Chorea in Huntington’s Disease
Understanding Chorea in Huntington's Disease
Chorea is known to be the most visible symptom in Huntington's Disease (HD). Huntington's Disease is a genetic disorder which affects the brain. Nine out of ten people with HD will develop chorea at some point as their illness progresses.
Symptoms of Chorea in Huntington's Disease
Chorea in HD causes involuntary movements (brief, abrupt, irregular, and unpredictable). The patient will often appear as fidgety.
Diagnosing Chorea in Huntington's Disease
Diagnosis for Chorea in HD is genetic testing for HD. It identifies a gene abnormality in the short arm of chromosome 4.
Treating Chorea in Huntington's Disease
Tetrabenazine (e.g., XENAZINE®) is an FDA-approved drug used to treat the involuntary movements (chorea) of Huntington's disease. Tetrabenazine does not treat other symptoms of Huntington's disease.
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