Palivizumab
Synagis (palivizumab) is a monoclonal antibody medication used to prevent severe respiratory syncytial virus (RSV) infection in high-risk infants and young children. It is administered as a monthly injection during RSV season. This medication is specifically prescribed for premature infants, children with certain heart defects, and those with chronic lung disease of prematurity.
Synagis is a monoclonal antibody that helps prevent severe RSV infections in high-risk infants and young children through monthly injections during RSV season.
Key facts at a glance
- RxNorm
- 220141
- Generic
- Synagis
- 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.
Synagis is used for the prevention of serious lower respiratory tract infections caused by respiratory syncytial virus (RSV) in high-risk pediatric patients, including infants born prematurely (35 weeks or less), children with hemodynamically significant congenital heart disease, and children with chronic lung disease of prematurity.
Synagis is a recombinant humanized monoclonal antibody that binds to the F protein on the surface of RSV, neutralizing the virus and preventing it from infecting cells.
Synagis is administered as an intramuscular injection once monthly during RSV season (typically November through March in the Northern Hemisphere). It is a prophylactic medication and does not treat active RSV infection. Parents should discuss potential side effects and eligibility criteria with their child's 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 August 9, 2026. · Read our editorial policy