MedicinePOM

Hepatitis B surface antigen Strength: 20 µg

A vaccine that protects against infection by all known subtypes of hepatitis B virus.

Clinical information

Common uses

immunisation against hepatitis B

Common side effects

soreness at the injection site
fatigue

Cautions

not after a severe allergic reaction to hepatitis B vaccine or yeast
fainting can occur after the injection
vaccination may be deferred in very small premature babies

Pregnancy: available data show no increased risk in pregnancy

Reference information, not medical advice — always follow your doctor or pharmacist. Source: DailyMed, dailymed.nlm.nih.gov, Engerix-B (hepatitis B vaccine, recombinant) label, setid 2ec65f7e-4aa2-4b41-b578-885ea59d6e9d (accessed 2026-08-16)

Approved brands & formulations5

Brand name	Dosage form	Strength	Importer	Category
Engerix-B 20	Parenteral ( pre-filled syringe injection)	1 dose (1ml) contains HBsAg 20µg	State Trading Organization Plc	POM
Hepatitis B Vaccine (rDNA) (Adult)	Parenteral ( Vaccine )	20mcg/1ml ( 10 doses in 10ml vial )	ADK Pharmaceutical Company Pvt. Ltd	POM
Hepatitis B Vaccine (rDNA) (Adult)	Parenteral ( Vaccine )	20mcg/1ml ( 1 dose in 1ml vial )	ADK Pharmaceutical Company Pvt. Ltd	POM
Hepatitis B Vaccine (rDNA) (Paediatric)	Parenteral ( Vaccine )	10mcg/0.5ml (1 dose in 0.5ml vial )	ADK Pharmaceutical Company Pvt. Ltd	POM
Hepatitis B Vaccine (rDNA) (Paediatric)	Parenteral ( Vaccine )	10mcg/0.5ml (10 doses in 5ml vial )	ADK Pharmaceutical Company Pvt. Ltd	POM