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Hepatitis a virus vaccine intramusc.

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.


(hep-uh-TIE-tuss A vack-SEEN)



This medication is a vaccine given to persons over 2 years of age to prevent hepatitis A infection. This vaccine is recommended for persons traveling to areas where the risk of hepatitis A is high; for persons at increased risk due to their jobs, such as institutional or day care workers, animal handlers, lab workers, military personnel; IV drug abusers; residents of communities with an outbreak of hepatitis A. Discuss the risks and benefits of vaccination with your doctor.

How To Use

This medication is given by intramuscular injection into the upper arm by a health care professional. Shake well before injecting. Generally a single dose and a booster dose 6 to 12 months later are given.

Side Effects

Most common is burning, stinging, pain or redness at the injection site. Mild fever, fatigue, nausea, loss of appetite, headache or weakness occur infrequently. If any of these effects continue beyond two days or become bothersome, inform your doctor. Notify your doctor if you experience: high fever, trouble breathing, skin rash, dizziness, tingling of the hands or feet, muscle or joint pain. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor your medical history especially: illnesses or infections, blood disorders, immune system disorders, any allergies. This medication should be given during pregnancy only when clearly needed. Discuss the risks and benefits with your doctor. It is not known if this medication appears in breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of any over-the-counter or prescription medication you may take including: steroids, anti-cancer medications, immunosuppressants. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately.


Hepatitis A is a highly contagious virus that may cause liver disease. The virus is spread by contaminated food or water, infected food handlers, ingestion of raw shellfish from contaminated water, poor sanitary conditions, blood transfusions or sharing needles with infected persons.

Missed Dose

This is usually given as a one time dose. As with most medications, do not "double-up" the dose if a dose is missed.


This medication is stored in the refrigerator as directed.