Top Medications for Addiction Treatment

When people picture addiction treatment, they often think of detox and counseling. Medication is the part that gets less attention, yet for opioid and alcohol use disorder it is one of the most effective tools we have. The right medication can ease withdrawal, quiet cravings, prevent relapse, and, in an emergency, reverse an overdose.

This guide walks through the FDA-approved medications used in addiction treatment today, how they work, and how they fit into a complete plan. It is written for general readers, not as medical advice. Decisions about any medication should be made with a qualified clinician.

What is medication-assisted treatment (MAT)?

Medication-assisted treatment, or MAT, combines FDA-approved medications with counseling and behavioral therapy. The medication stabilizes the brain and body so the deeper work of recovery can take hold. According to the Substance Abuse and Mental Health Services Administration, this combined approach is considered a gold standard for treating opioid use disorder.

A common worry is that MAT simply swaps one drug for another. It does not. When taken as prescribed under medical supervision, medications such as buprenorphine and methadone do not produce a high. They normalize brain chemistry, reduce cravings, and lower the risk of overdose. That is why the National Institute on Drug Abuse reports that these medications help people stay in treatment longer, reduce opioid use, and lower the risk of overdose death.

At Clear Steps Recovery, medication-assisted treatment is never a standalone fix. It is integrated with individual therapy, group counseling, family programming, and aftercare.

FDA-approved medications for opioid use disorder

Three medications are FDA-approved for opioid use disorder. They work in very different ways, which is why matching the medication to the person matters.

Buprenorphine (Suboxone, Sublocade)

Buprenorphine is a partial opioid agonist. It binds to the same brain receptors as opioids but activates them only partially, which reduces cravings and withdrawal without producing a strong high. It also has a "ceiling effect" that lowers the risk of misuse and overdose compared with full opioids.

One of buprenorphine's biggest advantages is access. As SAMHSA notes, it was the first medication for opioid use disorder that can be prescribed in an office-based setting rather than only at a specialized clinic, which has widened treatment dramatically. It comes as sublingual tablets and films and as a long-acting monthly injection (Sublocade).

Methadone

Methadone is a long-acting full opioid agonist that has been used to treat opioid use disorder for decades. Its long duration of action allows once-daily dosing, which prevents withdrawal and steadily reduces cravings. Decades of evidence show it keeps people in treatment and reduces illicit opioid use.

Methadone for opioid use disorder is dispensed only through SAMHSA-certified opioid treatment programs, with careful medical supervision, especially early in treatment. That structure is part of what makes it both effective and safe.

Naltrexone (Vivitrol)

Naltrexone takes the opposite approach. It is an opioid antagonist, meaning it blocks opioid receptors entirely, so opioids produce no rewarding effect. It carries no risk of physical dependence. Naltrexone comes as a daily oral tablet or an extended-release monthly injection (Vivitrol).

There is one important catch: a person must be fully detoxed from opioids before starting naltrexone, generally after about 7 to 10 days, to avoid precipitated withdrawal. Because of that, naltrexone is often a good fit for people who have already completed detox and want a non-opioid option.

FDA-approved medications for alcohol use disorder

Alcohol use disorder also has three FDA-approved medications. The National Institute on Alcohol Abuse and Alcoholism emphasizes that all three are non-addictive and can be used alone or alongside counseling and mutual-support groups. They pair naturally with the counseling in our alcohol addiction treatment program.

Naltrexone

The same naltrexone used for opioids is also approved for alcohol use disorder, as a daily tablet (ReVia) or a monthly injection (Vivitrol). It blocks the opioid receptors involved in alcohol's pleasurable effects, which reduces cravings and the number of heavy drinking days. Unlike some options, it can be started while a person is still drinking. It should not be used by anyone currently taking opioids or with acute liver failure.

Acamprosate (Campral)

Acamprosate helps people maintain abstinence after they have stopped drinking. It acts on the glutamate system to ease the lingering anxiety, restlessness, and sleep problems that can follow alcohol withdrawal. It is taken as two tablets three times a day and works best when started soon after a person achieves abstinence and is combined with psychosocial support.

Disulfiram (Antabuse)

Disulfiram was the first medication approved for alcohol dependence. It works as a deterrent: it blocks the enzyme that breaks down alcohol, so drinking causes a buildup of acetaldehyde and an unpleasant reaction including flushing, nausea, and headache. Because the reaction can occur for up to two weeks after the last dose, and is unpleasant by design, disulfiram works best for motivated patients, often when taken under supervision. It is not recommended for people with certain heart, liver, or severe psychiatric conditions.

How effective is medication-assisted treatment?

Decades of research support these medications. The NIDA reports that the opioid medications keep people in treatment longer, reduce illicit opioid use, and lower overdose mortality when they are dosed appropriately. Treatment retention matters because staying in care is linked to lower overdose risk, reduced spread of HIV and hepatitis C, and better day-to-day stability in work and family life.

For alcohol use disorder, naltrexone and acamprosate both have solid evidence for reducing relapse and heavy drinking. As with opioids, the medications do their best work as one part of a broader plan rather than on their own.

Overdose reversal medications

Two medications exist to reverse an opioid overdose in an emergency. They are not treatments for addiction, but they save lives and belong in any conversation about opioid safety.

Naloxone (Narcan)

Naloxone is an opioid antagonist that rapidly reverses an opioid overdose by knocking opioids off their receptors and restoring breathing. It comes as a nasal spray and an injectable. In March 2023 the FDA approved Narcan 4 mg nasal spray for over-the-counter sale, the first naloxone product available without a prescription, making it far easier to keep on hand. With powerful synthetic opioids like fentanyl, more than one dose may be needed.

Nalmefene (Opvee)

Nalmefene is a longer-acting opioid antagonist, also approved as a nasal spray. The FDA notes that its longer duration of action may be useful for overdoses involving long-acting opioids. Like naloxone, it is available over the counter.

If you or someone you love is at risk of opioid exposure, keeping naloxone accessible is a simple, effective safeguard.

Using addiction medications safely

Medications are powerful tools, and a few basic practices keep them working as intended:

• Take every medication exactly as prescribed, and never stop MAT medications abruptly without medical guidance.
• Tell your care team about all other medications and substances you use, to avoid dangerous interactions.
• Store medications locked away from children, in their original child-resistant containers, and never share a prescription.
• Dispose of unused medication through an FDA-recommended drug take-back program.
• If you are at risk of opioid exposure, keep naloxone within reach.

How Clear Steps Recovery builds your medication plan

There is no single "best" medication. The right choice depends on the substance involved, your medical history and any co-occurring conditions, what you have tried before, and your own goals and lifestyle. We build each plan around the individual and revisit it as recovery progresses.

Medication is woven into the rest of care: individual and group counseling, drug addiction treatment, cognitive behavioral therapy, family support, and aftercare to protect progress once a program ends.

If you are weighing whether medication could help, our admissions team can talk it through with you, confidentially and without judgment, across New Hampshire and Massachusetts.