Hepatitis B vaccine: how to take it safely
Engerix-B, Euvax B
Reviewed by Pharm. Abeeb Junior
What it is for
Prevents hepatitis B infection, which can damage the liver and cause liver cancer.
How to take it
It is given as an injection into the upper arm or thigh by a health worker.
When to take it
The first dose is given at birth for babies, then further doses as your clinic schedule says. Adults usually have 3 doses over 6 months.
Take it with
Not applicable.
What to avoid
- Having it if you have had a severe allergic reaction to a previous dose or to a vaccine ingredient.
- Having it if you have a high fever or are very unwell. Wait until you recover.
- Missing doses. Keep the vaccination card safe.
Possible side effects
Sore, red or swollen arm or thigh, mild fever, tiredness, fussiness in babies.
Get help if
Swelling of the face or lips, trouble breathing, a widespread rash, fainting or a seizure: get emergency help. High fever for more than 3 days: see a doctor.
This is general information, not personal medical advice. Always follow your doctor's or pharmacist's instructions and read the leaflet that comes with your medicine. Medicines and doses can differ between products and people.