Key information

Appropriate Tests

Abnormal involuntary movement disorder. May be post infectious, or genetically based.

Streptococcal serology, IgG Cardiolipin Ab, Antinuclear Ab and Antistreptolysin O titre.

Genetic screening for individual diseases (Molecular genetics - microbial).

Huntington disease


Sydenham's chorea


Chorea gravidarum


Chorea may also be caused by drugs (levodopa, anti-convulsants, anti-psychotics), metabolic disorders, endocrine disorders, and stroke.


Wilson's disease


Transmissible spongiform encephalopathies: A group of neurodegenerative diseases such as Creutzfeldt Jakob disease and Kuru, caused by prions.




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