Alcohol Use Disorder: Effects and Treatment

Excessive alcohol use causes both immediate dangers and long-term health consequences affecting every organ system:

Short-term risks include: falls, drownings, burns, and motor vehicle collisions (even moderate drinking doubles injury odds); acts of violence including domestic assault and sexual assault; alcohol poisoning from dangerously high blood alcohol concentration; and risky sexual behavior leading to unintended pregnancy or STDs.

Long-term health consequences of chronic drinking include: liver cirrhosis and fatty liver disease, cardiovascular disease and hypertension, weakened immune system, pancreatitis, various cancers (mouth, throat, esophagus, liver, colon, breast), peripheral neuropathy (nerve damage), cognitive impairment and brain damage, depression and anxiety, sexual dysfunction, nutritional deficiencies (thiamine, folate, B12), and social consequences including unemployment, family breakdown, and legal problems.

Alcohol withdrawal begins within hours to days after stopping or significantly reducing heavy, prolonged drinking. Unlike many other substances, alcohol withdrawal can be life-threatening and requires medical supervision.

Withdrawal symptoms include: profuse sweating and elevated heart rate (pulse above 100 bpm), hand tremors, insomnia, nausea and vomiting, visual, tactile, or auditory hallucinations, psychomotor agitation, severe anxiety, and generalized tonic-clonic seizures.

Medical detox is the preferred setting because withdrawal severity is unpredictable. Detox involves 24-hour medical monitoring, correction of nutritional deficiencies, administration of benzodiazepines or other medications to prevent seizures and manage symptoms, and stabilization before transitioning to rehabilitation.

Delirium tremens is the most severe form of alcohol withdrawal, affecting approximately 1-2% of people with heavy alcohol use history. 

DT typically lasts 3-4 days but can persist up to 8 days. Without treatment, DT has a fatality rate of 1-4%.

Signs of delirium tremens include: rapid heart rate (tachycardia), dangerously high blood pressure, severe anxiety and agitation, delirium with reduced awareness of surroundings, vivid visual, auditory, or tactile hallucinations, seizures, profuse sweating, and fever. DT is a medical emergency requiring immediate hospitalization with intensive monitoring, IV fluids, benzodiazepines, and supportive care.

AUD is a chronic, treatable condition. Effective treatment combines medical detox, medication, behavioral therapy, and ongoing support:

Hospital-Based Medical Detox: 24-hour medically supervised withdrawal management with vital sign monitoring, seizure prevention medications, nutritional rehabilitation, and stabilization. Essential for moderate-to-severe AUD.

Medications for AUD (MAT): Three FDA-approved medications: Disulfiram (Antabuse) creates unpleasant reaction if alcohol is consumed. Naltrexone (Vivitrol) blocks alcohol’s rewarding effects and reduces cravings. Acamprosate (Campral) eases post-acute withdrawal symptoms like anxiety and insomnia.

Inpatient Rehabilitation: 24/7 residential treatment with individual therapy, group therapy, psychoeducation, family involvement, and structured programming. Programs range from 30 to 90+ days.

Cognitive-Behavioral Therapy (CBT): Identifies triggers, thought patterns, and behaviors driving alcohol use; builds coping skills and relapse prevention strategies.

Motivational Interviewing (MI): Enhances internal motivation for change and builds commitment to sobriety through empathic, collaborative conversation.

Dialectical Behavior Therapy (DBT): Teaches distress tolerance, emotional regulation, and mindfulness to manage triggers without drinking.

Group Therapy & Peer Support: AA, SMART Recovery, and therapeutic community groups provide accountability, connection, and shared experience.

Family Therapy: Addresses family dynamics, codependency, communication breakdowns, and builds healthy support systems.

Co-Occurring Disorder Treatment: Integrated dual-diagnosis care for depression, anxiety, PTSD, bipolar disorder, and other conditions alongside AUD.

Aftercare & Continuing Care: Alumni programs, outpatient therapy, sober living referrals, support groups, and ongoing psychiatric medication management are all part of ongoing aftercare.