The leaflets in this section are authored by an experienced pharmacist. Pharmacists are experts in medicines. The medicines in this section include those which are used to help people stop a harmful, problematic habit such as smoking or drinking. They include treatments used to help people when they are stopping harmful drinking, or helping people stay away from opiate drugs, like methadone. You may be helping a friend or family member overcome their problem and have thought "Who shouldn't take disulfiram?", "How should you take naltrexone?", "How do you get the most from buprenorphine treatment?" or "What problems can bupropion cause?", or just want to know for yourself. The information leaflets in this section will have answers for you.