Unusual compulsive motor activity during treatment with clothiapine in a mentally retarded adolesent

Atypical antipsychotic agents, specifically those with a high hyposerotonergic activity such as clozapine and clothiapine, have been associated with de novo obsessive–compulsive symptoms. We report the case of a 16-year-old adolescent male with severe mental impairment and disruptive behaviour who developed a compulsive head and body turning disorder on clothiapine. Such a symptom had to be distinguished from epileptic partial seizures; it promptly disappeared with the drug discontinuation.

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