Most of these side effects don't happen very often. If you get any of these side effects, tell your doctor. He or she may change your treatment or suggest ways you can deal with the side effect. You and your doctor have to decide this. Most people take the medicine for 12 weeks or more.
Naltrexone only has to be taken once a day.
Be sure to take naltrexone just the way your doctor tells you to. Don't take extra pills, don't skip pills and don't stop taking the pills until you talk to your doctor. Like many other diseases, alcoholism is both a physical and a mental problem. Both your body and your mind have to be treated. These treatments can help you change your behavior and cope with your problems without using alcohol.