Dyskinesia With Fluoxetine: Tardive or Late-Onset Persistent, Acute Norfluoxetine Dyskinesia?

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Letter to the Editor

Sir: N. H. Sandler, M.D. (February 1996 issue), reported a fascinating fluoxetine-related lingual dyskinesia. We wish to pose some additional considerations. While these lingual movements may represent tardive dyskinesia (TD), Schooler and Kane described properties of TD not reported in this case: masking of TD with dyskinetogenic drug dose increases, rebound worsening with dose reductions, and the necessity of excluding other dyskinesia etiologies.

J Clin Psychiatry 1997;58(2):85 [letter]