Medications for Alcohol Use Disorder: FDA-Approved and Off-Label Options

Alcohol use disorder (AUD), often called alcoholism, is a medical condition, not a moral failing. Fear and shame keep many people from asking for help, including family members who worry they will say the wrong thing. The hopeful fact is that AUD can be treated with medications that reduce cravings, support cutting down or abstaining, and lower the risk of relapse, especially when they are paired with counseling or a support group. FDA approved medications that target alcoholism and alcohol use disorder have been available for decades, yet they are rarely prescribed.

Medications do not “cure” AUD by themselves, but they can make change more realistic. The U.S. Food and Drug Administration (FDA) has approved options such as Disulfiram (Antabuse), naltrexone (an oral pill, or Vivitrol in a monthly injection) and acamprosate that work on brain pathways involved in reward and withdrawal, so drinking feels less compelling and sobriety is easier to maintain. Some people use medication to stop drinking entirely; others use it to cut back and reduce harm. Either goal is legitimate when it is made with a clinician who understands the person’s health history, and collaborates with them on their specific goals.

Read more: Medication Assisted Treatment (MAT) for Substance Use Disorder

Treatment with medications for alcohol use disorder remains rare. Recent national survey data showed (tens of millions surveyed), that only about 2.6% of people with alcohol use disorder in the US, receive medication management for their condition.

The rest of this article reviews FDA-approved medicines and newer options discussed as of 2025–2026, so readers and families can have a clearer, less stigmatizing conversation with their health professional, psychiatrist or addiction specialist, about treatment options.

This article is educational only. It is not a substitute for medical advice, diagnosis, or emergency care, and no one should start or stop a medication without talking with a qualified health professional.

How Medication Can Support Alcohol Use Disorder Treatment

Medications for alcohol use disorder are prescription drugs that help the brain handle alcohol differently. They can lower cravings for alcohol, reduce heavy drinking days, or make it easier to stay alcohol-free. They are evidence-based tools – meaning studies have clearly shown that they can be utilized to improve outcomes (getting better does not have to be based on will power alone). There is no single “magic pill.” Used well, they are one part of a plan that can clearly improve the odds of cutting back or staying sober.

These medicines work best in tandem with additional support. Counseling, behavioral therapy, and peer groups such as Alcoholics Anonymous (AA) or SMART Recovery help people change habits, handle stress, and rebuild routines. The medicine can quiet the urge to drink so that therapy and group support have room to work. Primary care clinicians – not only psychiatrists and addiction specialists – can often prescribe these medications after a psychiatric and/or medical evaluation.

Medications such as Antabuse, naltrexone and acamprosate are usually a fit for moderate to severe Alcohol Use Disorder. Some people use them to quit. Others use them to drink less and reduce harm. That second goal is valid when it is planned with a clinician (who can help assess appropriateness).

One safety note matters: stopping heavy drinking suddenly can cause dangerous withdrawal (shaking, seizures, confusion, unstable vital signs and even death). Some people need medically supervised detox prior to starting outpatient medication management.

FDA-Approved Medications for Alcohol Use Disorder

As of 2025–2026, the U.S. Food and Drug Administration (FDA) has approved three medications specifically for alcohol use disorder (AUD): naltrexone, acamprosate, and disulfiram. None of them is a cure, and none replaces counseling or peer support. They are tools that change how the brain or body responds to alcohol so cutting down or staying abstinent is more realistic. Which one fits best depends on the goal – fewer heavy-drinking days, staying alcohol-free, or a strong deterrent – and on other health issues such as liver or kidney disease, or opioid use.

Naltrexone blocks opioid receptors involved in alcohol’s “reward” feeling. Many people notice less pleasure from drinking and fewer cravings. It comes as a daily pill or a once-monthly injection (extended-release naltrexone or Vivitrol). It is often the first choice when the goal is to reduce heavy drinking, and it can also support abstinence. It is typically taken daily, but some use it “as needed,” taking oral naltrexone before events, or on weekends. The monthly injection can improve compliance. One important safety consideration: naltrexone can precipitate opioid withdrawal and will block opioid pain medicines. It should not be started in someone who currently uses opioids.

Acamprosate is thought to help rebalance brain systems that stay overactive after someone stops drinking, which can ease protracted withdrawal symptoms such as insomnia, anxiety, and restlessness. It is a pill taken three times a day. It is usually preferred for people who have already stopped drinking and want help staying abstinent. It is sometimes used to decrease cravings for alcohol as well, in people who are trying to moderate their alcohol use.

Disulfiram does not reduce cravings. If someone drinks alcohol while taking it, they can get a very unpleasant (and potentially dangerous) reaction (flushing, nausea, pounding heartbeat, headache). Disulfiram (or Antabuse) inhibits someone’s ability to break down a metabolite of alcohol, which can then accumulate and make someone feel very ill. That reaction is the point: it works as a deterrent for people who have decided on abstinence and want an extra reason not to drink. It is a daily pill and only makes sense when the person understands the risk and is not drinking. Drinking on disulfiram can be dangerous and must be discussed in detail with a clinician.

These are high-level comparisons, not dosing instructions, or medical advice. A primary care clinician, psychiatrist or addiction specialist should match the medicine to your goals, other prescriptions, and medical history before anything is started or stopped.

Naltrexone, Acamprosate, and Disulfiram: Key Differences

Clinicians match AUD medicines to your goal, your other health problems, and what you can actually take every day – this isn’t one-size-fits-all. If you want to cut back or have fewer binge days, naltrexone is often first-line. It can take the “reward” out of drinking even if you are not ready to stop completely. If your goal is total abstinence after detox, acamprosate may be a better fit: it does not punish a slip the way disulfiram does, and it is meant to support the weeks and months after you have already stopped. Disulfiram is different. It does not quiet cravings. It makes drinking sickening on purpose. That only helps people who already want to stay sober and have someone they trust helping them stay consistent.

Health conditions steer the choice as much as goals do. Naltrexone is a poor match if you take opioids for pain or for opioid use disorder, because it can trigger withdrawal and block those medicines. Liver disease is discussed case by case with naltrexone; many people with milder liver problems still use it under monitoring, but that is a clinician decision, and typically requires routine labs. Acamprosate is often preferred when the liver is already injured, because it is cleared by the kidneys – so kidney function, not liver function, is the main filter. Disulfiram is often the recommendation if someone is committed to complete abstinence, and understands that they must be diligent about checking labels (mouthwashes, some sauces, some cold medications, and even perfumes can cause reactions). Pill burden matters too: acamprosate is several times a day; the naltrexone shot is once a month; compliance should be taken into consideration.

None of this is something to pick off a website or start on your own. A primary care clinician, psychiatrist, or addiction specialist should review your drinking goal, labs, and other prescriptions, then choose with you. Many people try more than one medicine before something fits. That is common, not a failure. If one option causes side effects or does not change your drinking, the next conversation is typically what to try next.

H2 – Off-Label and Emerging Medication Options for AUD

Some medicines used for AUD were approved for other conditions first. When a clinician prescribes one of those drugs for drinking, that is called off-label use. It is legal and common when research and clinical experience support it, but it is not the same as an FDA approval specifically for alcohol use disorder. As of 2025–2026, only naltrexone, acamprosate, and disulfiram have that AUD approval. Off-label options can still help some people. They also bring different side effects, monitoring needs, and insurance rules, so they should be started only with a qualified prescriber.

Two of the better-known off-label options that many use for alcohol use disorder are topiramate and gabapentin. Topiramate is an anti-seizure medicine that can reduce drinking days and cravings for some people; side effects can include tingling, word-finding trouble, appetite suppression, tiredness, increased risk of kidney stones and others. Gabapentin, used for nerve pain and some seizures disorders, is also sometimes used off-label during alcohol detoxification, and for the purposes of decreasing / limiting alcohol use. There is evidence to support the use of these medications in alcohol use disorder, albeit, it’s thinner than the evidence available for the use of FDA approved medications. Results vary, doses used in studies are not something to copy at home, and both medicines can cause sedation or other problems, especially if mixed with alcohol or other depressants.

GLP-1 receptor agonists such as semaglutide (the active ingredient in Ozempic and Wegovy) are one of the newest areas of interest for the treatment of alcoholism and alcohol use disorder (AUD). Early trials and observational reports suggest some people drink less and have fewer heavy-drinking days when they are prescribed these medications, and larger studies – including a VA trial – are still underway. That is promising, but the results are not fully in. These drugs are not FDA-approved for AUD as of 2025–2026. Coverage is often tied to diabetes or weight, not addiction care, and side effects (nausea, gastrointestinal problems, gallbladder dysfunction and others) can occur.

• Topiramate  –  off-label; growing evidence for reducing drinking
• Gabapentin  –  off-label;, sometimes used during detox from alcohol, or in an attempt to reduce anxiety and/or cravings in individuals trying to moderate or abstain from drinking.
• Semaglutide and other GLP-1s  –  investigational for AUD; early positive signals, not an approved AUD treatment

It would be reasonable to discuss the above options with your psychiatrist or addiction specialist.

Questions to Discuss With Your Provider Before Starting Treatment

A medication visit works best when you and your clinician are solving the same problem. Start with your goal in plain language: cut back, stop completely, or stay sober after a recent stretch without alcohol. There is no “right” answer, but be prepared to discuss. The goal just tells the clinician whether naltrexone (often used when people still drink some), acamprosate (often used to protect abstinence after detox), disulfiram (a deterrent if you are committed to zero alcohol), or an off-label option may be a suitable next step. Be prepared to discuss how often you drink, how much, and what has already been tried – therapy, AA or SMART Recovery, a past medicine, detox and/or a recovery program. Incomplete information does not make you look better; it makes the plan less safe and effective.

Discussing your general mental health, and any mental health symptoms (such as anxiety, depression and any history of trauma) will also help guide you and your clinician in your decisions for a thorough treatment plan.

Medical facts matter as much as the goal. Share liver and kidney history, other prescriptions and supplements, and any opioid use – pain pills, buprenorphine, methadone, or heroin. Naltrexone and opioids do not mix. Kidney problems may be a contraindication to acamprosate. Liver disease can limit the use of naltrexone and disulfiram. Depression, anxiety, sleep problems, and past side effects are also important considerations. The clinician is weighing severity of AUD plus those constraints, not judging character. Do not be surprised if a clinician orders labs, such as kidney, liver or even a toxicology, before writing you for a medication.

Expect a trial-and-adjust plan, not just one visit and a “cure.” Be understanding if detox (or a higher level of care) is recommended for safety. Before leaving your visit, talk to your provider about a follow-up appointment, what to do if a sooner visit is required, how to contact them if there are untoward side effects or questions, and how to best report (and record) progress and potential side effects between visits.

Do not stop a medicine suddenly on your own, and do not drink while taking disulfiram – that combination can make you very sick. If the first choice fails, the next step is usually a different tool, not giving up.

1. Write down your goal: cut back, quit, or prevent relapse.
2. List all medicines, opioids, and known liver or kidney issues.
3. Note past treatments and what did or did not help.
4. Ask which option fits that picture and when you will check in.
5. Confirm what to do if you miss doses, have side effects, or drink.

What to Expect From Medication Management at Rittenhouse Psychiatric Associates

When seen at Rittenhouse Psychiatric Associates, patients can expect a 60-90 minute initial appointment, where their clinician discusses their goals of treatment, their current and past history with alcohol, and performs a thorough medical and psychiatric evaluation. They will also discuss your life story, any history of trauma(s), your personality, and any additional behaviors that are affecting your current condition. Being thorough – increases your chance of success, it shouldn’t be taken as a judgement.

When a medication is chosen, it’s unfortunately not uncommon for patients to have transient side effects, or need dosage adjustments. Dosage adjustments are typically made at appointments. Your provider will discuss how best to reach them between visits, if there are any side effects or issues with medications.

Your mental health provider may order laboratory tests, perform a physical evaluation (if the visit is in-office at one of our various locations primarily in the Philadelphia area), and ask to speak with your other medical providers (primary care providers, psychotherapists or others). They may also recommend programs such as alcoholic anonymous, SMART Recover, individual and/or family therapy. Visits are confidential, and your permission is required for your Rittenhouse provider to discuss your case with others (excluding emergencies).

Finally, I’d like to acknowledge that admitting that you would like to change your relationship with alcohol is a large and difficult first step. It’s not easy to ask for help, and I’d like to commend you on getting to this point. If you’d like to keep going, we can take the next steps together.