Catatonia as a risk factor for the development of neuroleptic malignant syndrome: report of a case following treatment with clozapine

Thomas Paparrigopoulos, Elias Tzavellas, Panagiotis Ferentinos, Iraklis Mourikis, John Liappas
World Journal of Biological Psychiatry 2009, 10 (1): 70-3
Catatonia is characterized by the predominance of psychomotor abnormalities and shares many clinical, biological and treatment response features with the neuroleptic malignant syndrome (NMS), a rare adverse reaction to psychoactive medications. It has been advocated that the two conditions should be placed along the same spectrum of disorders. A case of a 49-year-old woman, who developed NMS while on low dose clozapine soon after recovering from catatonia, is presented. The potential relationship between catatonia and NMS is discussed in the light of the existing literature, and attention is drawn to the risk for clozapine-induced NMS in catatonic patients.

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