Resolution of Ziprasidone-Related Tardive Dyskinesia With a Switch to Aripiprazole

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Sir: Tardive dyskinesia (TD) is a serious, potentially irreversibleside effect of antipsychotic medications. Prevalencerates of 20% with the typical antipsychotics havebeen reported.1 Although the risk is smaller, treatment withatypical antipsychotic agents still poses a risk of TD.