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15138 Psychiatry

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

ADrug overdose
BNeuroleptic malignant syndrome
CDrug induced Parkinsonism
DTardive dyskinesia
Psychiatry
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