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': 'All are an anti-craving agent for alcohol except - \nSelect and explain. \nA. Lorazepam, B. Naltrexone, C. Topiramate, D. Acamprosate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Treatment of alcohol dependence\n\nDetoxification (treatment of withdrawal) BZDs are the drugs of choice, e.g.\xa0chlordiazepoxide (1st\xa0choice), Diazepam (2"d\xa0choice).\nMaintenance after detoxification (to prevent relapse and maintenance of abstinence):-\n\n\nAversive agents (deferent agents):-\xa0Disulfiram, CCC, metronidazole, Natrafezole.\nAnticraving agent:- Naltrexone, Acamprosate,\xa0fluoxetine,\xa0Topiramate,\xa0Nalmefene.', 'role': 'assistant'}]