Abstract

A 7-year-old child with spastic cerebral palsy and a seizure disorder developed Tourette-like symptoms during therapy with phenobarbital. These symptoms occurred while phenobarbital blood levels were in the therapeutic range. Known causes of movement disorders were eliminated after evaluation. On repeat challenge with phenobarbital, the symptoms recurred. Phenobarbital should be added to the list of drugs that cause Tourette-like symptoms.

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