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[Risperidone-induced tardive dystonia: a case of torticollis]
1Service Hospitalo-Universitaire de Santé Mentale et Thérapeutique, Centre Hospitalier Sainte-Anne, Paris.
L'Encephale
|February 9, 1999
Abstract:
Tardive dystonia is one of the most serious adverse events of typical neuroleptic treatments. They differ from tardive dyskinesia by their clinical and evolutive features. The occurrence of tardive dystonia due to new antipsychotics remained unknown. For the first time in the literature, we report a case of typical tardive dystonia occurring in a young male schizophrenic patient treated for 8 months with risperidone. No remission was observed despite several therapeutics including botulinic toxin.