Molnupiravir
Lagevrio (molnupiravir) is an oral antiviral medication used to treat COVID-19 in adults with mild to moderate symptoms who are at high risk for progressing to severe illness. It is a nucleoside analog that works by inhibiting viral replication.
Oral antiviral treatment for COVID-19 in high-risk adults with mild to moderate symptoms.
Key facts at a glance
- RxNorm
- 2603735
- Generic
- Lagevrio
- 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.
Treatment of mild to moderate COVID-19 in adults at high risk for progression to severe disease, including hospitalization or death.
Lagevrio is a nucleoside analog that introduces errors into viral RNA during replication, impairing the virus's ability to multiply and spread.
This medication is taken orally over a 5-day course and should be initiated as soon as possible after diagnosis and within a specified timeframe of symptom onset. It is not authorized for use in patients under 18 years of age or for pre-exposure prevention. Patients should discuss potential side effects, contraindications, and drug interactions with their healthcare provider.
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 July 26, 2026. · Read our editorial policy