Hepatitis a vaccine (intramuscular route)

Havrix, Havrix Pediatric, Vaqta, Vaqta Pediatric

Hepatitis A vaccine is used to prevent infection caused by the hepatitis A virus (HAV). The vaccine works by causing your body to produce its own protection (antibodies) against the disease. Hepatitis 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 adults and children 12 months of age and older to be vaccinated with hepatitis A vaccine when traveling to the following parts of the world: Immunization against hepatitis A disease is also recommended for adults and children 12 months of age and older who live in areas that have a high rate of hepatitis A disease or who may be at increased risk of infection from hepatitis A virus. These persons include: This vaccine is to be given only by or under the supervision of a doctor. This product is available in the following dosage forms:

In deciding to use a vaccine, the risks of taking the vaccine must be weighed against the good it will do. This is a decision you and your doctor will make. For this vaccine, the following should be considered: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully. Appropriate studies have not been performed on the relationship of age to the effects of hepatitis A vaccine in children younger than 12 months of age. Safety and efficacy have not been established. Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of hepatitis A vaccine in the elderly. Studies in women suggest that this medication poses minimal risk to the infant when used during breastfeeding. 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. When you are receiving this vaccine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. Receiving this vaccine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. The presence of other medical problems may affect the use of this vaccine. Make sure you tell your doctor if you have any other medical problems, especially: