Dystonia refers to sustained, involuntary contractions of muscle groups, resulting into abnormal postures, and is often associated with pain and disability. There are several underlying causes of dystonia, in which case, they are referred to as secondary dystonia. When no obvious cause is identified, it is referred to as primary dystonia. In this video, we can see an adolescent with dystonia, predominantly affecting left-sided limbs (more than right side), who also had facial dystonia. Child had a history of viral encephalitis (brain fever caused by virus) in the past.

Published by Dr Sudhir Kumar MD (Medicine) DM (Neurology)

I am a doctor with 25 years experience. I have worked as a neurologist for about 20 years. Educating public and healthcare professionals is very dear to me. This is possible due to my interactions with thousands of patients and their caregivers. I salute the patients who suffer and it is our duty to minimise suffering by preventing diseases and ensuring prompt diagnosis and treatment of those already affected.

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