What is Imovax?

Commonly Used Brand Name(s)Imovax Rabies, Rabavert

Therapeutic ClassificationsVaccine

OverviewTOP

Rabies vaccine is an active immunizing agent used to prevent infection caused by the rabies virus. The vaccine works by causing your body to produce its own protection (antibodies) against the rabies virus.

Rabies vaccine is used in two ways. Rabies vaccine is given to persons who have been exposed (e.g., by a bite, scratch, or lick) to an animal that is known, or thought, to have rabies. This is called post-exposure prophylaxis. Rabies vaccine may also be given ahead of time to persons who have a high risk of getting infected with rabies virus. These persons include veterinarians, animal handlers, or travelers who will spend more than 1 month in countries having a high rate of rabies infection, and persons who live, work, or take vacations in wild areas of the country where they are likely to come into contact with wild animals. This is called pre-exposure prophylaxis.

Rabies infection is a serious, and often fatal, infection. In the U.S., rabies in wild animals, especially raccoons, skunks, foxes, and bats, accounts for most cases of rabies passed on to humans, pets, and other domestic animals. In Canada, the animals most often infected with rabies are foxes, skunks, bats, dogs, and cats. Horses, swine, and cattle also have been known to become infected with rabies. In much of the rest of the world, including Latin America, Africa, and Asia, dogs account for most cases of rabies passed on to humans.

If you are being (or will be) treated for a possible rabies infection while traveling outside of the U.S. or Canada, contact your doctor as soon as you return to the U.S. or Canada, since it may be necessary for you to have additional treatment.

This vaccine is to be administered only by or under the supervision of your doctor or other health care professional.

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Proper UseTOP

You will receive this vaccine while you are in a hospital or clinic. A nurse or other trained health professional will give you this vaccine. The vaccine is injected into the upper arm muscle (deltoid). Very young or small children may have the vaccine injected into the upper leg (thigh) muscle.

If you are a veterinarian, work with animals, or will be going to a country where rabies is common, you are at risk for exposure to the rabies virus. If you are getting the vaccine because you are at risk of being exposed to rabies, you will receive 3 doses on 3 different days within a 1-month period.

If you have already received the vaccine in the past and have been exposed to the rabies virus, you will need to get 2 doses on 2 different days within a 1-month period.

If you have not yet received the vaccine and were exposed to the rabies virus, you will need a total of 5 doses on 5 different days within a 1-month period. You will also receive a shot of rabies immune globulin.

In order for the rabies vaccine to work properly, it is very important that you do not miss any doses. Keep your appointments with your doctor.

Missed DoseTOP

Call your doctor or pharmacist for instructions.

Before UsingTOP

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:

AllergiesTOP

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.

PediatricTOP

Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of rabies vaccine in children.

GeriatricTOP

No information is available on the relationship of age to the effects of rabies vaccine in geriatric patients.

PregnancyTOP

	Pregnancy Category	Explanation
All Trimesters	C	Animal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.

Breast FeedingTOP

Studies in women suggest that this medication poses minimal risk to the infant when used during breastfeeding.

Drug InteractionsTOP

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.

Chloroquine

Other InteractionsTOP

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.

PrecautionsTOP

It is very important that your doctor check you or your child's progress at regular visits to make sure that this vaccine is working properly. Blood tests may be needed to check for unwanted effects.

This medicine is made from donated human blood. There is a very small risk for the transmission of viral diseases. Human donors and donated blood are both tested for viruses to keep the transmission risk low. Talk with your doctor about this risk if you are concerned.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.