This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'A patient diagnosed with schizophrenia came with acute exacerbation of symptoms. Inj.Haloperidol was administered in the casuality and suddenly the patient had deviation of eye balls and torticollis. What is the diagnosis? \nSelect and explain. \nA. Akathisia, B. Acute dystonia, C. Malignant hyperthermia, D. Drug induced parkinsonism', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Acute dystonia is the earliest side effect seen immediately after the administration of antipsychotics. Acute dystonia is treated using anticholinergics like Benztropine, Promethazine.', 'role': 'assistant'}]