Tardive Dyskinesia Associated With Olanzapine Monotherapy

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Letter to the Editor

Sir: Olanzapine is an atypical antipsychotic agent with lower potential than the older agents to cause extrapyramidal symptoms, including tardive dyskinesia. Some reports indicate that tardive dyskinesia can improve with olanzapine therapy. The present case report of the occurrence of tardive dyskinesia in a young male patient after about 5 years of olanzapine monotherapy may alert physicians to be vigilant to detect tardive dyskinesia in patients taking atypical antipsychotic drugs.

J Clin Psychiatry 1999;60(12):870