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
Drugs used in Heroin withdrawl are A/E 
Select and explain. 
A. Buprenorphine, B. Clonidine, C. Dextropropoxyphene, D. Haloperidol
D: Haloperidol
Answer: D: Haloperidol 
Explanation: D i.e. Haloperidol