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Revia is a type of opioid receptor antagonist that is licensed for the treatment of alcohol and narcotic dependence. This prescription drug comes as a tablet that is taken once daily. It works by binding to opioid receptors, but does not produce that "high" feeling that can reinforce opioid and alcohol abuse. Side effects are possible and can include nausea, headaches, and dizziness.


What Is Revia?

Revia® (naltrexone) is a prescription medication approved for the treatment of alcohol dependence. It is also approved to block the effects of opioids (narcotics). This can help people who are addicted to narcotics stay drug-free.
Revia is not a cure for addiction. Addiction treatment typically involves several components. Revia is only one part of a complete addiction treatment program that may include other options, such as counseling and support groups. 
The active ingredient in Revia (naltrexone) also comes in an injectable form: Vivitrol® (naltrexone injection). Naltrexone injection is given monthly into a muscle (an intramuscular, or IM, injection).
(Click Revia Uses for more information on this topic, including possible off-label uses.)

Who Makes This Medication?

Brand-name Revia is made by Duramed Pharmaceuticals, Inc. Generic forms are made by a few different companies.

How Does Revia Work?

Revia is an opioid receptor antagonist. It binds to opioid receptors, but does not produce any effects. Instead, it blocks the receptors, preventing other substances (called opioid agonists) from binding to and activating the receptors. This blocks the effects of opioid agonists, such as narcotic pain medications and heroin, so that people who use them will not get the "high" feeling that can reinforce opioid abuse. This can help prevent relapse in people who have stopped using opioids.
It is not entirely clear how Revia works to treat alcohol dependence. It is thought that by blocking opioid receptors, Revia also helps prevent the rewarding effects of alcohol use, which can reduce the desire to consume alcohol.
Revia is not a narcotic medication. It is also not addictive and does not cause dependence.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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