Hepatitis A Adult Vaccine Dosage

Medically reviewed by Drugs.com. Last updated on May 2, 2025.

Usual Adult Dose for Hepatitis A Prophylaxis

1 mL intramuscularly

• Administer a booster 1 mL dose 6 to 18 months after the first dose

Comments:

• Administer in the deltoid region

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Precautions

CONTRAINDICATIONS:

• Hypersensitivity to any of the ingredients including neomycin
• Hypersensitivity to previous hepatitis A vaccination

Safety and efficacy have not been established in patients younger than 1 year.

To report suspected adverse reactions, contact the Vaccine Adverse Event Reporting System (VAERS) at: https://vaers.hhs.gov

Consult WARNINGS section for additional precautions.

Dialysis

Data not available.

Other Comments

Administration advice:

• For intramuscular use only.
• Do not administer in the gluteal area as a suboptimal response may occur.
• Do not administer intravenously, intradermally, or subcutaneously.
• Primary immunization should be given at least 2 weeks prior to expected exposure to hepatitis A.

Storage requirements:

• Refrigerate; do not freeze

Reconstitution/preparation techniques:

• Shake well before use.

See also:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer