Peramivir
Rapivab (peramivir) is an antiviral medication used to treat acute uncomplicated influenza in patients 6 months of age and older who have experienced flu symptoms for no more than two days. It is administered as a single intravenous infusion and is particularly useful for patients who cannot take oral medications.
Rapivab is an IV antiviral medication used to treat acute influenza infections.
Key facts at a glance
- RxNorm
- 1598078
- Generic
- Rapivab
- 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 acute uncomplicated influenza in patients 6 months and older with symptom duration of 2 days or less. Often used in hospitalized patients or those unable to take oral medications.
Rapivab contains peramivir, a neuraminidase inhibitor that blocks the neuraminidase enzyme on the surface of influenza viruses, preventing the release and spread of new viral particles from infected cells.
Administered as a single intravenous dose. Not a substitute for annual flu vaccination. Should be used with caution in patients with renal impairment. Common side effects may include diarrhea, nausea, and vomiting.
Official drug label
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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 29, 2026. · Read our editorial policy