Hepatitis A and B vaccine

Hepatitis A and B vaccine is a vaccine that combines protection against both hepatitis A and hepatitis B diseases. It is given as an injection into a muscle in the upper arm.

Indications

The Hepatitis A and B vaccine is indicated for active immunization against diseases caused by hepatitis A virus and all known subtypes of hepatitis B virus. This vaccine is approved for use in persons 18 years of age and older.

Contraindications

The vaccine is contraindicated in patients with a history of hypersensitivity to any component of the vaccine, including yeast and neomycin.

Side Effects

Common side effects of the Hepatitis A and B vaccine include soreness at the injection site, headache, tiredness, and dizziness. Severe allergic reactions are rare.

Dosage

The Hepatitis A and B vaccine is typically given in three doses over a six-month period.

Mechanism of Action

The vaccine works by causing the body to produce its own protection (antibodies) against these diseases.

Interactions

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Precautions

Before you receive the Hepatitis A and B vaccine, tell your healthcare provider if you:

• have any severe allergies
• have a severe illness with a fever
• are pregnant or plan to become pregnant
• are breastfeeding or plan to breastfeed

References

• Centers for Disease Control and Prevention
• World Health Organization

Hepatitis A and B vaccine Resources
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