Diagnoses & Conditions

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.

This content is not intended to substitute professional medical advice. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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