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We studied the effect of olanzapine(1 to 15 mg/d)in 15 nondemented parkinsonian patients with drug-induced psychosis.Psychotic symptoms decreased significantly during treatment and there was no worsening of extrapyramidal symptoms.These results suggest that olanzapine is a well- tolerated and effective treatment for drug-induced psychosis in nondemented patients with Parkinson's disease. |
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