Pharmacotherapy for alcohol use disorder
| Medication | Efficacy | Typical dosage | Notes |
|---|---|---|---|
| Naltrexone | Number needed to treat of 11 to prevent return to heavy drinking Number needed to treat of 18 to prevent return to any drinking | Oral: 50–100 mg daily Subcutaneous: 380 mg monthly | Generally first-line treatment given ease of dosing Contraindicated in concurrent opioid use or acute hepatitis Discuss risks and benefits in decompensated cirrhosis |
| Acamprosate | Number needed to treat of 11 to prevent return to any drinkinga | Oral: 666 mg 3 times daily | Safe in liver disease Contraindicated in severe kidney impairment |
| Disulfiram | Limited data suggest only effective when given under supervision | Oral: 250–500 mg daily | Contraindicated if any alcohol was used in preceding 12–48 hours Can cause severe reaction if alcohol is consumed up to 14 days after ingestion |
| Topiramateb | Reduced percentage of drinking days and heavy drinking days | Oral: maximum 100–150 mg twice daily | More significant side-effect profile Requires slow dose escalation Use with caution in decompensated cirrhosis |
| Gabapentinb | Limited data suggest may reduce drinking in patients with protracted withdrawal symptoms | Oral: up to 1,800 mg daily in 2 or 3 divided doses | More significant side-effect profile Risk of misuse, especially with other substance use disorders |
| Baclofenb | Variable efficacy seen in trials, likely more effective in patients already abstinent | Oral: 10–25 mg 3 times daily | Safe in hepatic impairment |
| Glucagon-like peptide 1 agonists (eg, semaglutide)b | Emerging evidence of reduced alcohol intake | Subcutaneous: weekly | Multiple ongoing trials evaluating benefit and safety Can target comorbid metabolic dysfunction–associated liver disease |