About purified hepatitis b surface antigen
Recombinant hepatitis B vaccine
Used for
- Prevention of hepatitis B infection.
Usual adult dose
Usually 1 mL by injection at 0, 1, and 6 months; schedules vary by risk and local guidance.
Usual dose in children
Usually 0.5 mL by injection at 0, 1, and 6 months; schedules vary by age and local guidance.
Common side effects
- Injection-site pain, redness, or swelling
- Headache
- Fatigue
- Mild fever
Important warnings
- Do not use after a severe allergic reaction to a previous dose or vaccine component.
- Vaccination may not protect people already infected with hepatitis B.
- Use the correct formulation and dose for age; schedules can differ by country.
Pregnancy
Not a live vaccine. Use when hepatitis B vaccination is indicated; pregnancy alone is not a reason to delay it.
Breastfeeding
Can be given during breastfeeding when vaccination is indicated.
Interactions
- Immune-suppressing treatments may reduce the vaccine response.
- May be given with other vaccines at separate injection sites.
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 It may be incomplete or out of date.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.