Naltrexone
Revia (naltrexone) is a prescription medication classified as an opioid antagonist used to treat alcohol dependence and prevent relapse in individuals who have stopped using opioids. It works by blocking the effects of opioids and reducing cravings, helping patients maintain sobriety as part of a comprehensive treatment program.
Revia is an opioid antagonist medication used to treat alcohol dependence and support recovery from opioid addiction.
Key facts at a glance
- RxNorm
- 152092
- Generic
- Revia
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Revia is primarily used to treat alcohol dependence and opioid use disorder. It is prescribed as part of a complete treatment program that includes counseling and social support. The oral formulation is used for ongoing maintenance, while the injectable form (sometimes marketed as Vivitrol) provides extended-release dosing.
Revia is an opioid receptor antagonist that blocks the effects of opioids by competing for and binding to opioid receptors. By preventing opioids from binding, it reduces the euphoric effects and cravings associated with opioid use. For alcohol dependence, it is believed to reduce the rewarding effects of alcohol consumption.
Patients must be opioid-free before starting Revia, typically for 7-10 days, to avoid precipitating withdrawal symptoms. Common side effects may include nausea, headache, and fatigue. Regular monitoring and compliance with treatment are essential for optimal outcomes. Patients should inform their healthcare provider of all current medications and medical conditions before starting therapy.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 9, 2026. · Read our editorial policy