Vaqta Dosage

Generic name: hepatitis a vaccine, inactivated
Dosage form: injection, suspension

This dosage information does not include all the information needed to use Vaqta safely and effectively. See full prescribing information for Vaqta.

The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

Dosage and Schedule

Children/Adolescents (12 months through 18 years of age): Vaccination consists of a primary 0.5-mL dose administered intramuscularly, and a 0.5-mL booster dose administered intramuscularly 6 to 18 months later.

Adults (≥19 years of age): Vaccination consists of a primary 1.0-mL dose administered intramuscularly, and a 1.0-mL booster dose administered intramuscularly 6 to 18 months later.

Interchangeability of the Booster Dose: A booster dose of VAQTA may be given at 6 to 12 months following the primary dose of another inactivated hepatitis A vaccine (i.e., HAVRIX1) [see Clinical Studies (14.6)].


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Registered trademark of GlaxoSmithKline

Method of Administration

For intramuscular use only.

  • Shake well to obtain a slightly opaque, white suspension before withdrawal and use.
  • Thoroughly agitate to maintain suspension of the vaccine.
  • Discard if the suspension does not appear homogenous or if extraneous particulate matter remains or discoloration is observed.

For adults, adolescents, and children older than 2 years of age, the deltoid muscle is the preferred site for intramuscular injection. For children 12 through 23 months of age, the anterolateral area of the thigh is the preferred site for intramuscular injection.

Single-Dose Vial Use

  • Withdraw dose of vaccine from the single-dose vial using a sterile needle and syringe.

Prefilled Syringe Use

The following are instructions for using the prefilled single-dose syringes:

  • Shake well before use.
  • Attach the needle by twisting in a clockwise direction until the needle fits securely on the syringe.
  • Administer the entire dose as per standard protocol as stated above under DOSAGE AND ADMINISTRATION.
  • Dispose of the syringe and needle in approved sharps container.
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