![]() Patients and carers find these reactions alarming. ![]() The manifestations of acute dystonia can appear alone, or in any combination (Table 1). ![]() Younger men are at higher risk of acute extra pyramidal symptoms.Īlthough there are case reports of oculogyric crises from other classes of drugs, including H 2 antagonists, erythromycin and antihistamines, the majority of patients will have received an antiemetic or an antipsychotic drug. 1 Up to 33% of acutely psychotic patients will have some sort of drug-induced movement disorder within the first few days of treatment with a typical antipsychotic drug. They occur in 0.5% to 1% of patients given metoclopramide or prochlorperazine. Drug-induced acute dystonic reactions are a common presentation to the emergency department.
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