Risperidone, a benzisoxazole compound, was the first of the new antipsychotic drugs to be introduced. Persistent abnormal movements such as tardive dyskinesia and dystonia are not common side effects associated with risperidone therapy. The low rate of emergent persistent dyskinesia in the geriatric population while on risperidone suggests that it is probably associated with a very low incidence of tardive movements in younger patients.[1] Here, we report a series of four cases with risperidone-induced tardive dyskinesia and dystonia and discuss their management
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