Botulinum toxin as a treatment for tardive dyskinesia

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Two older female patients with a history of psychotic depression were treated with a combination of an antipsychotic and an antidepressant. Both developed persistent tardive dyskinesia with severe tongue protrusion. Botulinum toxin was injected into the genioglossal area and the embarrassing tongue protrusion practically disappeared. Both patients chose to continue taking botulinum toxin. © 2006 Movement Disorder Society

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