Rotavirus Vaccine, Live, Oral
Rotarix is an oral vaccine designed to protect infants and young children against rotavirus infection, which is a leading cause of severe diarrhea and gastroenteritis in this age group. It contains weakened live rotavirus strains that help the immune system recognize and fight the virus without causing the actual illness.
Rotarix is a brand-name oral vaccine for infants that prevents rotavirus-related severe diarrhea and vomiting.
Key facts at a glance
- RxNorm
- 493191
- Generic
- Rotarix
- 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.
Rotarix is used to prevent rotavirus gastroenteritis in infants and young children, which can cause severe diarrhea, vomiting, fever, and dehydration. It is typically administered to babies starting at 2 months of age.
Rotarix contains live but weakened (attenuated) rotavirus strains. When administered orally, the vaccine stimulates the infant's immune system to produce antibodies against rotavirus, providing protection against future infection without causing the actual disease.
Rotarix is a brand-name vaccine and is not typically interchanged with other rotavirus vaccines. As with all vaccines, it may not provide complete protection in all recipients, and side effects such as irritability or mild diarrhea may occur. Parents should discuss the vaccination schedule and any concerns with their pediatrician, as there is a small associated risk of intussusception with rotavirus vaccines.
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