Overview
It's started after alcohol withdrawal is over. It works best with counseling and support.
What it's used for
- Staying sober after stopping alcohol
How to take it
- Take it 3 times a day, with or without food. Swallow tablets whole.
- Keep taking it even if you relapse; talk with your provider.
Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.
Side effects
Common side effects
- Diarrhea
- Nausea
- Itching
Warnings
- Not for people with severe kidney disease; doses are lower with kidney problems.
Other medicines, foods, and alcohol
- Few interactions.
Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.
Pregnancy and breastfeeding
Talk with your provider.
Missed doses, overdose, and storage
If you miss a dose
Take it as soon as you remember, unless it's almost time for your next dose. Then skip the missed dose. Don't take two doses at once.
If someone takes too much
Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.
Storing it
Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.
Conditions it's used for
Sources
- DailyMed: FDA drug label for Acamprosate (U.S. National Library of Medicine)
- MedlinePlus: Drugs, herbs, and supplements
- FDA: Drugs@FDA
Last updated 2026-11-13.