This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Opioids, Subject name: Pharmacology
A person consumes large quantities of alcohol daily since 20 years. He is physically dependent on alcohol. Drug that should not be given to this person is: 
Select and explain. 
A. Disulfiram, B. Acamprosate, C. Naltrexone, D. Chlordiazepoxide
A: Disulfiram
Answer: A: Disulfiram 
Explanation: Ans. (A) Disulfiram(Ref KDT 8/e p422)The aim of treatment in alcohol dependence is to prevent withdrawal symptoms first and to avoid relapse thereafter.Drugs to reduce craving are:N - NaltrexoneO - OndansetronT - TopiramateA - AcamprosateDisulfiram is used in psychological dependent persons who are motivated to quit alcohol. It is contra-indicated in physically dependent persons.