About live attenuated varcella virus nlt pfu
Live attenuated varicella vaccine
Used for
- Prevention of chickenpox in people without immunity
- Post-exposure vaccination may prevent or lessen chickenpox
Usual adult dose
Two doses, 0.5 mL each, at least 4 weeks apart.
Usual dose in children
From 12 months: two 0.5 mL doses, usually at least 6 weeks apart; schedules vary by country.
Common side effects
- Injection-site pain, redness, or swelling
- Fever
- Chickenpox-like rash
- Irritability or headache
Important warnings
- Live vaccine; contraindicated in pregnancy and severe immune suppression.
- Avoid pregnancy for one month after vaccination.
- Delay vaccination during significant acute illness or fever.
- Avoid aspirin and salicylates for six weeks after vaccination in children.
Pregnancy
Contraindicated during pregnancy. Avoid pregnancy for one month after vaccination; inadvertent vaccination is not usually a reason to end pregnancy.
Breastfeeding
Generally considered compatible with breastfeeding; seek clinical assessment if a rash develops after vaccination.
Interactions
- Immunoglobulins or blood products may reduce vaccine effectiveness; timing separation is needed.
- Avoid other live vaccines unless given simultaneously or separated by at least four weeks.
- Recent antiviral medicines may reduce vaccine response.
- Immunosuppressive medicines increase risk from this live vaccine.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.