Management of Alcohol Withdrawal Syndrome

Pharmacological Treatment

The American College of Physicians recommends benzodiazepines as the first-line treatment for alcohol withdrawal syndrome, with long-acting substances like diazepam or chlordiazepoxide preferred, unless there is liver insufficiency or other severe comorbidities, in which case lorazepam is a safer choice 1, 2
Diazepam 5-10 mg orally/IV/IM every 6-8 hours offers superior protection against seizures and delirium tremens due to its longer duration of action 2
Chlordiazepoxide 25-100 mg orally every 4-6 hours is a suitable alternative 1, 2
These substances work through GABA activation to provide anxiolytic, sedative, and anticonvulsant effects 1
Lorazepam 1-4 mg orally/IV/IM every 4-8 hours (starting dose 6-12 mg/day) is indicated for patients with liver insufficiency, severe alcohol withdrawal syndrome, advanced age, recent head trauma, respiratory insufficiency, obesity, or other severe medical comorbidities 1, 2, 4

Thiamine 100-300 mg/day should be administered to all patients with alcohol withdrawal syndrome to prevent Wernicke's encephalopathy 1, 2, 4
Thiamine must be given before glucose-containing infusions to avoid precipitating acute thiamine deficiency 1, 2, 3
Fluid and electrolyte substitution, particularly magnesium, is recommended 1, 2

Haloperidol 0.5-5 mg orally every 8-12 hours or 2-5 mg IM may be used as a cautious adjunctive therapy for agitation or psychotic symptoms not controlled by benzodiazepines 1, 2
Carbamazepine 200 mg orally every 6-8 hours may be used as an alternative to benzodiazepines for seizure prevention 1, 2

Inpatient admission is required for patients with severe complications, significant alcohol withdrawal syndrome, high recent alcohol consumption, history of withdrawal seizures or delirium tremens, severe medical or psychiatric comorbidities, or failure of outpatient treatment 1, 2, 3, 4

Psychiatric consultation is recommended for evaluation, acute treatment of alcohol withdrawal syndrome, and long-term abstinence planning 1, 2
Baclofen up to 80 mg/day has shown safety and efficacy in promoting alcohol abstinence in patients with alcoholic liver disease and cirrhosis 4
Naltrexone should be avoided in patients with alcoholic liver disease due to the risk of hepatotoxicity 4
Disulfiram should not be used in patients with severe alcoholic liver disease due to potential hepatotoxicity 4