Engerix-B 20 mcg (Hepatitis B Surface Antigen (Recombinant) SUSPENSION) 20 MCG

Engerix-B 20 mcg is a hepatitis B vaccine designed to prevent hepatitis B infection. This recombinant suspension is administered intramuscularly and is suitable for individuals seeking protection against the hepatitis B virus.

Strength

20 MCG

Manufacturer / TM Owner

GLAXOSMITHKLINE INC

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Indications & Clinical Uses

Engerix-B 20 mcg is used to stimulate the production of antibodies against the hepatitis B virus. It is commonly administered to individuals who are at risk of contracting hepatitis B, such as healthcare workers, travelers to regions with high infection rates, and those with certain medical conditions. The vaccine is also used for routine immunization in infants and children to provide long-term protection against hepatitis B.

Side Effects

Common effects of Engerix-B 20 mcg may include mild soreness, redness, or swelling at the injection site. Some individuals may experience temporary fatigue, headache, or low-grade fever following vaccination. These effects are generally mild and resolve within a few days.

Precautions & Warnings

Engerix-B 20 mcg should be administered by a healthcare professional. Individuals with a history of severe allergic reactions to yeast or any component of the vaccine should avoid its use. It is important to inform your healthcare provider about any medical conditions or allergies before receiving the vaccine.

Avoid Interactions

Engerix-B 20 mcg may interact with certain medications that affect the immune system. It is advisable to consult a healthcare provider before taking this vaccine if you are on immunosuppressive therapy or have a compromised immune system. Additionally, avoid alcohol consumption immediately after vaccination to minimize potential side effects.

Frequently Asked Questions

Engerix-B 20 mcg is used to prevent hepatitis B infection by stimulating the production of antibodies against the virus.

Engerix-B 20 mcg is administered intramuscularly, typically in the upper arm or thigh, by a healthcare professional.

Common side effects may include mild soreness, redness, or swelling at the injection site, as well as temporary fatigue or low-grade fever.

Individuals with a history of severe allergic reactions to yeast or any component of the vaccine should avoid Engerix-B 20 mcg.

It is advisable to consult a healthcare provider before taking Engerix-B 20 mcg if you are on other medications, especially those that affect the immune system.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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