Antabuse Injection (Disulfiram) for Alcohol Use Disorder: What to Know

Antabuse injection (disulfiram) for alcohol use disorder — FDA-approved oral medication, no injectable form, disulfiram and alcohol deterrent effects.

Antabuse Injection (Disulfiram) for Alcohol Use Disorder: What to Know

At a Glance: Antabuse Injection

What is Antabuse (disulfiram): Antabuse is an FDA-approved medication for alcohol use disorder that creates unpleasant effects if alcohol is consumed.

Is there an Antabuse injection: No. Antabuse is only available in tablet form. There is no FDA-approved injectable version.

How does disulfiram and alcohol interact: Drinking alcohol while on disulfiram can cause flushing, nausea, vomiting, chest pain, dizziness, and in severe cases, heart complications.

Who might benefit from Antabuse for alcohol: People committed to abstinence who want a clear deterrent against drinking may find it useful, especially with supervised dosing.

What are the main risks of Antabuse: Potential liver injury, drug interactions, and serious reactions if alcohol is consumed—even in hidden sources like cough syrups or sauces.

Table of Contents

When you’re navigating addiction and mental health, you deserve straightforward information that respects your time and your goals. If you’ve heard about an “antabuse injection” and wondered whether there’s a shot that can stop you from drinking, this guide breaks down what’s real, what’s rumor, and how disulfiram and alcohol interact in the body—without judgment and with practical next steps.

What is Antabuse (Disulfiram)?

Disulfiram (historically branded Antabuse) is an FDA‑approved medication for alcohol use disorder (AUD). It doesn’t remove cravings; instead, it creates a powerful deterrent: if you drink alcohol while taking it, you’ll feel unwell quickly. It’s best used within a comprehensive plan that includes therapy, peer support, and medical follow‑up.

How disulfiram works in the body

Disulfiram blocks aldehyde dehydrogenase. That causes acetaldehydea toxic alcohol byproduct—to build up, triggering flushes, pounding headaches, palpitations, nausea, and more. This “disulfiram–alcohol reaction” is the core deterrent effect.

Is there an Antabuse injection?

Short answer: No FDA‑approved Antabuse injection exists. In the U.S., disulfiram is available only as an oral tablet(250–500 mg). Some countries have experimented with implants or injections, but U.S. regulators have never licensedthose delivery forms due to insufficient evidence on safety and utility.

Why you’ll see “implants” or “injections” online

You may find clinics abroad advertising disulfiram implants or “shots.” Academic reviews note these approaches gained popularity decades ago to improve adherence; however, they remain unlicensed in the U.S. and aren’t standard of care here. If you encounter such offers, ask for peer‑reviewed evidence, informed‑consent details, complication rates, and regulatory status.

FDA‑approved alternatives that are injections

People often confuse Antabuse with Vivitrol, the monthly extended‑release naltrexone injection. Vivitrol reduces the rewarding effects of alcohol; disulfiram deters drinking by making alcohol feel physically unpleasant. Both can help the right person, but they work very differently.

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Disulfiram and alcohol: what happens if you drink?

If you take disulfiram and then drink—even small amounts hidden in sauces, mouthwash, or cough syrups—you may experience flushing, sweating, nausea/vomiting, chest pain, fast heart rate, breathlessness, dizziness, or confusion. In severe cases: low blood pressure, heart rhythm problems, heart attack, or collapse. The reaction can start within minutes of alcohol entering your system and last as long as alcohol remains in your blood.

How long do effects last—and how long must you avoid alcohol?

You should avoid alcohol completely while on disulfiram and for up to 14 days after stopping, because reactions can still occur. If you’re not sure whether a product contains alcohol, ask your pharmacist or clinician.

Who might consider antabuse for alcohol—and who shouldn’t

Good candidates are adults with AUD whose goal is abstinence, and who want a clear, immediate consequence if they drink. Supervised daily dosing (by a family member or clinic) can boost adherence and outcomes.

When to avoid or use extra caution

Disulfiram isn’t for everyone. People with severe liver disease, severe heart disease, or psychosis should not take it. It also requires caution with certain medications (e.g., metronidazole, warfarin, phenytoin), and you must not start it until you’ve been alcohol‑free for at least 12 hours. Always involve a clinician who can review your health history and meds.

How to take disulfiram safely

Dosing basics you can expect

Typical dosing starts around 250–500 mg daily in tablet form. Your provider will tailor the dose, monitor your response, and decide how long to continue—months or even longer in some cases—based on your recovery plan.

Daily routine & adherence tips

  • Pair it with a routine: Take your tablet at the same time each day (morning is common; bedtime if it makes you drowsy).

  • Observed dosing helps: Some people ask a trusted person to hand them the tablet and watch them take it. It’s not about control—it’s about creating friction against relapse while your new habits take root.

  • Keep an “alcohol watchlist”: Mouthwash, aftershave, tinctures, cooking wine, some cough syrups—scan labels or ask your pharmacist if you’re unsure.

Side effects, warnings, and interactions to know

Most people tolerate disulfiram, but rare serious liver injury can occur—even after months on the medication. Seek help right away for yellowing skin/eyes, dark urine, severe stomach pain, or profound fatigue. Other rare risks include peripheral neuropathy (numbness/tingling), optic neuritis, and mood changes.

Drug–drug interactions (common examples)

Flag the following with your clinician and pharmacist: metronidazole, warfarin (dosing adjustments may be needed), phenytoin, certain antivirals, and any alcohol‑containing medication or product. Keep an updated medication list at all times.

Antabuse vs. Vivitrol (naltrexone injection) and other options

When your query is “antabuse injection,” you’re likely weighing the pros/cons of a daily tablet vs a monthly shot.

How they differ—at a glance

FeatureDisulfiram (Antabuse)Naltrexone ER (Vivitrol)
FDA‑approved formTablet (daily)Monthly injection
Main actionDeterrent: makes you sick if you drinkBlocks reward pathways; reduces cravings for some
Works best forPeople choosing abstinence who want a strong “if/then” deterrentPeople who want fewer cravings and prefer monthly dosing
Key cautionsLiver risk, severe heart disease, psychosis; strict alcohol avoidanceMust be opioid‑free before first injection; injection‑site reactions
Where it fitsOften second‑line, supervised dosing helpsCommon first‑line option alongside acamprosate in many settings

Choosing based on your goals

  • If your goal is “no alcohol at all,” you want a clear consequence for drinking, and you can commit to daily dosing—disulfiram may fit.

  • If your goal is to reduce cravings without a daily pill and you like the simplicity of a monthly clinic visit, ask about Vivitrol.
    Either way, combine medication with therapy and recovery supports; medications work better with connection.

Antabuse and mental health: fitting it into a whole‑person plan

AUD rarely exists in a vacuum. Depression, anxiety, trauma histories, and sleep problems are common. Disulfiram can support abstinence while you and your care team work on the mental health and life pieces that drive drinking. Ask about:

Frequently Asked Questions About Antabuse Injection and Alcohol Treatment

No, Vivitrol and Antabuse are different medications. Antabuse (disulfiram) works as a deterrent by causing unpleasant reactions when alcohol is consumed, while Vivitrol (naltrexone injection) reduces cravings by blocking the rewarding effects of alcohol.

The most common injection used for alcohol use disorder is Vivitrol, a monthly naltrexone shot. It is not the same as Antabuse, which is only available in tablet form.

Antabuse has not been discontinued, but in some places, it may be less commonly prescribed due to concerns about adherence and side effects. It remains FDA-approved and available in oral tablet form.

Yes, but it is not Antabuse. The FDA-approved injectable option is Vivitrol, which is given once a month to help reduce cravings and support recovery.

Drinking alcohol while on disulfiram can cause a severe reaction, including flushing, nausea, vomiting, chest pain, rapid heartbeat, dizziness, and in extreme cases, life-threatening complications.

Three main FDA-approved medications are used for alcohol use disorder: Antabuse (disulfiram), Vivitrol (naltrexone), and Campral (acamprosate). Each works differently and should be chosen with medical guidance.

Disulfiram works by blocking the breakdown of alcohol in the body. This leads to a buildup of acetaldehyde, which causes uncomfortable symptoms if alcohol is consumed, helping to deter drinking.

The approved injection is Vivitrol, which is administered once a month. Unlike Antabuse, it does not cause sickness when alcohol is consumed but instead blocks the brain’s reward response to alcohol.

How Nova Recovery Center Can Help with Antabuse Treatment

At Nova Recovery Center, we understand that searching for an antabuse injection can be confusing, since disulfiram is only available as an oral tablet. Our team helps clients explore Antabuse and other medication-assisted options while ensuring they are used safely and effectively within a personalized treatment plan. We provide medical supervision to monitor for side effects, drug interactions, and the crucial risks associated with disulfiram and alcohol. Because recovery is more than medication, our programs integrate therapy, peer support, and relapse prevention strategies to strengthen long-term sobriety. We also educate clients about practical steps, such as avoiding hidden alcohol sources and creating daily routines to stay consistent with Antabuse for alcohol treatment. Whether you’re considering Antabuse, Vivitrol, or other recovery tools, our evidence-based approach ensures your care aligns with your unique goals. With comprehensive support, Nova Recovery Center empowers you to move forward confidently on your recovery journey.

Frequently Asked Questions: Alcohol & ADHD Medications

It’s not recommended. Alcohol can interact with both stimulant and non-stimulant ADHD medications, leading to dizziness, trouble concentrating, increased heart risks, and unpredictable sedative effects—even with medications like atomoxetine or guanfacine. Always check with your prescriber before drinking.

Mixing Adderall with alcohol is dangerous. The stimulant can mask how drunk you feel, which often leads to over-drinking, increasing the risks of overdose, heart strain, impaired judgment, and accidents.

Alcohol is a depressant. While small amounts may initially feel stimulating, its overall effect is sedative and impairing, slowing down brain and body functions.

Combining stimulants and alcohol can significantly impact cognitive function and heart health. People may experience impaired judgment, cardiovascular strain, or intensified intoxication, especially because stimulants mask alcohol’s sedative effects.

Adderall can dull your perception of being drunk, which often leads to drinking more than intended. This masking effect increases the risk of alcohol poisoning and poor decision-making, such as driving impaired.

Possible side effects include elevated blood pressure, rapid heartbeat, confusion, impaired coordination, and a heightened risk for alcohol poisoning, seizures, or cardiac events.

If someone shows confusion, seizures, difficulty staying awake, or slow breathing after mixing these substances, call emergency services immediately. It’s always safer to seek medical help quickly.

Mat Gorman

Medical Content Strategist

Mat Gorman is a board-certified mental health writer and medical researcher with over a decade of experience in addiction recovery education. He specializes in translating complex clinical topics into clear, compassionate content that empowers families and individuals seeking treatment. Mat has collaborated with recovery centers, licensed therapists, and physicians to publish evidence-based resources across the behavioral health space. His passion for helping others began after witnessing the struggles of loved ones facing substance use disorder. He now uses his platform to promote hope, clarity, and long-term healing through accurate, stigma-free information.
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