Treatment of Alcohol Use Disorder
Recommended Treatment Approach
The optimal treatment for alcohol use disorder requires combined pharmacotherapy (naltrexone or acamprosate) plus evidence-based behavioral therapy such as cognitive behavioral therapy (CBT), rather than either intervention alone. 1
Pharmacotherapy Selection Algorithm
For Patients WITHOUT Liver Disease:
- Prescribe naltrexone 50 mg once daily as first-line pharmacotherapy 1, 2, 3
- Naltrexone blocks opioid receptors, reducing the pleasurable effects of alcohol and controlling cravings 2
- Naltrexone reduces return-to-any-drinking by 5% and binge-drinking risk by 10% 4
- Alternative: Acamprosate 1,998 mg daily (666 mg three times daily) if naltrexone is not tolerated 1, 2
For Patients WITH Liver Disease:
- Prescribe acamprosate 1,998 mg daily (666 mg three times daily) as first-line therapy 1, 2
- Acamprosate has no reported hepatotoxicity and is safe in liver disease 1, 2
- Acamprosate modulates glutamate receptors to reduce withdrawal symptoms and cravings 2
- Alternative: Baclofen 30-60 mg daily, which has the strongest evidence among medications for alcoholic liver disease 1
- CRITICAL: Never prescribe naltrexone to patients with severe liver disease due to hepatotoxicity risk 1, 2
Medication Initiation Requirements:
- Patients must be opioid-free for minimum 7-10 days before starting naltrexone 3
- Perform naloxone challenge test if occult opioid dependence is suspected 3
- For acamprosate, initiate 3-7 days after last alcohol consumption and after withdrawal symptoms resolve 1
Treatment Duration:
- Continue pharmacotherapy for 3-6 months minimum 1, 2
- Premature discontinuation significantly reduces treatment effectiveness 1
Behavioral Interventions (MANDATORY Component)
Cognitive behavioral therapy (CBT) must be combined with pharmacotherapy - medication alone is insufficient and significantly reduces treatment effectiveness 5, 1
Evidence-Based Behavioral Options:
- CBT as first-line behavioral approach - provides training in behavioral self-control skills to achieve and maintain abstinence 5, 1
- Combined CBT plus pharmacotherapy shows superior efficacy compared to usual care plus pharmacotherapy alone 5
- Alternative evidence-based therapies include motivational enhancement therapy or contingency management, which perform equivalently to CBT when combined with pharmacotherapy 5
Brief Interventions:
- Implement FRAMES model in single 5-30 minute sessions for hazardous drinkers and mild AUD 1
- FRAMES includes: individualized Feedback, advice on Reducing consumption, Assessment of willingness, Assistance to quit/reduce, and Arrange follow-up 1
- Brief motivational interventions reduce drinking by average of 57 g per week in men 1
Mutual Support Groups:
- Actively encourage engagement with Alcoholics Anonymous (AA) - highly effective and should be routinely recommended 1
- Family members should also engage with appropriate mutual help groups 1
Management of Acute Alcohol Withdrawal
Inpatient vs Outpatient Decision:
- Manage in inpatient setting if: severe withdrawal risk, concurrent serious physical/psychiatric disorders, or inadequate social support 1
Withdrawal Pharmacotherapy:
- Benzodiazepines are the treatment of choice for acute withdrawal syndrome 1, 2
- Administer thiamine 100-300 mg daily for 4-12 weeks to ALL patients during withdrawal 1, 2
- CRITICAL: Give thiamine BEFORE any glucose-containing IV fluids to prevent Wernicke's encephalopathy 1, 2
- Patients at high risk or with suspected Wernicke's encephalopathy require parenteral thiamine 1
Screening and Assessment
- Use AUDIT (Alcohol Use Disorders Identification Test) as gold standard screening tool 1
- Screen for liver disease before medication selection to guide appropriate pharmacotherapy choice 1
Common Pitfalls to Avoid
- Never prescribe pharmacotherapy without behavioral interventions - this significantly reduces treatment effectiveness 1, 2
- Never use naltrexone in patients with active liver disease - can worsen hepatic function 1, 2
- Never use disulfiram in patients with advanced liver disease - potential hepatotoxicity 2
- Never discontinue treatment prematurely - optimal duration is 3-6 months minimum 1, 2
- Never fail to address family dynamics and social support systems - negatively impacts treatment outcomes 1
- Never initiate naltrexone without ensuring 7-10 day opioid-free period - risk of precipitated withdrawal 3
Alternative Pharmacotherapy Options
Second-Line Medications (when first-line options fail or are contraindicated):
- Topiramate (off-label) - increases abstinence and reduces heavy drinking days 2, 6
- Gabapentin (off-label) - reduces heavy-drinking days 6
- Disulfiram - creates aversive reaction to alcohol but only effective in supervised settings where compliance can be monitored 1, 2
Combination Therapy:
- Acamprosate plus naltrexone shows superior efficacy (OR 3.68) compared to either medication alone 2