This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
All of the following are anti-craving agents for alcohol withdrawal Except 
Select and explain. 
A. Fluoxetine, B. Nitrafezole, C. Naltrexone, D. Acamprosate
B: Nitrafezole
Answer: B: Nitrafezole 
Explanation: Nitrafezole. Disulfiram, Metronidazole and Nitrafezole are deterrents.