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
All are anticraving agent for alcohol except ? 
Select and explain. 
A. Lorazepam, B. Naltrexone, C. Topiramate, D. Acamprosate
A: Lorazepam
Answer: A: Lorazepam 
Explanation: Ans. is 'a' i.e., Lorazepam Treatment of alcohol dependence Detoxification (treatment of withdrawal) :- BZDs are the drugs of choice, e.g. chlordiazepoxide (131 choice), Diazepam (2"d choice). Maintenance after detoxification (to prevent relapse and maintenance of abstinence) :? Aversive agents (deferent agents) :- Disulfiram, CCC, metronidazole, Natrafezole. Anticraving agent :- Naltrexone, Acamprosate, fluoxetine, Topiramate, Nalmefene.