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51972 Psychiatry

A 30-year-old man who was recently staed on haloperidol 30mg/day developed hyperpyrexia, muscle rigidity, akinesia, mutism, sweating, tachycardia and increased blood pressure. The investigations showed increased WBC count, increased creatinine phosphokinase. There is no history of any other drug intake or any sign of infection. The most likely diagnosis

ADrug overdose
BNeuroleptic malignant syndrome
CDrug induce Parkinsonism
DTardive dyskinesia
Psychiatry
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