small head and calcification in the brain....more »
    93. Baraitser burn fixen syndrome
     A rare syndrome characterized mainly by skeletal abnormalities, a skin disorder and an expressionless face....more »
    94. Bartschi-Rochaix syndrome
     A range of symptoms caused by compression of the cerebral artery....more »
    95. Basilar impression primary
     A congenital bone abnormality where the skull and vertebrae meet which can compress some of the brain structures and result in neurological abnormalities. The defect is often associated with other vertebral abnormalities. In severe cases, the cerebrospina...more »
    96. Behcet's Disease
     Recurring inflammation of small blood vessels affecting various areas....more »
    97. 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 »
    98. Bell's Palsy
     A usually temporary facial nerve disorder where a part or all of the face becomes suddenly paralysed....more »
    99. Bentham-Driessen-Hanveld syndrome
     A rare syndrome characterized mainly by the association of undescended testes, long thin fingers and mental retardation....more »
    100. Besnier-Boeck-Schaumann disease
     A rare disease where inflammatory granular nodules form in various organs....more »
    101. Bethlem myopathy
     A rare, slow-progressing, genetic muscle disorder where the muscle gradually weaken and become wasted....more »
    102. Bicep muscle strain
     Damage to the bicep muscle in the arm due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the ...more »
    103. Bipolar disorder
     Cycles of mania and depression; commonly called "manic-depression"....more »
    104. Borreliosis
     An infectious bacterial disorder that is transmitted by ticks and causes skin rashes joint swelling and other symptoms similar to the flu....more »
    105. Brachydactyly -- tibial hypoplasia
     A rare syndrome characterized by short digits and an underdeveloped or absent shin bone....more »
    106. Brain abscess
     Pus accumulating into an abscess on the brain...more »
    107. Brain cancer
     Cancer of the brain....more »
    108. Brain infection
     Infection of the brain including encephalitis...more »
    109. Broken Collarbone
     Fractured collarbone (clavicle)...more »
    110. Broken elbow
     Fracture at the elbow joint...more »
    111. Broken hand
     Fracture of one or more bones in the hand...more »
    112. Bursitis
     Inflammation of one or more bursae (small sacs) of synovial fluid in the body....more »
    113. 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 »
    114. Calf muscle strain
     Damage to the calf muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of ...more »
    115. California encephalitis
     An uncommon mosquito born virus (California encephalitis virus) which can cause brain inflammation in humans. The severity of symptoms is variable. The incubation period can last from a few days to a week. Infants and children tend to be more severely aff...more »
    116. 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 »
    117. Carnitine Palmitoyl Transferase II Deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase 1) prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a slight...more »
    118. Carnitine palmitoyl transferase 2 deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase) which prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a sl...more »
    119. Carnitine palmitoyl transferase II deficiency, infantile hepatocardiomuscular type
     A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. The infantile form of this disease affects the muscles and the liver and heart....more »
    120. Carnitine palmitoyl transferase II deficiency, lethal neonatal form
     A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. The lethal neonatal form affects various organs as well as the muscles and death usually occurs during the first year of life....more »
    121. Carnitine palmitoyl transferase II deficiency, myopathic
     A very rare metabolic disorder where deficiency of a particular enzyme (CPT II) prevents muscle fats being converted to energy. Prolonged exercise can cause an episode of muscle symptoms. The myopathic form of the condition is the least severe and tends t...more »
    122. Carnitine palmitoyl transferase deficiency
     A very rare inherited deficiency of a particular enzyme (Carnitine palmitoyl transferase) which prevents fatty acids being transported to the part of the cell that converts it to energy. There are two main subtypes of the disorder with each involving a sl...more »
    123. Central nervous system infections
    124. 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 »
    125. 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 »
    126. 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 »
    127. Cerebrorenodigital syndrome
     A rare group of syndromes characterized mainly by brain, kidney, finger and toe abnormalities....more »
    128. Cervical Spondylosis
     Condition where bony changes within the cervical spine causes spinal cord compression with associated neck pain; usually seen in patients over 40 years of age....more »
    129. Charcot-Marie-Tooth disease with pyramidal features, autosomal dominant
     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 5 has an autosomal dominant inheritance, progre...more »
    130. Chemical meningitis
     Symptomatic aseptic, chemical meningitis is a rare complication of myelography. A number of these cases have a history of one or more episodes of chemical meningitis preceding their arachnoiditis....more »
    131. 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 »
    132. 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 »
    133. 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 »
    134. Childhood hypophosphatasia
     An inherited bone disorder due to an inborn error of metabolism characterized by a deficiency of alkaline phosphate which results in loss of deciduous teeth before the age of 5 as well as muscle and bone problems - childhood onset....more »
    135. Chondritis
     Inflammation of the cartilage of the joint...more »
    136. Chondrocalcinosis
     A rare inherited metabolic disorder where the chemical calcium pyrophosphate dihyrdate is deposited in one or more joints in the body - usually the knee is affected....more »
    137. Chondrocalcinosis 1
     A very rare genetic disorder characterized by progressive osteoarthritis which starts relatively early and is progressive. Joint damage is caused by deposits of crystals containing calcium....more »
    138. Chondrocalcinosis 2
     A very rare genetic disorder characterized by progressive osteoarthritis. Joint damage is caused by deposits of crystals containing calcium....more »
    139. Chondrocalcinosis due to apatite crystal deposition
     A rare inherited disorder involving calcium pyrophosphate deposits in cartilage, joint fluid and tissues around joints....more »
    140. Christian's syndrome 1
     A rare recessively inherited syndrome characterized by premature skull fusion, cleft palate, permanently flexed fingers and various other anomalies....more »
    141. 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 »
    142. 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 »
    143. 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 »
    144. 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 »
    145. 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 »
    146. 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 »
    147. Chromosome 3, monosomy 3p25
     A rare chromosomal disorder characterized by mental retardation, short stature, deafness, extra digits, facial anomalies and various other abnormalities....more »
    148. Chromosome 3, monosomy 3q13
     A rare chromosomal disorder characterized by a range of abnormalities including facial anomalies, kidney dysfunction, large head, small penis and impaired joint mobility....more »
    149. 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 »
    150. 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 »
    151. 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 »
    152. 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 »
    153. Chromosome 7, terminal 7p deletion
     A rare chromosomal disorder where there is one copy of the end 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 deleted....more »
    154. 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 »
    155. 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 »
    156. 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 »
    157. 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 »
    158. 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 »
    159. 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 »
    160. 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 »
    161. Chromosome 9q duplication syndrome
     A rare chromosomal disorder involving duplication of the long arm (q) of chromosome 9 resulting in various abnormalities....more »
    162. Congenital Muscular Dystrophy
     Muscle weakness and wasting that starts at birth or around the time of birth. The severity and extent of muscle involvement is greatly variable....more »
    163. Congenital ichthyosis, microcephalus, quadriplegia
     A rare birth disorder characterized by scaly skin, small head and paralysis of legs and arms....more »
    164. Congenital myopathy
     A very rare inherited disorder where muscles are overly-responsive to stimuli because of an abnormality in the muscle membranes. It causes prolonged muscle contraction which is muscle stiffness. The two main forms of myotonia congenital are Thomsen and Be...more »
    165. Connective tissue disorders
     Any condition affecting connective tissues....more »
    166. Connective tissue dysplasia, Spellacy type
     A very rare syndrome caused by an inherited collagen disorder and characterized by skin abnormalities, skeletal and eye anomalies and joint problems....more »
    167. Cranio osteoarthropathy
     A very rare syndrome characterized by large fontanelles, joint problems and finger clubbing....more »
    168. Craniostenosis with congenital heart disease mental retardation
     A very rare disorder characterized mainly by premature fusion of the sagittal skull bones, mental retardation and heart disease that is present at birth. The disorder generally involves other variable features....more »
    169. Craniosynostosis cleft lip palate arthrogryposis
     A rare condition characterized mainly by the association of premature fusion of skull bones (craniosynostosis), cleft lip and/or palate and arthrogryposis....more »
    170. 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 »
    171. Cutis verticis gyrata mental deficiency
     A rare inherited disorder characterized by mental retardation, seizures and eye and movement problems....more »
    172. Davenport-Donlan syndrome
     A very rare syndrome characterized mainly by deafness, white hair, contractures and papillomas....more »
    173. Deficiency-induced osteoporosis
     Bone loss has been linked to minerals, drugs and endocrine disorders and hence the term deficiency induced osteoporosis is a very generalised broad term which links together minerals, drugs and other diseases induced osteoporosis....more »
    174. Dent-Friedman syndrome
     A rare form of osteoporosis that occurs in children and adolescents and no cause can be determined....more »
    175. Dental abscess
     Abscess of tooth, gum, or jawbone...more »
    176. 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 »
    177. Depression
     Various syndromes with excessive anxiety, phobias, or fear....more »
    178. Depressive disorders
     Depression or its various related conditions....more »
    179. Dermatomyositis
     A muscle disease characterized by chronic muscle inflammation resulting in progressive muscle weakness and a characteristic rash....more »
    180. Desbuquois dysplasia-like syndrome
     A rare syndrome characterized by various anomalies similar to Desbuquois syndrome but there is no mental retardation, hand abnormalities or facial anomalies involved....more »
    181. Desmoplastic cerebral astrocytoma of infancy
     A rare type of brain tumor that occurs in infants. The tumor consists of cancerous astrocytes....more »
    182. Desmoplastic infantile ganglioma
     A rare type of brain tumor that occurs in infants. The tumor may be slow-growing and benign or fast-growing and malignant....more »
    183. Dialysis-related amyloidosis
     Amyloidosis (protein deposits) from kidney dialysis treatment....more »
    184. Diffuse idiopathic skeletal hyperostosis
     A form of degenerative arthritis characterized by calcification on the sides of the spine vertebrae as well as inflammation and calcification of tendons where they attach to bone which often results in bone spurs....more »
    185. Dislocated elbow
     Dislocation of the elbow joint...more »
    186. Dislocation
     Bone dislocated from a joint...more »
    187. Drug-induced osteoporosis
     Drug induced osteoporosis is both preventable and treatable....more »
    188. Dwarfism -- stiff joint -- ocular abnormalities
     A very rare form of dwarfism characterized by short stature as well as stiff joints and eye abnormalities....more »
    189. Dwarfism -- syndesmodysplasic
     A very rare form of dwarfism involving extremely short stature and progressive joint stiffness....more »
    190. Dyggve-Melchior-Clausen Syndrome
     A rare genetic bone growth disorder characterized by short stature and other skeletal deformities....more »
    191. Dysostosis
     Defective bone development. It can result in missing bones, extra bone, shortened bones or other bone abnormalities. Further symptoms depend on the type of abnormality....more »
    192. Dysthymia
     Mild form of depression...more »
    193. Dysthymia/seasonal depression disorder, PND
    194. Ectopia lentis, isolated
     A rare syndrome characterized by dislocation of eye lenses which often occurred at birth....more »
    195. Edinburgh malformation syndrome
     A rare syndrome characterized mental and physical retardation, infant death and various other abnormalities....more »
    196. Elbow Arthritis
     Inflammation of the elbow joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    197. Elbow Osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the elbow joint as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all...more »
    198. Elbow conditions
     Conditions that affect the elbow...more »
    199. Elbow sprain
     Damage to ligaments in the elbow....more »
    200. Emery-Dreifuss Muscular Dystrophy 1
     A rare inherited condition characterized mainly by slowly progressive muscle wasting which tends to start during childhood as well as joint contractures and heart conduction defects. Type 1 is linked to a defect on chromosome Xq28. Because the condition i...more »
    201. Emery-Dreifuss Muscular Dystrophy 2
     A rare inherited condition characterized mainly by slowly progressive muscle wasting which tends to start during childhood as well as joint contractures and heart conduction defects. Type 2 is linked to a defect on chromosome 1q21.2. Because the condition...more »
    202. Emery-Dreifuss Muscular Dystrophy 3
     A rare inherited condition characterized mainly by slowly progressive muscle wasting which tends to start during childhood as well as joint contractures. Type 3 is linked to a defect on chromosome 1q21.2. Because the condition is inherited in an autosomal...more »
    203. Emery-Dreifuss Syndrome
     A rare inherited condition characterized mainly by slowly progressive muscle wasting which tends to start during childhood as well as joint contractures and heart conduction disorders. In cases with X-linked inheritance, female carriers may have only the ...more »
    204. 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 »
    205. Emery-Dreifuss muscular dystrophy, dominant type
     A rare disorder characterized by slowly-progressing weakness and wasting of skeletal and heart muscles. The dominant form of the disease is associated with greater variability of symptoms....more »
    206. Encephalitis
     Dangerous infection of the brain...more »
    207. Encephalomyelitis
     Inflammation of the brain and spinal cord....more »
    208. 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 »
    209. Enterocolitis
     Serious type of intestinal infection...more »
    210. Eosinophilic fasciitis
     A rare disorder where the skin on the limbs become painfully inflamed and looses it's elasticity....more »
    211. Epicondylitis
     Elbow injury from repeated movements....more »
    212. Epiglotitis
     Inflamation of the epiglottis in the throat...more »
    213. 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 »
    214. Epiphyseal dysplasia, multiple
     Abnormalities in the ends of a number of bones resulting in the early onset of osteoarthrosis and joint pain. There are 6 different subtypes of the disease, with each caused by a mutation in a different gene....more »
    215. Epiphyseal dysplasia, multiple, 2
     Abnormalities in the ends of a number of bones resulting in the early onset of osteoarthrosis and joint pain. It is caused by a defect in the COL9A2 gene....more »
    216. Epiphyseal dysplasia, multiple, 3
     Abnormalities in the ends of a number of bones resulting in the early onset of osteoarthrosis and joint pain. The knees and ankles are usually the most affected joints. Mild weakness of muscles in the upper arms and legs was also sometimes present. It is ...more »
    217. Epiphyseal dysplasia, multiple, 5
     Abnormalities in the ends of a number of bones resulting in the early onset of osteoarthrosis and joint pain. The hips and knees were the main joints involved. It is caused by defects in the gene for matrilin-3 (MATN3)....more »
    218. 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 »
    219. Erythema chronicum migrans
     The first stage of Lyme disease which is transmitted by the bite of the Ixodid tick. The first stage involves a skin rash with systemic symptoms also often occurring....more »
    220. Ewing's family of tumors
     A rare condition where tumors develop in bone or soft tissue. Usually teenagers are affected....more »
    221. Exertional headaches
     Headaches that occur after physical exertion...more »
    222. Extradural hematoma
     Bleeding in the skull outside the brain...more »
    223. Facet syndrome
     An irritation, sprain or strain involving the vertebral joints of the spine. The exact symptoms may vary depending on the part of the spine involved. The condition most often results osteoarthritis, degenerative disc disease or injury....more »
    224. 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 »
    225. Facies unusual arthrogryposis advanced skeletal malformations
     A very rare fatal malformation characterized by an unusual facial appearance, arthrogryposis, advanced bone age of the hips and abnormal X-rays of the skeleton....more »
    226. 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 »
    227. Familial Cold Autoinflammatory Syndrome (FCAS)
     An inherited inflammatory disorder which causes periods of fever, rash and pain in joints after being exposed to cold conditions. Symptoms last less than a day and start within hours of exposure to the cold....more »
    228. 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 »
    229. 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 »
    230. Fara-Chlupackova syndrome
     A rare syndrome characterized mainly by ear, face and neck abnormalities....more »
    231. Feigenbaum-Bergeron-Richardson syndrome
     A rare syndrome characterized mainly by deafness, diabetes, epilepsy, kidney disease and premature hardening of the arteries....more »
    232. Felty Syndrome
     A rare complication of long-term rheumatoid arthritis which involves an enlarged spleen and blood abnormalities....more »
    233. Fetal alcohol syndrome
     A pattern of mental and physical birth defects caused by excessive alcohol use during pregnancy. The range and severity of the symptoms may vary greatly....more »
    234. Fetal brain disruption sequence
     A very rare syndrome characterized by skull and brain abnormalities....more »
    235. Fibromyalgia
     A difficult to diagnose condition affecting the muscles and/or joints...more »
    236. Finger Arthritis
     Inflammation of the finger joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    237. Finger osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the finger joints as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in a...more »
    238. Fitzsimmons-McLachlan-Gilbert syndrome
     A very rare syndrome characterized mainly by mental retardation paraplegia and thickened coarse skin on palms and soles....more »
    239. Flynn-Aird syndrome
     A rare inherited disorder where neurological degeneration causes symptoms such as dementia, ataxia, eye problems, skin disorders and muscle wasting....more »
    240. Forearm injury
     Any injury that occurs to the forearm...more »
    241. Forearm muscle strain
     Damage to the forearm muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity ...more »
    242. Forestier's disease
     A rare disorder involving by bony growths that can occur various parts of the skeleton....more »
    243. Frontometaphyseal dysplasia
     A rare genetic disorder characterized by craniofacial abnormalities, skeletal abnormalities, hearing problems and wasting of arm and leg muscles....more »
    244. Frozen Shoulder
     Frozen shoulder, or adhesive capsulitis, is a condition that causes restriction of motion in the shoulder joint....more »
    245. Fryns-Aftimos syndrome
     A rare syndrome characterized mainly by abnormal brain development, epilepsy, mental retardation and unusual facial appearance....more »
    246. 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 »
    247. GEMSS syndrome
     A rare syndrome characterized mainly by stiff joints, short stature, glaucoma and a dislocated eye lens....more »
    248. GM1 gangliosidosis
     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 1 is a severe infantile form of the...more »
    249. Gangliosidosis generalized GM1, type 1
     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 1 is a severe infantile form of the...more »
    250. Gastroenteritis
     Acute stomach or intestine inflammation...more »
    251. Gaucher disease -- perinatal lethal form
     A rare syndrome characterized by the association of abnormally tight skin and Gaucher disease which is a lipid storage disease. This is the most severe form of Gaucher disease....more »
    252. Geleophysic dwarfism
     A rare genetic disorder characterized by a happy facial expression, short stature and limb abnormalities....more »
    253. 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 »
    254. Gluteal muscle strain
     Damage to the gluteal muscle (buttocks) due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on th...more »
    255. Gout
     Painful joints, most commonly the big toe....more »
    256. Grand mal epilepsy
     A condition characterize by sudden loss of consciousness with tonic-clonic seizures...more »
    257. Grand mal seizures
     Whole body seizures (convulsions/fits)...more »
    258. Granulomatous amebic encephalitis
     Brain/CNS infection from Acanthamoeba bacteria...more »
    259. 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 »
    260. Groin muscle strain
     Damage to the groin muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of...more »
    261. Guillain-Barre Syndrome
     A rare progressive form of ascending polyneuropathy believed to be an autoimmune response....more »
    262. HARD syndrome
     A rare genetic disorder characterized by a smooth brain surface and eye, genitourinary and other abnormalities....more »
    263. HHV-6 encephalitis
     A rare condition that usually occurs in immunocompromised people such as those undergoing transplants or HIV patients. The condition causes neurological symptoms....more »
    264. 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 »
    265. 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 »
    266. 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 »
    267. 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 »
    268. 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 »
    269. 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 »
    270. 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 »
    271. 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 »
    272. 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 »
    273. 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 »
    274. 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 »
    275. 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 »
    276. 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 »
    277. 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 »
    278. 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 »
    279. 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 »
    280. 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 »
    281. 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 »
    282. 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 »
    283. 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 »
    284. 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 »
    285. 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 »
    286. 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 »
    287. 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 »
    288. 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 »
    289. 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 »
    290. 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 »
    291. 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 »
    292. 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 »
    293. 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 »
    294. 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 »
    295. 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 »
    296. 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 »
    297. 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 »
    298. 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 »
    299. 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 »
    300. 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 »
    301. 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 »
    302. 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 »
    303. 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 »
    304. 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 »
    305. 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 »
    306. 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 »
    307. 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 »
    308. 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 »
    309. 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 »
    310. 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 »
    311. 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 »
    312. 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 »
    313. 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 »
    314. 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 »
    315. 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 »
    316. 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 »
    317. 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 »
    318. 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 »
    319. 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 »
    320. 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 »
    321. 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 »
    322. 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 »
    323. 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 »
    324. 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 »
    325. HIV/AIDS
     HIV is a sexually transmitted virus and AIDS is the progressive immune failure that HIV causes....more »
    326. Hand conditions
     Any condition that affects the hand...more »
    327. Hand injury
     Any injury to the hand...more »
    328. Hand muscle strain
     Damage to the hand muscles due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of...more »
    329. Hemophilic arthropathy
     Joint destruction associated with hemophilia. The knees, ankles, elbows, hip and shoulders are the most common joints involved. Symptoms are progressive and often surgical intervention is required to prevent total loss of joint function....more »
    330. Hemophilus influenzae B
     Bacterial respiratory infection with dangerous complications....more »
    331. Hereditary spastic paralysis, infantile onset ascending
     A rare inherited progressive condition where the muscles of the arms, legs and face become increasingly weak and stiff due to damage to nerve cells that control muscle movement. The legs are affected first and then the arms and face - the symptoms ascend ...more »
    332. Herrmann Opitz arthrogryposis syndrome
     A very rare syndrome characterized mainly by contractures, skeletal abnormalities and short stature....more »
    333. Hip Arthritis
     Inflammation of the hip joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    334. Hip Flexor strain
     Damage to the hip flexor muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severi...more »
    335. Hip Replacement
     The replacement of a hip with an synthetic joint...more »
    336. 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 »
    337. Hip conditions
     Any condition that affects the hip...more »
    338. Hip injury
     Any injury that affects the hip...more »
    339. Hip muscle strain
     Damage to the hip muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of t...more »
    340. Hip osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the hip joint as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all c...more »
    341. Hip sprain
     Damage to ligaments in the hip....more »
    342. Homocystinuria
     A rare inherited metabolic disorder involving the amino acid methionine and resulting in a harmful accumulation of homocysteine in the body....more »
    343. 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 »
    344. 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 »
    345. Howard-Young syndrome
     A very rare syndrome characterized mainly by a small head, facial cleft and an extra big toe....more »
    346. 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 »
    347. Huntington's Disease
     Inherited disease causing progressive mental deterioration....more »
    348. Hurler syndrome
    349. Hutchinson Gilford Syndrome
     A rare genetic disorder characterized by alopecia and senile-like appearance....more »
    350. 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 »
    351. Hyperandrogenism
     Excessive levels of androgen (male sex hormones) that can occur in males and females....more »
    352. Hyperekplexia and epilepsy
     A rare genetic disorder characterized by progressively severe epilepsy and hyperekplexia. The condition is caused by a defect on chromosome Xq22.1....more »
    353. Hyperexplexia
     A rare condition where the startle reflex is exaggerated. Triggers include sudden noise, movement or touch....more »
    354. Hyperkalemic periodic paralysis
     A rare inherited genetic condition characterized by temporary periods of severe muscle weakness. The condition tends to be more severe in males and can be triggered by stress, fasting, rest after exercise and eating foods high in potassium....more »
    355. Hypertension
     High blood pressure...more »
    356. 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 »
    357. Hypophosphatemic rickets
     A rare genetic type of rickets involving defective phosphate transport and vitamin D metabolism in the kidneys. Poor calcium absorption from the intestines leads to bone softening....more »
    358. 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 »
    359. 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 »
    360. Idiopathic osteoporosis
     Idiopathic osteoporosis is a rare type of osteoporosis.This type of osteoporosis occurs in children and young adults who have normal hormone levels, normal vitamin levels, and no obvious reason to have weak bones....more »
    361. Interferon Beta -- Teratogenic Agent
     There is evidence to indicate that exposure to Interferon Beta 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 exp...more »
    362. Intervertebral disc disease
     Degenerative changes in the discs located between vertebrae. The severity of the disorder is variable....more »
    363. Intracranial Hemorrhages
     Bleeding inside the skull. The condition is a medical emergency and the greater the bleeding, the more severe the condition....more »
    364. Isaacs syndrome
     A rare disorder where muscles suffer from stiffness and cramping, particularly limb muscles....more »
    365. 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 »
    366. Jaffe-Lichtenstein-Sutro syndrome
     A rare disorder characterized by pain and limited movement in one or more large joints such as the knee....more »
    367. 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 »
    368. Jequier-Kozlowski-skeletal dysplasia
     A very rare syndrome characterized mainly by various skeletal abnormalities and facial anomalies....more »
    369. Joint injury -- elbow
     An injury to the elbow which is the joint between the upper and lower arm. Severity of symptoms varies depending on the type and severity of the injury and often the primary symptom is pain. An elbow injury can involve damage to the bones, ligaments or ot...more »
    370. Joint injury -- shoulder
     An injury to the shoulder which is the joint at the top of the arm. Severity of symptoms varies depending on the type and severity of the injury and often the primary symptom is pain. A shoulder injury can involve damage to the bones, ligaments or other t...more »
    371. Jorgenson-Lenz syndrome
     A very rare syndrome characterized mainly by joint problems, mental retardation and various eye and other anomalies....more »
    372. Juvenile Paget's Disease
    373. Juvenile Scleroderma
     Scleroderma that occurs in children. Scleroderma is a connective tissue disease that can affect the skin, blood vessels, the immune system and sometimes even the organs may be involved. The disorder may be localized or affect large areas of the body....more »
    374. Juvenile idiopathic arthritis
     A group of chronic inflammatory joint disorders that affects children. The condition generally involves periods of time where the condition is active followed by periods of abatement of symptoms. In some cases, the condition can be systemic and can cause ...more »
    375. Juvenile idiopathic arthritis, unclassified
     A chronic inflammatory joint condition affecting children. This particular subtype is defined as unclassified as it doesn't fit into any of the other classifications....more »
    376. Kashin-Bek disease
     A disease involving progressive joint degeneration which affects the spine and hands and feet. The condition becomes progressively worse and eventually leads to disability. The condition is most often seen in children who live in the northern parts of Chi...more »
    377. Kernicterus
     A rare condition involving high blood levels of bilirubin which can also accumulate in the brain and lead to neurological problems....more »
    378. Kleeblattschaedel syndrome
     A very rare syndrome characterized mainly by a head the is somewhat cloverleaf shaped....more »
    379. Knee arthritis
     Inflammation of the knee joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    380. Knee conditions
     Any condition that affects the knee...more »
    381. Knee injury
     Any injury that occurs to the knee...more »
    382. Knee osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the knee joint as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all ...more »
    383. Knee sprain
     Damage to ligaments in the knee....more »
    384. Knee tendinitis
     Inflammation of the tendons of the knee joint....more »
    385. Kniest dysplasia
     A rare genetic bone growth disorder characterized by dwarfism, enlarged joints and facial deformities....more »
    386. Koussef nichols syndrome
     A very rare syndrome characterized mainly by muscle problems, a high body temperature and various other physical abnormalities....more »
    387. Kousseff-Nichols syndrome
     A very rare syndrome characterized mainly by muscle problems, a high body temperature and various other physical abnormalities....more »
    388. Krabbe disease, atypical, due to saposin A deficiency
     An inherited biochemical disorder which results in neurological regression within a few months of birth. Death usually occurs during the first few years of life. The disorder is similar to Krabbe disease but is differentiated by the genetic origin of the ...more »
    389. Krause-Kivlin syndrome
     A rare genetic disorder characterized by short limb dwarfism, mental retardation and Peters anomaly....more »
    390. Kuskokwim disease
     A rare syndrome where abnormal muscle attachment causes abnormalities such as muscle wasting or excessive growth and contractures....more »
    391. Leg conditions
     Conditions that affect ones leg...more »
    392. Leg injury
     Any injury that occurs to ones legs...more »
    393. Leg muscle strain
     Damage to the leg muscles due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of ...more »
    394. Legg-Calve-Perthes disease
     Femur/hip bone disease mostly in children...more »
    395. Leukemia
     Cancer of the blood cells, usually white blood cells....more »
    396. Leukodystrophy
     A very rare group of metabolic diseases where chemical anomalies affect the development or maintenance of the protective coating around nerves (myelin sheath). The brain, spinal cord and peripheral nerves may be involved. The range and severity of symptom...more »
    397. Lhermitte-Cornil-Quesnel syndrome
     A rare disorder characterized by the slowly-progressive degeneration of a part of the brain (pyramidal tract and globus pallidus)....more »
    398. Lindsay-Burn syndrome
     A very rare syndrome characterized mainly by mental retardation, psychosis and enlarged testes....more »
    399. Lissencephaly type III -- metacarpal bone dysplasia
     A rare syndrome characterized by an abnormally smooth brain as well as abnormal bone development in the hands....more »
    400. Listeriosis
     Bacterial food poisoning...more »
    401. Localized osteoporosis
     Localized osteoporosis is commonly associated with focal skeletal lesions, such as neoplasm and infection....more »
    402. Lower back muscle strain
     Damage to the lower back muscles due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the sever...more »
    403. Lower back sprain
     Damage to ligaments in the lower back....more »
    404. Lumbar malsegmentation -- short stature
     A very rare syndrome characterized mainly by short stature and abnormal segmentation of the vertebrae in the abdominal segment of the spine....more »
    405. Lyme disease
     Lyme disease is an emerging infectious disease caused by at least three species of bacteria belonging to the genus Borrelia....more »
    406. Lymphocytic Choriomeningitis
     Rodent-borne viral disease often causing meningitis or encephalitis...more »
    407. Lymphoma
     Cancer involving lymph nodes and the immune system....more »
    408. Lymphomatous thyroiditis
     Progressive thyroid gland enlargement due to autoimmune disease....more »
    409. Lysteria monocytoigeneses meningitis
     A very rare form of meningitis (bacterial infection of the brain membrane or meninges) caused by Listeria monocytogenes. The condition is more common in the elderly and those with poor immune system and death is common....more »
    410. Macleod-Fraser syndrome
     An inherited connective tissue disorder characterized by long thin fingers and contractures involving the knees, elbows, fingers and sometimes other joints....more »
    411. 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 »
    412. Mandibuloacral dysplasia
     A very rare syndrome characterized mainly by a prematurely aged appearance and bone abnormalities. There are two subtypes with type B involving loss of fat layers under the skin mainly in the extremities, face and trunk whereas type A involves mainly the ...more »
    413. Mandibuloacral dysplasia with type A lipodystrophy
     A very rare syndrome characterized mainly by a prematurely aged appearance and bone abnormalities. Loss of fat layers under the skin occurs mainly in the extremities in type B. The severity of the symptoms is variable....more »
    414. Maternal hyperphenylalaninemia
     A rare disorder where a mother suffering from phenylketonuria during pregnancy can result in various birth abnormalities....more »
    415. Matsoukas syndrome
     An extremely rare condition characterized by mental retardation, eye problems, facial anomalies and joint problems....more »
    416. Melioidosis
     Bacterial infection from soil or water....more »
    417. Meningitis
     Dangerous infection of the membranes surrounding the brain....more »
    418. Meningitis-like neck stiffness
     Also known as neck rigidity....more »
    419. 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 »
    420. Meningococcal B
     Meningococcal meningitis B is an infection that causes inflammation of the membranes covering the brain and spinal cord....more »
    421. Meningococcal C
     Meningitis C is a strain of meningococcal meningitis, a bacterial infection of the membranes surrounding the brain and spinal cord....more »
    422. Meningococcal disease
     Dangerous bacterial infection causing meningitis or bacteremia....more »
    423. Meningococcal infection
     A rare infectious disease caused by a bacterium called Neisseria meningitides....more »
    424. Meniscus injury
     Knee damage often from trauma or injury...more »
    425. Mental mixed retardation -- deafness -- clubbed digits
     A rare disorder characterized mainly by mental retardation, deafness and clubbed fingers....more »
    426. Mental mixed retardation deafnes clubbed digits
     A rare disorder characterized mainly by mental retardation, deafness and clubbed fingers....more »
    427. Mental retardation -- arachnodactyly -- hypotonia -- telangiectasia
     A very rare syndrome characterized mainly by mental retardation, short fingers, reduced muscle tone and spider veins (telangiectasia)....more »
    428. Mental retardation -- short stature -- deafness -- genital
     A very rare syndrome characterized mainly by mental retardation, short stature, deafness and genital abnormalities....more »
    429. Mental retardation -- short stature -- heart and skeletal anomalies
     A very rare syndrome characterized mainly by mental retardation, short stature and heart and skeletal anomalies....more »
    430. Mental retardation, Buenos Aires type
     A very rare syndrome characterized mainly by mental retardation, physical retardation, unusual facial appearance and heart and kidney defects....more »
    431. Mephenytoin -- Teratogenic Agent
     There is evidence to indicate that exposure to Mephenytoin 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 exposur...more »
    432. Metabolic encephalopathy
     Metabolic encephalopathy is temporary or permanent damage to the brain due to lack of glucose, oxygen or other metabolic agent, or organ dysfunction....more »
    433. Metaphyseal chondrodysplasia with cone-shaped epiphyses, normal hair, and normal hands
     A rare disorder of cartilage development which causes abnormal bone development that mainly affects the legs....more »
    434. Metaphyseal chondrodysplasia, recessive type
     A recessively inherited skeletal disorder characterized by abnormal development of the bone metaphyses which results in short stature from birth....more »
    435. Metatrophic dysplasia
     A very rare form of dwarfism involving short limbs and a long trunk. Less than 100 cases of the condition have been reported....more »
    436. Micrencephaly olivopontocerebellar hypoplasia
     A rare fatal condition characterized by brain disease and a small underdeveloped brain....more »
    437. Mitochondrial Parkinson's disease
     A form of Parkinson's disease that seems to be linked to mitochondrial defects - mitochondria are the energy-producing components of body cells. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle ri...more »
    438. Mucolipidosis III
     A rare metabolic disorder where deficiency of a particular enzyme leads to the buildup of mucopolysaccharides and mucolipids in the body which is harmful to the body and leads to premature death....more »
    439. Mucolipidosis type 3 A
     A rare inherited biochemical disorder involving the progressive accumulation of certain chemicals (glycoproteins and glycolipids) in body tissues due to deficiency of an enzyme (UDP-N-acetylglucosamine-I-phosphotransferase) needed to process it....more »
    440. Mucopolysaccharidosis II
     Disorder of mucopolysaccharide metabolism in juveniles....more »
    441. Mucopolysaccharidosis type 2 Hunter syndrome- severe form
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (iduronidate 2-sulfatase) needed to break it down....more »
    442. Mucopolysaccharidosis type 6
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (Arylsulfatase ?) needed to break it down....more »
    443. Mucopolysaccharidosis type I Hurler syndrome
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (?-L-diuronidase) needed to break it down. There are three main sub-types...more »
    444. Mucopolysaccharidosis type I Hurler-Scheie syndrome
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (?-L-diuronidase) needed to break it down....more »
    445. Mucopolysaccharidosis type I Scheie syndrome
     A rare inherited biochemical disorder characterized by the accumulation of mucopolysaccharides (glycosaminoglycans) in various body tissues due to insufficient amounts of the enzyme (?-L-iduronidase) needed to break it down....more »
    446. Multiple Sclerosis
     Autoimmune attack on spinal nerves causing diverse and varying neural problems....more »
    447. Multiple Sclerosis, Susceptibility To, 1
     Multiple sclerosis is a nerve or spinal cord disease that causes random damage to parts of the nervous system. The result is a diverse range of possible symptoms depending on which parts of the cord are damaged, and how often the inflammation reoccurs. Ty...more »
    448. Multiple Sclerosis, Susceptibility To, 2
     Multiple sclerosis is a nerve or spinal cord disease that causes random damage to parts of the nervous system. The result is a diverse range of possible symptoms depending on which parts of the cord are damaged, and how often the inflammation reoccurs. Ty...more »
    449. Multiple Sclerosis, Susceptibility To, 3
     Multiple sclerosis is a nerve or spinal cord disease that causes random damage to parts of the nervous system. The result is a diverse range of possible symptoms depending on which parts of the cord are damaged, and how often the inflammation reoccurs. Ty...more »
    450. Multiple Sclerosis, Susceptibility To, 4
     Multiple sclerosis is a nerve or spinal cord disease that causes random damage to parts of the nervous system. The result is a diverse range of possible symptoms depending on which parts of the cord are damaged, and how often the inflammation reoccurs. Ty...more »
    451. Multiple epiphyseal dysplasia
     A rare genetic disorder characterized by short stature and limb, joint and hip abnormalities which become evident from two to 10 years....more »
    452. Multiple system atrophy (MSA) with orthostatic hypotension
     A progressive neurological disorder involving the central and autonomic nervous system....more »
    453. Muscle Hypertonia
     Abnormally increased muscle tone. The condition can be caused by overactive reflexes (spasticity), constant muscle contractions or upper motor neuron damage....more »
    454. Muscle phosphoglycerate kinase deficiency
     An inherited genetic muscle disease where an enzyme deficiency (phosphoglycerate kinase) affects the normal processes that convert carbohydrates from food into energy....more »
    455. Myhre Syndrome
     A very rare inherited disorder characterized by retarded growth, mental retardation, bone abnormalities and distinctive facial features....more »
    456. Myhre-Ruvalcaba-Graham syndrome
     A rare disorder characterized by mental retardation, retarded growth before and after birth, early-onset deafness and facial anomalies as well as other problems....more »
    457. Myokymia
     Involuntary muscle movement, causing a rippling appearance in the skin....more »
    458. Myotonic Dystrophy
     An inherited disorder characterized by progressive muscle weakness and wasting as well as eye defects, heart abnormalities and other anomalies. The severity of the condition is greatly variable. There are two type of myotonic dystrophy with type 1 being m...more »
    459. N syndrome
     A rare genetic disorder characterized by mental and physical retardation, eye abnormalities, retarded growth, hearing impairment and a high risk of developing cancers, particularly leukemia. It is an extremely rare condition originally described in two br...more »
    460. Naegleria
     Rare bacterial infection from contaminated water...more »
    461. Nail-Patella Syndrome
     A rare inherited disorder characterized by small or absent kneecap and ridged and/or absent nails as well as other abnormalities...more »
    462. Nakajo-Nishimura syndrome
     A rare disorder involving muscle degeneration, loss of skin fat and impaired immune functioning....more »
    463. Nathalie syndrome
     A very rare condition described in four children of one family. The condition is characterized by wasting of the spine muscles, abnormal heart electrical activity, cataracts, hypogonadism and hearing impairment....more »
    464. Neck Arthritis
     Degenerative arthritic changes in the neck causing pain and loss of function; may be due to age-related degenerative change (osteoarthritis) or due to autoimmune disease (rheumatoid arthritis)...more »
    465. Negative rheumatoid factor polyarthritis
     A form of rheumatoid arthritis which doesn't involves the presence of rheumatoid factor in the blood. More than one joint is involved....more »
    466. Nemaline myopathy 6
     A very rare inherited muscle disorder and is characterized by muscle weakness caused by the presence of nemaline rods in the muscle tissue which affects its function. There are at least 7 different subtypes of nemaline myopathy, each with a different gene...more »
    467. Neonatal bacterial meningitis
     Bacterial meningitis that occurs in an infant under 3 months of age. Bacterial meningitis is a bacterial brain infection....more »
    468. Nephrogenic Fibrosing Dermopathy
     A rare disorder characterized by thickening and hardening of the skin as well as other symptoms. The course of the disease may be mild or aggressive and occurs in patients with underlying disorders kidney disease....more »
    469. Nerve sheath neoplasm
     Tumors that develop from the protective sheath surrounding nerves. There are two types of nerve sheath tumors: schwannomas and neurofibromas. They most often occur around the spinal cord. Symptoms are determined by the size and exact location of the tumor...more »
    470. Neurosyphilis -- tabes dorsalis
     A complication of untreated syphilis where the infection invades the spinal cord and progressively impairs muscle function and nerve damage may also occur. This form of the condition is progressive and life-threatening....more »
    471. Niemann-Pick disease, type C1
     Niemann-Pick disease is an inherited metabolic disorder where lipids are not able to be metabolized adequately and hence build up and cause damage in various parts of the body such as the spleen, liver, lungs, bone marrow and brain. The different types of...more »
    472. Niemann-Pick disease, type C2
     Niemann-Pick disease is an inherited metabolic disorder where lipids are not able to be metabolized adequately and hence build up and cause damage in various parts of the body such as the spleen, liver, lungs, bone marrow and brain. The different types of...more »
    473. Niemann-Pick disease, type D
     Niemann-Pick disease is an inherited metabolic disorder where lipids are not able to be metabolized adequately and hence build up and cause damage in various parts of the body such as the spleen, liver, lungs, bone marrow and brain. Type D is no longer a ...more »
    474. Night blindness -- skeletal anomalies -- unusual facies
     A very rare syndrome characterized mainly by night blindness, a distinctive face and skeletal abnormalities....more »
    475. Nyssen-Van Bogaert syndrome
     An adult 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 brain....more »
    476. Oculo cerebro acral syndrome
     A very rare syndrome characterized mainly by eye, brain, ear and limb abnormalities....more »
    477. Oculocerebral hypopigmentation syndrome, type Preus
     A very rare syndrome characterized mainly by eye, brain and pigmentation abnormalities....more »
    478. Olecranon bursitis
     Inflammation of the fluid-filled sac at the pointy end of the elbow. The inflammation can result from trauma to the elbow, infection or chronic injury which can result from frequently resting on the elbows....more »
    479. Olivopontocerebellar Atrophy
     A group of diseases progressive degeneration occurs in a particular area of the brain (olivopontocerebellar area) which results in various neurological symptoms....more »
    480. Omodysplasia type 1
     A very rare syndrome characterized mainly by extremely short stature due to short bones in the arms and legs....more »
    481. Organic acidemia
     High blood levels of organic acids which is caused by abnormal protein metabolism. Maple syrup urine disease and propionic academia are examples of organic acidemias. Deficiency of certain metabolic enzymes one of the main causes of organic academia....more »
    482. Osteitis
     Inflammation of the bone....more »
    483. Osteoarthritis
     Osteoarthritis is a chronic condition characterised by mechanical disrturbances due to degradation of joints. It is the most common form of arthritis, and the leading cause of chronic disability....more »
    484. Osteoarthritis Susceptibility
     Osteoarthritis refers to degeneration of the joints which causes symptoms such as joint pain and stiffness. Researchers have discovered a number of genes linked to an increased risk of developing osteoarthritis. Genetic forms of osteoarthritis tend to hav...more »
    485. Osteoarthritis Susceptibility 1
     Osteoarthritis refers to degeneration of the joints which causes symptoms such as joint pain and stiffness. Researchers have discovered a number of genes linked to an increased risk of developing osteoarthritis. Genetic forms of osteoarthritis tend to hav...more »
    486. Osteoarthritis Susceptibility 2
     Osteoarthritis refers to degeneration of the joints which causes symptoms such as joint pain and stiffness. Researchers have discovered a number of genes linked to an increased risk of developing osteoarthritis. Genetic forms of osteoarthritis tend to hav...more »
    487. Osteoarthritis Susceptibility 3
     Osteoarthritis refers to degeneration of the joints which causes symptoms such as joint pain and stiffness. Researchers have discovered a number of genes linked to an increased risk of developing osteoarthritis. Genetic forms of osteoarthritis tend to hav...more »
    488. Osteoarthritis Susceptibility 4
     Osteoarthritis refers to degeneration of the joints which causes symptoms such as joint pain and stiffness. Researchers have discovered a number of genes linked to an increased risk of developing osteoarthritis. Genetic forms of osteoarthritis tend to hav...more »
    489. Osteoarthritis Susceptibility 5
     Osteoarthritis refers to degeneration of the joints which causes symptoms such as joint pain and stiffness. Researchers have discovered a number of genes linked to an increased risk of developing osteoarthritis. Genetic forms of osteoarthritis tend to hav...more »
    490. Osteoarthritis Susceptibility 6
     Osteoarthritis refers to degeneration of the joints which causes symptoms such as joint pain and stiffness. Researchers have discovered a number of genes linked to an increased risk of developing osteoarthritis. Genetic forms of osteoarthritis tend to hav...more »
    491. Osteochondritis Dissecans
     A rare condition caused by an interruption of the blood supply to section of bone in a joint which can result in a piece of bone breaking off and causing pain. The knee is most often affected but it can occur in ankles and elbows....more »
    492. Osteochondrodysplatic dwarfism -- deafness -- retinitis pigmentosa
     A rare syndrome characterized by extreme dwarfism, deafness, progressive scoliosis and retinal pigment anomalies....more »
    493. Overgrowth radial ray defect arthrogryposis
     A rare condition characterized mainly by the association of arthrogryposis, excessive growth and arm and hand defects....more »
    494. Paget's disease of bone
     A chronic, slowly progressing bone disorder where the bone is destroyed rapidly and replaced by abnormal bone which is dense and fragile....more »
    495. Palindromic rheumatism
     A rare disorder involving periodic inflammation in and around joints. Eventually, rheumatoid arthritis may develop if the condition persists....more »
    496. Pallister Killian Mosaic Syndrome
     Pallister Killian Mosaic Syndrome is 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 »
    497. Pallister Mosaic Syndrome Tetrasomy 12p
     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 »
    498. Pallister-Killian Syndrome
     A rare genetic disorder due to tetrasomy of the 12th chromosome...more »
    499. Paramyotonia congenita
     A rare inherited muscle condition where muscles are difficult to relax following contraction. The main muscles affected are in the face, neck, arms and hands. Repetition of movements makes the muscle stiffness become progressively worse. The condition is ...more »
    500. Parkinson disease 10 (PARK10)
     Type 10 Parkinson disease is linked to a genetic mutation on chromosome 1p32. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    501. Parkinson disease 11 (PARK11)
     Type 11 Parkinson disease is linked to a genetic mutation on chromosome 2q21.2. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    502. Parkinson disease 12 (PARK12)
     Type 12 Parkinson disease is linked to a genetic mutation on chromosome Xq21-q25. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    503. Parkinson disease 13 (PARK13)
     Type 13 Parkinson disease is linked to a genetic mutation on chromosome 2p12. This form of the condition tends to progress slowly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slo...more »
    504. Parkinson disease 2, autosomal recessive juvenile (PARK2)
     Type 2 Parkinson disease is juvenile form of the condition and is linked to a genetic mutation on chromosome 6q25.2-q27. The condition may be inherited in a recessive manner and symptoms tend to be milder following sleep. Parkinson's disease is a chronic,...more »
    505. Parkinson disease 3, autosomal dominant Lewy body (PARK3)
     Type 3 Parkinson disease is linked to a genetic mutation on chromosome 2p13. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    506. Parkinson disease 4, autosomal dominant Lewy body (PARK4)
     Type 4 Parkinson disease is linked to a genetic mutation on chromosome 4q21. This form of the condition tends to start around the age of 45 years and progresses rapidly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characteri...more »
    507. Parkinson disease 5 (PARK5)
     Type 5 Parkinson disease is linked to a genetic mutation on chromosome 4p14. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    508. Parkinson disease 6, autosomal recessive early-onset (PARK6)
     Type 6 Parkinson disease is an early-onset form of the condition and is linked to a genetic mutation on the PINK1 gene on chromosome 1p36. The condition may be inherited in a recessive manner and symptoms tend to fluctuate during the day. Parkinson's dise...more »
    509. Parkinson disease 7, autosomal recessive early-onset (PARK7)
     Type 7 Parkinson disease is linked to a genetic mutation in the DJ1 gene on chromosome 1p36. This form of the condition tends to start before the age of 40 years and progresses slowly. Parkinson's disease is a chronic, progressive, degenerative brain diso...more »
    510. Parkinson disease 8 (PARK8)
     Type 8 Parkinson disease is linked to a genetic mutation on chromosome 1p32. This form of the condition tends to progress slowly. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slow...more »
    511. Parkinson disease 9 (PARK9)
     Type 9 Parkinson disease is linked to a mutation in the ATP13A2 gene on chromosome 1p36. This condition progresses rapidly and usually starts during the second decade of life. Dementia, eye movement problems and wasting of the brain tissue occur in additi...more »
    512. Parkinson disease, familial, type 1 (PARK1)
     Type 1 familial Parkinson disease is linked to a genetic mutation on chromosome 4q21. Parkinson's disease is a chronic, progressive, degenerative brain disorder characterized by tremors, muscle rigidity and slowed movements....more »
    513. Parkinson disease, genetic types
     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 »
    514. Pediatric AIDS
     Pediatric AIDS is an immune system disease in infants or children 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 AI...more »
    515. Pelvic dysplasia arthrogryposis of lower limbs
     A very rare syndrome characterized mainly by pelvic anomalies and joint contractures involving the legs....more »
    516. Penicillamine, D -- Teratogenic Agent
     There is evidence to indicate that exposure to Penicillamine, D 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 ex...more »
    517. Peptidic growth factors deficiency
     A very rare syndrome characterized mainly by diabetes, skin abnormalities, small jaw and muscle contractures....more »
    518. Perinatal-lethal Gaucher disease
     A disorder caused by a deficiency of an enzyme called glucocerebrosidase. The foetal form is one of several forms of Gaucher disease and is the rarest. The fetal form causes death before birth or soon after....more »
    519. Perisylvian syndrome
     A very rare nerve disorder characterized by weakness or paralysis of face, jaw tongue and throat muscles. Other symptoms include seizures, delayed development and mental retardation....more »
    520. Pfeiffer-Palm-Teller syndrome
     A rare disorder characterized by facial peculiarities, defective tooth enamel and progressive joint stiffness....more »
    521. Phenylketonuria -- Teratogenic Agent
     There is strong evidence to indicate that the development of Phenylketonuria 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 »
    522. Phenytoin -- Teratogenic Agent
     There is evidence to indicate that exposure to Phenytoin during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure ...more »
    523. Phocomelia -- contractures -- absent thumb
     A very rare syndrome characterized mainly by absent thumbs, contractures and missing arm and leg bones....more »
    524. Phosphoglycerate Kinase Deficiency
     A condition which is characterized by a deficiency in the enzyme phosphoglycerate kinase...more »
    525. Phosphoserine aminotransferase deficiency
     A recessively inherited enzyme (phosphoserine aminotransferase) deficiency which manifests as uncontrollable seizures, psychomotor retardation, small head and increased muscle tone. Treatment from birth can prevent early death and allow a relatively norma...more »
    526. Plica Syndrome
     Knee inflammation usually triggered by overuse or injury....more »
    527. Pneumococcal meningitis
     Pneumococcal meningitis is an inflammation or infection of the membranes covering the brain and spinal cord caused by Streptococcus pneumoniae (also called pneumococcus)....more »
    528. Pneumonia
     Infection of the lung by bacteria, viruses or fungus....more »
    529. Pneumonia, Aspiration
     Inflammation of the lungs and bronchioles caused by breathing in liquids and solids (usually the stomach contents)....more »
    530. Pneumonia, Bacterial
     Inflammation of the lungs and bronchioles caused by bacteria....more »
    531. Pneumonia, Staphylococcal
     Inflammation of the lungs and bronchioles caused by the Staphylococcal bacteria. The condition is not common and often occurs as a complication of influenza or other viral respiratory infections. This form of pneumonia is considered serious and up to a th...more »
    532. Pneumonia, Viral
     Inflammation of the lungs and bronchioles caused by a virus....more »
    533. Podder-Tolmie syndrome
     A rare syndrome characterized mainly by arthrogryposis, underdeveloped thumbs and meningoencephalocele....more »
    534. Polio
     Dangerous virus now rare due to vaccination....more »
    535. Polyarthritis, rheumatic factor-negative
     A form of rheumatoid arthritis which doesn't involves the presence of rheumatoid factor in the blood. More than one joint is involved....more »
    536. Polychondritis
     A serious, progressive, episodic condition characterized by inflammation and degeneration of cartilage in the body. The duration and severity of the episodes can vary....more »
    537. Polymicrogyria, Bilateral Frontoparietal
     Polymicrogyria refers to abnormal brain development where the brain has abnormally smooth gyri (convolutions) on the surface of the brain. In the bilateral frontoparietal form, both sides of the portion of the brain called the frontoparietal region are af...more »
    538. Positive rheumatoid factor polyarthritis
     A form of rheumatoid arthritis which involves the presence of rheumatoid factor in the blood. More than one joint is involved....more »
    539. Postoperative septicaemia
     When a person contracts a bacterial infection in their blood system that occurs after an operation...more »
    540. Powell-Chandra-Saal syndrome
     A very rare syndrome characterized mainly by webbed joints and heart, vertebral, ear and radial defects....more »
    541. Primary Fibromyalgia
     Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the tissues. Primary fibromyalgia is a term given to fibromyalgia that occurs for no apparent reason whereas secondary fibromyalg...more »
    542. Primary Lateral Sclerosis
     A neurological disorder involving the upper motor nerves and causing progressive muscle weakness in the extremities and facial area. This condition involves mutations in the same gene and overlapping symptoms with juvenile primary lateral sclerosis but th...more »
    543. Primary Parkinsonism
     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 »
    544. Primary amebic meningoencephalitis
     A relatively rare but serious infectious disease caused by Naegleria fowleri which is a type of free-living amoeba that can be found in warm fresh water and damp soil. The incubation period is from a few days to a week....more »
    545. Primary prostate cancer
     Prostate cancer is one of the most common cancers among males and is the second leading cause of cancer-related death in males....more »
    546. Progeria short stature pigmented nevi
     A very rare inherited disorder characterized by premature aging, short stature, and immune system deficiency. The type and severity of symptoms is variable....more »
    547. Progressive Supranuclear Palsy
     A disorder characterized by reduced motor control, dementia and eye movement problems....more »
    548. Propoxyphene -- Teratogenic Agent
     There is evidence to indicate that exposure to Propoxyphene 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 exposu...more »
    549. Proximal myotonic dystrophy
     A very rare genetic muscle disorder which is often associated with cataracts, abnormal heart rhythm and infertility. Muscle weakness tends to occur more in muscles closer to the trunk such as the neck, shoulders, hips and upper legs. Pregnancy can exacerb...more »
    550. Proximal spinal muscular atrophy
     A rare group of muscle disorders which mainly affects the muscles closest to the trunk of the body. Muscles become progressively weak and wasted due to damage to motor neurons in the spinal cord and brainstem....more »
    551. Pseudogout
     A condition which is characterized by an acute inflammatory arthropathy caused by calcium pyrophosphate crystals...more »
    552. Pseudogout, Familial
     Pseudogout is a condition characterised by painful joint swelling which can affect one or more joints. It tends to affect mainly adults and usually occurs in the knees. Familial pseudogout tends to occur with a high frequency within family groups....more »
    553. Psoriasis
     Psoriasis is an inflammatory skin condition where the defective immune system causes skin cells to grow rapidly. It affects a significant number of people. Arthritis, which can be severe, is associated with the psoriasis in up to a third of cases. Not all...more »
    554. Psoriatic Arthritis, susceptibility to
     An inflammatory condition where the defective immune system causes joint inflammation as well as skin cells to grow rapidly causing psoriasis. Not all patients who are susceptible to the condition will develop it. There are various environmental factors w...more »
    555. Psoriatic arthritis, juvenile form
     A type of arthritis associated with psoriasis in children. Psoriasis and arthritis are both inflammatory conditions with one affecting the skin and the other affecting the joints. The arthritis tends to precede the psoriasis....more »
    556. Purine nucleoside phosphorylase (PNP) deficiency
     A condition which is characterized by a deficiency of purine nucleoside phosphorylate...more »
    557. Purine nucleoside phosphorylase deficiency
     A very rare genetic disease involving an enzyme (purine nucleoside phosphorylase - PNP) deficiency which causes a buildup of toxic metabolic products which in turn impairs the development of T-cells (part of the body's immune system). The condition is cha...more »
    558. Rabies
     An infectious disease that can affect any mammal including humans and is transmitted through the saliva of an infected animal. The infectious agent is the Neurotropic lyssavirus which affects the salivary gland and also causes neurological symptoms....more »
    559. Radio digito -- facial dysplasia
     A very rare syndrome characterized mainly by abnormalities of the arm bones and facial anomalies....more »
    560. Rajab-Spranger syndrome
     A rare syndrome characterized mainly by a skin fat disorder, mental retardation and deafnes....more »
    561. Ray-Peterson-Scott syndrome
     A very rare syndrome characterized mainly by pelvic anomalies and joint contractures involving the legs....more »
    562. Recurring meningitis
     This is a form of benign, recurrent, aseptic meningitis....more »
    563. Reflex sympathetic dystrophy syndrome
     A condition characterized by pain and reduced range of motion in the shoulder and hand of the affected arm....more »
    564. Reiterís syndrome
     A form of reactive arthritis characterized by arthritis, urethritis, conjunctivitis and skin lesions....more »
    565. Repetitive Motion Disorders
     Any of various injuries caused by repetitive motion....more »
    566. Repetitive Strain Injury
     Various conditions with inflammation from repetitive movements....more »
    567. Retropharyngeal abscess
     An abscess (pus-filled cavity) in the back of the throat. Prompt treatment is needed to avoid obstruction of airways and other complications including death....more »
    568. Rheumatoid arthritis related fibromyalgia
     Rheumatoid arthritis related fibromyalgia refers to fibromyalgia that is associated with rheumatoid arthritis. Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the tissues. Rheum...more »
    569. Rhizomelic pseudopolyarthritis
     A rare condition which tends to cause muscle pain and stiffness in the neck, shoulder and hip area....more »
    570. Rhizomelic syndrome
     A very rare syndrome characterized mainly by short upper arm and thigh bones. Death frequently occurs in early childhood....more »
    571. Rib Tumor
     The presence of tumour growth in the ribs, whether due to primary malignancies e.g. leukaemic or myeloma infiltration of the bone marrow, or due to secondary bony metastases from another site e.g. lung or breast....more »
    572. Richieri Costa Guion Almeida Cohen syndrome
     A very rare syndrome characterized mainly by premature fusion of skull bones, facial anomalies and various other abnormalities....more »
    573. Riedel syndrome
     A rare condition that occurs when fibrous tissue forms in the thyroid area and progressively destroys the thyroid gland....more »
    574. Rippling muscle disease
     A rare dominantly inherited disorder involving skeletal muscle contractions which produces a visible rippling affect....more »
    575. Rippling muscle disease, 1
     A rare dominantly inherited disorder involving skeletal muscle contractions which produces a visible rippling affect. Type 1 involves a defect on chromosome 1q41....more »
    576. Rippling muscle disease, 2
     A rare dominantly inherited disorder involving skeletal muscle contractions which produces a visible rippling affect. Type 2 involves a defect on chromosome 3p25....more »
    577. Rocky Mountain spotted fever
     A bacterial disease caused by Rickettsia rickettsii and transmitted by ticks. The condition causes fever and a characteristic rash and may be fatal in severe or untreated cases....more »
    578. Rolland-Desbuquois syndrome
     A condition characterized by dwarfism, hydrocephalus, facial abnormalities and a narrow chest. Survival is possible past infancy. The condition is a less severe form of Silverman-Handmaker syndrome which is lethal....more »
    579. SAPHO syndrome
     A rare disorder involving skin (acne, pustulosis), bone (hyperostosis, osteitis) and joint problems....more »
    580. SLE related fibromyalgia
     SLE related fibromyalgia refers to fibromyalgia that is associated with systemic lupus erythematosus. Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the tissues. SLE is an auto...more »
    581. SPG
     A group of neurodegenerative disorders involving progressive spasticity and increased reflexes in the legs. The rate of progression and severity is variable depending on the subtype involved....more »
    582. Sacroilitis
     Inflammation of the sacro-iliac joint...more »
    583. Saul-Wilkes-Stevenson syndrome
     A very rare syndrome characterized mainly by muscle problems, abnormal skin pigmentation, movement disorder, mental retardation and scoliosis....more »
    584. Say-Barber-Miller syndrome
     A very rare syndrome characterized mainly by immune system problems and a small head....more »
    585. Scheie syndrome
    586. Schlegelberger-Grote syndrome
     A very rare syndrome characterized mainly by deafness, fingerlike thumbs and a blood disorder involving abnormally shaped blood platelets....more »
    587. Schofer beetz bohl syndrome
     A rare syndrome characterized mainly by brain calcification, mental retardation, short stature, diabetes insipidus and unusual facial appearance....more »
    588. Sciatica
     Sciatica is a set of symptoms including pain that may be caused by general compression and/or irritation of one of five nerve roots that give rise to the sciatic nerve, or by compression or irritation of the sciatic nerve itself....more »
    589. Scleroderma, systemic
     A rare autoimmune connective tissue disease where the body attacks parts of the body and causes scarring and thickness of the tissue. In the systemic form, the skin and organs are involved....more »
    590. Scleromyxedema
     A rare connective tissue disorder which causes the skin to become progressively thick and hard. The severity of symptoms is variable with lungs and circulation affected in some patients. The degree of resulting disability, disfigurement and response to tr...more »
    591. Secondary Fibromyalgia
     Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the tissues. Primary fibromyalgia is a term given to fibromyalgia that occurs for no apparent reason whereas secondary fibromyalg...more »
    592. Selected Encephalitides
     Selected conditions which cause inflammation of the brain...more »
    593. Septic arthritis like stiff back
     Pathology in the back which leads to restriction of movement of the back....more »
    594. Septicemia
     A systemic inflammatory response to an infection....more »
    595. Serine deficiency
     A metabolic disorder caused by a deficiency of serine which results in various abnormalities....more »
    596. Seronegative spondyloarthropathy
     Spondyloarthropathy that is negative to rheumatoid facotr...more »
    597. Serotonin Syndrome
     The toxic reaction of the body to the substance, possibly via allergic reaction or overdose....more »
    598. Short stature -- prognathism -- short femoral necks
     A very rare syndrome characterized mainly by short stature, protruding jaw and a hip anomaly....more »
    599. Shoulder Osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the shoulder joint as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in ...more »
    600. Shoulder arthritis
     Inflammation of the shoulder joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    601. Shoulder conditions
     Any condition that affects the shoulder...more »
    602. Shoulder dislocation
     Dislocation of the shoulder joint....more »
    603. Shoulder injury
     Any injury to the shoulder...more »
    604. Shoulder muscle strain
     Damage to the shoulder muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity...more »
    605. Shoulder separation
     Separation of collarbone (clavicle) and the shoulder blade (scapula)....more »
    606. Shoulder sprain
     Damage to ligaments in the shoulder....more »
    607. Silverman-Handmaker syndrome
     A condition characterized by dwarfism, hydrocephalus, facial abnormalities and a narrow chest. The condition results in death during or soon after birth and is a more severe form of Rolland-Debuquois syndrome....more »
    608. Simian B virus infection
     A type of herpesvirus which occurs in monkeys but can be transmitted to humans through bites or through contact with infected monkey tissue as in a laboratory situation. The virus infects the brain (encephalitis) and the surrounding membrane (meningitis)....more »
    609. Sinusitis
     Sinusitis is an inflammation of the paranasal sinuses....more »
    610. Skeletal dysplasia -- mental retardation
     A rare recessively inherited disorder characterized mainly by mental retardation, a small head, arthrogryposis (joint contractures), cleft palate and various other abnormalities....more »
    611. Sleep disturbance related fibromyalgia
     Sleep disturbance related fibromyalgia refers to fibromyalgia that is associated with sleep disturbance. Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the tissues....more »
    612. Slipped epiphysis
     Slippage of joint cartilage at the hip joint...more »
    613. Slowly Progressive 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 »
    614. Slowly Progressive 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 diseas...more »
    615. Slowly Progressive 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 »
    616. Slowly Progressive 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 »
    617. Slowly Progressive 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 »
    618. Slowly Progressive 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 »
    619. Spasmodic Torticollis
     It is a chronic neurological movement disorder causing the neck to involuntarily turn to the left, right, upwards, and/or downwards. The condition is also referred to as "cervical dystonia". Both agonist and antagonist muscle contract simultaneously durin...more »
    620. Spastic Paraplegia 42, Autosomal Dominant
     A rare disorder characterized mainly by muscle wasting and weakness in the legs....more »
    621. Spastic disorders
     Brain disorders leading to sustained spasms, stiffness and rigidity...more »
    622. Spastic paraparesis
     A rare disorder where parts of the body develop spasticity and weakness. Usually the limbs are involved. The disorder is usually an inherited condition....more »
    623. Spastic paraplegia -- neuropathy -- poikiloderma
     A very rare syndrome characterized mainly by progressive stiffness and weakness of the legs, peripheral nerve degeneration and a skin disorder called poikiloderma. The eyelashes and eyebrows are usually gone by the age of three....more »
    624. Spasticity -- multiple exostoses
     A very rare syndrome characterized by stiff legs and numerous bone outgrowths....more »
    625. Spherophakia brachymorphia syndrome
     A rare genetic disorder characterized by short stature, and craniofacial, eye, tooth and limb abnormalities....more »
    626. Spinal Arthritis
     Inflammation of the spine joints. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    627. Spinal Cord Disorders
     Any condition that affects the spinal cord...more »
    628. Spinal Cord Tumor
     Cancer of the spinal cord or central nervous system....more »
    629. Spinal conditions
     Any condition that affects the spine...more »
    630. Spinal fracture
     A fracture of one or multiple bony vertebrae...more »
    631. Spine osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the spine as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all cases...more »
    632. Spira syndrome
     Chronic fluoride intoxication that can occur from flouridated water as well as exposure to vapors or dusts from various industries, agricultures or mines. The main symptoms are teeth anomalies and gastrointestinal symptoms....more »
    633. Spondylarthritis
     Inflammation of one or more spine joints....more »
    634. Spondylarthropathy
     Refers to a family of related inflammatory disorders that affect the sacroiliac joints, the spine and, less commonly, peripheral joints....more »
    635. Spondyloepiphyseal dysplasia tarda
     A rare genetic disorder characterized by short stature and skeletal abnormalities which are usually not apparent before 12 years....more »
    636. Spondyloepiphyseal dysplasia tarda, autosomal dominant
     A rare genetic disorder where abnormal bone development primarily involves the spine and epiphyses (end of long bones where growth occurs)....more »
    637. Spondyloepiphyseal dysplasia, congenita
     A rare genetic bone growth disorder characterized by prenatal growth deficiency, myopia and short trunk....more »
    638. Spondylometaphyseal dysplasia, Kozlowski type
     A rare genetic disorder characterized by reduced calcification of the spine and pelvis resulting in short stature....more »
    639. Spondylosis
     Spinal degeneration of the discs or spinal joints...more »
    640. Sports Injuries
     Any condition that has resulted from injury to a part of the body due to participation in a sporting activity...more »
    641. Spranger-Schinzel-Myers syndrome
     A very rare syndrome characterized by brain malformation, underdeveloped fingers and bone abnormalities. It is believed to be possibly caused by exposure to ergotamine and diazoxide which may be teratogenic....more »
    642. Startle epilepsy
     A form of epilepsy which is triggered by hearing a sudden unexpected stimulus such as a sudden sound. The seizures usually last less than 30 seconds and can occur numerous times during the day. The seizure involves a startle response followed by stiffenin...more »
    643. Stiff skin syndrome
     A rare inherited disorder characterized mainly by very stiff, thick skin that can affect the ability to move joints....more »
    644. Stiff-Person Syndrome
     A very rare progressive neurological disorder involving muscle tightness and painful muscle spasms....more »
    645. Stiffness
    646. Still's Disease, Adult-Onset
     A form of arthritic inflammation characterized by fever, rash and joint pain that occurs in adults. The cause is unknown....more »
    647. Strain
     Muscle or tendon injury; compare sprain...more »
    648. Stress
     Emotional stress (sometimes refers to physical stress)...more »
    649. Stroke
     Serious brain event from bleeding or blood clots....more »
    650. Subacromial bursitis
     Inflammation of a pouch of synovial fluid which is located in the shoulder. It is most often caused by some sort of trauma or overuse of the shoulder. It is difficult to distinguish between subacromial bursitis and rotator cuff injury....more »
    651. Subarachnoid haemorrhage
     A condition which is characterized by haemorrhage of blood into the subarachnoid space...more »
    652. Subarachnoid hemorrhage
     Brain bleeding in the subarachnoid area...more »
    653. Subdural hematoma
     Type of bleeding in the brain...more »
    654. Sydenham chorea
     Brain disease causing involuntary movements or spasms....more »
    655. Synovial osteochondromatosis
     A rare joint disorder where some of the tissue that lines the joint is replaced by bone-like tissue or cartilage. Usually only one joint is affected and it tends to be the knee, elbow or hip...more »
    656. Syphilis -- Teratogenic Agent
     There is strong evidence to indicate that the development of Syphilis during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the stage...more »
    657. Syphilitic aseptic meningitis
     A chronic syphilis infection which affects the nervous system....more »
    658. Syringomyelia
     Spinal cord cysts...more »
    659. Syringomyelia, cervical lesion
     A slowly-progressing neurological disorder characterized by a fulid-filled cavity in the spinal cord in the neck region....more »
    660. Systemic Juvenile Rheumatoid Arthritis
     Onset of JRA with fevers and systemic symptoms...more »
    661. Temporal arteritis
     Inflamed head artery causing headache....more »
    662. Temporo-mandibular ankylosis
     A disorder involving stiffness or fusion of the jaw joint which affects the ability of the jaw to open and close normally. The condition may occur congenitally or may be acquired through such things as trauma....more »
    663. Tension headache
     Tension-type headaches can be episodic or chronic.Episodic tension-type headaches are defined as tension-type headaches occurring fewer than 15 days a month, whereas chronic tension headaches occur 15 days or more a month for at least 6 months. Tension-ty...more »
    664. Tension myositis related fibromyalgia
     Tension myositis related fibromyalgia refers to fibromyalgia that is associated with tension myositis. Fibromyalgia is a chronic condition characterized mainly by pain mainly in the muscles which involves no associated damage to the tissues. Tension myosi...more »
    665. Tetanus
     A disease caused by chemicals which are produced by a bacterium (clostridium tetani) and are toxic to the nerves. The infection usually occurs when the bacteria enter the body through a deep wound - these bacteria are anaerobic and hence don't need oxygen...more »
    666. Thigh conditions
     Any condition that affects the thigh...more »
    667. Thigh injury
     Any injury to the thigh...more »
    668. Thigh muscle strain
     Damage to the thigh muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severity of...more »
    669. Thyroid disorders
     Any disorder of the thyroid gland....more »
    670. Thyroiditis
     Thyroid gland inflammation...more »
    671. Tick-borne encephalitis
     A viral infection (flavivirdae) of the central nervous system which is transmitted by ticks. Ticks usually feed on small rodents who are the main carriers of the virus. Transmission may also occur through the consumption of untreated milk. The incubation ...more »
    672. Toe Arthritis
     Inflammation of the toe joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    673. Toe Osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the toe joints as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all ...more »
    674. Togaviridae disease
     Infection with any of a number of togaviridae viruses which can caused conditions such as Equine encephalitis, Ross River virus and Rubella virus. Symptoms are determined by the type of virus involved. Togaviridae are arboviruses and are transmitted by ar...more »
    675. Tonic seizure
     Abnormal electrical activity in a part of the brain which results mainly in muscle stiffness and rigidity. Tonic seizures are considered relatively uncommon. They can occur at any age but are more common in childhood. Patients with Lennox-Gastaut syndrome...more »
    676. Tonic-Clonic seizure
     Abnormal electrical activity in the brain which results in stiffening and rigidity of muscles (tonic phase) followed by rhythmic jerking motions (clonic phase). The tonic phase tends to last less than half a minute and the clonic phase usually lasts a cou...more »
    677. Torticollis
     Twisted neck...more »
    678. Traumatic Brain Injury
     Brain injury from trauma or accident....more »
    679. Tricep muscle strain
     Damage to the tricep muscle in the arm due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the...more »
    680. Trichinosis
     Worm infection usually caught from pigs...more »
    681. Trisomy 6 mosaicism
     A very rare chromosomal disorder where there is an extra copy of chromosome 6 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 »
    682. Trochanteric bursitis
     Inflammation of the trochanteric bursa which is a pouch of synovial fluid which is located in the hip. The inflammation is most often due to overuse and excessive pressure but may also result from injury or rheumatoid arthritis....more »
    683. Tuberculosis
     Bacterial infection causing nodules forming, most commonly in the lung....more »
    684. Tuberculous meningitis
     Tuberculous meningitis is an infection of the membranes covering the brain and spinal cord caused by Koch's bacillus....more »
    685. Unusual facies, short stature, enamel hypoplasia, stiff joints and high-pitched voice
     A rare syndrome characterized mainly by short stature, stiff joints, unusual facial appearance, high-pitched voice and underdeveloped tooth enamel....more »
    686. Upper arm muscle strain
     Damage to the upper arm muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severit...more »
    687. Upper back muscle strain
     Damage to the upper back muscle due to over-stretching of the muscle tissue. The damage involves tearing the muscle tissue. Small blood vessels may also be damaged which can cause bruising. The symptoms may vary from mild to severe depending on the severi...more »
    688. Upper motor neuron weakness
     Muscle weakness caused by neurological problems....more »
    689. Urban Roger Meyer syndrome
     A syndrome which is characterised by genital anomalies, mental retardation, and obesity...more »
    690. Vacinko syndrome
     A psychological disorder observed in Oglala Sioux Indians. The symptoms are variable....more »
    691. Viral meningitis
     Viral meningitis refers to meningitis caused by a viral infection...more »
    692. Waterhouse-Friederichsen syndrome
     A rare syndrome that occurs as complication of septicemia (often due to meningococcal or pneumococcal infection) and involves blood coagulation in blood vessels, adrenal gland hemorrhages and ultimately kidney failure....more »
    693. Weaver Syndrome
     A syndrome that is considered a variant of the Marshall-Smith syndrome...more »
    694. Wernicke-Korsakoff syndrome
     A rare degenerative brain disorder caused by thiamine (Vitamin B1) deficiency. Chronic alcoholics are prone to this condition....more »
    695. West Nile fever
     Mosquito-borne infectious virus....more »
    696. West nile encephalitis
     A virus that is of the Flavivirus genus that causes the condition West Nile encephalitis...more »
    697. Western equine encephalitis
     An infectious disease caused by an arbovirus (Alphavirus - Togaviraidae) and transmitted by infected mosquitoes. The infection primarily attacks that central nervous system and severity can range from asymptomatic to severe complications and even death in...more »
    698. Western/Eastern/California encephalitis
     A mosquito born virus transmitted to humans and sometimes horses....more »
    699. Whiplash
     Neck injury often from a car accident....more »
    700. Whiplash Injuries
     An injury to the neck when the neck is rapidly forced backward and then forwards or vice versa. It most commonly occurs in vehicle accidents when the vehicle is stopped abruptly or pushed forwards suddenly....more »
    701. Whistling face syndrome, recessive form
     A rare, recessively inherited syndrome characterized mainly by a characteristic "whistling" face and hand anomalies. The range of symptoms are variable....more »
    702. Wrist Arthritis
     Inflammation of the wrist joint. The inflammation can be the result of such things as degenerative joint disease, gout, infection, trauma and autoimmune conditions....more »
    703. Wrist conditions
     Any condition that affects an individuals wrist...more »
    704. Wrist fracture
     A condition that is characterised by the fracture of one of the bones that comprise the wrist...more »
    705. Wrist injury
     A condition that is characterised by an injury to the wrist...more »
    706. Wrist osteoarthritis
     A form of arthritis where the cartilage which cushions the bones in the wrist joint as they move against each other, becomes progressively degraded and damaged. This causes problems such as pain, stiffness and impaired movement. Pain is not present in all...more »
    707. Young McKeever Squier syndrome
     A condition that affects the olivopontocerebellum and the cerebellar cortex of the brain...more »
    708. Zellweger Syndrome
     Zellweger spectrum disorders are a group of rare, genetic, multisystem disorders that were once thought to be separate entities. These disorders are now classified as different expressions (variants) of one disease process. Collectively, they form a spect...more »

    Show All 708 Causes
    | Start Again

More Searches: Acute nausea and vomiting in children

Research Deeper: More About These Symptoms

Causes of General Symptom Types

Research the causes of this symptom in broader categories:

Research the causes of related medical symptoms such as:

Broaden Your Search: Remove a Symptom


Start Again with New Symptoms »

Notes About Causes

  • Warning - Beta version - information may be incorrect (details)
  • Disclaimer - Do not use this information for diagnosis (details)
  • Important - See your doctor - Only a doctor can give an accurate diagnosis (details)
 

By using this site you agree to our Terms of Use. Information provided on this site is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information on this site is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. Please see our Terms of Use.

Home | Symptoms | Diseases | Diagnosis | Videos | Tools | Forum | About Us | Terms of Use | Privacy Policy | Site Map | Advertise