Rabies is a serious disease. It is caused by a virus. Rabies is mainly a disease of animals. Humans get rabies when they are bitten by infected animals. Rabies vaccine can prevent rabies.
At first, there might not be any symptoms. But weeks, or even years after a bite, rabies can cause pain, fatigue, headaches, fever, and irritability. These are followed by seizures, hallucinations, and paralysis. Rabies is almost always fatal.
Wild animals, especially bats, are the most common source of human rabies infection in the United States. Skunks, raccoons, dogs, and cats can also transmit the disease.
Human rabies is rare in the United States. There have been only 55 cases diagnosed since 1990. However, between 16,000 and 39,000 people are treated each year for possible exposure to rabies after animal bites. Also, rabies is far more common in other parts of the world, with about 40,000 to 70,000 rabies-related deaths each year. Bites from unvaccinated dogs cause most of these cases.
Side Effects Of Rabies Vaccine
A vaccine, like any medicine, is capable of causing serious problems, such as severe allergic reactions. The risk of a vaccine causing serious harm, or death, is extremely small. Serious problems from rabies vaccine are very rare.
- soreness, redness, swelling, or itching where the shot was given (30% to 74%)
- headache, nausea, abdominal pain, muscle aches, dizziness (5% to 40%)
- hives, pain in the joints, fever (about 6% of booster doses)
- Other nervous system disorders, such as Guillain-Barré Syndrome (GBS), have been reported after the rabies vaccine, but this happens so rarely that it is not known whether they are related to the vaccine.
NOTE: Several brands of rabies vaccine are available in the United States, and reactions may vary between brands. Your provider can give you more information about a particular brand.
Warnings & Precautions
Talk with a doctor before getting rabies vaccine if you:
- ever had a serious (life-threatening) allergic reaction to a previous dose of rabies vaccine, or to any component of the vaccine; tell your doctor if you have any severe allergies.
- have a weakened immune system because of: HIV/AIDS or another disease that affects the immune system; treatment with drugs that affect the immune system, such as steroids; cancer, or cancer treatment with radiation or drugs.
- If you have a minor illness, such as a cold, you can be vaccinated. If you are moderately or severely ill, you should probably wait until you recover before getting a routine (non-exposure) dose of rabies vaccine. If you have been exposed to the rabies virus, you should get the vaccine regardless of any other illnesses you may have.
Dosage Of Rabies Vaccine
People at high risk of exposure to rabies, such as veterinarians, animal handlers, rabies laboratory workers, spelunkers, and rabies biologics production workers should be offered rabies vaccine.
The vaccine should also be considered for: (1) people whose activities bring them into frequent contact with rabies virus or with possibly rabid animals, and (2) international travelers who are likely to come in contact with animals in parts of the world where rabies is common.
The pre-exposure schedule for rabies vaccination is 3 doses, given at the following times: (1) Dose 1: As appropriate, (2) Dose 2: 7 days after Dose 1, and (3) Dose 3: 21 days or 28 days after Dose 1.
For laboratory workers and others who may be repeatedly exposed to rabies virus, periodic testing for immunity is recommended, and booster doses should be given as needed. (Testing or booster doses are not recommended for travelers.) Ask your doctor for details.
Anyone who has been bitten by an animal, or who otherwise may have been exposed to rabies, should see a doctor immediately. The doctor will determine if they need to be vaccinated.
A person who is exposed and has never been vaccinated against rabies should get 4 doses of rabies vaccine–one dose right away, and additional doses on the 3rd, 7th, and 14th days. They should also get another shot called Rabies Immune Globulin at the same time as the first dose.
A person who has been previously vaccinated should get 2 doses of rabies vaccine–one right away and another on the 3rd day. Rabies Immune Globulin is not needed.
Ask your doctor or other health care provider. They can give you the vaccine package insert or suggest other sources of information.
Call your local or state health department.
All information has been provided courtesy of MedLinePlus from the National Library of Medicine and from the FDA.