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Hepatitis A Vaccine Inactivated (Systemic)
In the U.S.-
Hepatitis (hep-ah-TY-tiss) A is a serious disease of the liver that can cause death. It is caused by the hepatitis A virus (HAV), and is spread most often through infected food or water. Hepatitis A may also be spread by close person-to-person contact with infected persons (such as between persons living in the same household). Although some infected persons do not appear to be sick, they are still able to spread the virus to others.
Hepatitis A is less common in the U.S. and other areas of the world that have a higher level of sanitation and good water and sewage (waste) systems. However, it is a significant health problem in parts of the world that do not have such systems. If you are traveling to certain countries or remote (out-of-the-way) areas, hepatitis A vaccine will help protect you from hepatitis A disease.
It is recommended that persons 2 years of age and older be vaccinated with hepatitis A vaccine when traveling to the following parts of the world:
Hepatitis A vaccine is also recommended for all persons 2 years of age and older who live in areas that have frequent outbreaks of hepatitis A disease or who may be at increased risk of infection from hepatitis A virus. These persons include:
Hepatitis A vaccine is to be used only by or under the supervision of a doctor. It is available in the following dosage form:
Before Using This Medicine
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For hepatitis A vaccine, the following should be considered:
Allergies- Tell your doctor if you have ever had any unusual or allergic reaction to hepatitis A vaccine. Also tell your health care professional if you are allergic to any other substances, such as preservatives.
Pregnancy- Studies on effects in pregnancy have not been done in either humans or animals. However, since the vaccine does not contain contagious particles, it is not expected to cause problems during pregnancy.
Breast-feeding- This vaccine has not been reported to cause problems in nursing babies.
Children- Hepatitis A vaccine is not recommended for infants and children younger than 2 years of age. For children 2 years of age and older, this vaccine is not expected to cause different side effects or problems than it does in adults.
Older adults- Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults. Although there is no specific information comparing use of hepatitis A vaccine in the elderly with use in other age groups, this vaccine is not expected to cause different side effects or problems in older people than it does in younger adults.
Other medicines- Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your health care professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.
Other medical problems- The presence of other medical problems may affect the use of hepatitis A vaccine. Make sure you tell your doctor if you have any other medical problems.
Proper Use of This Medicine
The dose of hepatitis A vaccine will be different for different patients. Follow your doctor's orders . The following information includes only the average doses of hepatitis A vaccine.
Side Effects of This Medicine
Side Effects of This Vaccine
Along with its needed effects, a vaccine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. It is very important that you tell your doctor about any side effects that occur after a dose of hepatitis A vaccine , even though the side effect may have gone away without treatment. Some types of side effects may mean that you should not receive any more doses of hepatitis A vaccine.
Get emergency help immediately if any of the following side effects occur:
Other side effects may occur that usually do not need medical attention. However, check with your doctor if any of the following side effects continue or are bothersome:
Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT