About hepatitis a vaccine
Inactivated hepatitis A vaccine
Used for
- Prevention of hepatitis A in people aged 12 months and older
Usual adult dose
Adults: one intramuscular dose, followed by a second dose 6–12 months later.
Usual dose in children
Children aged 1–18 years: one intramuscular dose, followed by a second dose 6–12 months later.
Common side effects
- Injection-site soreness or redness
- Headache
- Tiredness
- Mild fever or nausea
Important warnings
- Do not use after a severe allergic reaction to a previous dose or vaccine component.
- May not protect people already infected or exposed shortly before vaccination.
- People with weakened immune systems may respond less strongly.
- Not given into a vein.
Pregnancy
Limited information; use when protection is needed and expected benefits outweigh potential risks.
Breastfeeding
Not expected to pose a risk; hepatitis A vaccine can be given while breastfeeding.
Interactions
- Immune globulin can reduce the vaccine response; timing may need adjustment.
- Other vaccines can generally be given at the same visit, 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 It may be incomplete or out of date.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.