Varicella Vaccine
Varivax is a live attenuated vaccine that provides protection against chickenpox (varicella). It is recommended for children 12 months of age and older, as well as susceptible adults who have not had chickenpox or been previously vaccinated. The vaccine helps the immune system develop protection against the varicella-zoster virus, reducing the risk of infection and potential complications.
Varivax is a chickenpox vaccine that protects against varicella infection in children and susceptible adults through active immunization.
Key facts at a glance
- RxNorm
- 287578
- Generic
- Varivax
- 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.
Prevention of varicella (chickenpox) in children 12 months of age and older, and in susceptible adults who have not had chickenpox or been vaccinated previously.
Contains live but weakened (attenuated) varicella-zoster virus that stimulates the immune system to produce antibodies, providing active immunity against the disease without causing actual chickenpox infection.
Administered as a subcutaneous injection, typically in two doses for optimal protection. Contraindicated in immunocompromised individuals and during pregnancy. Common side effects may include injection site reactions, fever, and mild rash. Individuals should avoid contact with susceptible high-risk individuals if a rash develops post-vaccination.
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 25, 2026. · Read our editorial policy