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': 'Drugs used in Heroin withdrawl are A/E \nSelect and explain. \nA. Buprenorphine, B. Clonidine, C. Dextropropoxyphene, D. Haloperidol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Haloperidol', 'role': 'assistant'}]