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Yellow Fever Vaccine

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Yf-Vax

Yf-Vax

Yf-Vax Patient Information Including Side Effects

Brand Names: YF-Vax

Generic Name: yellow fever vaccine (Pronunciation: YEL oh FEE ver)

What is yellow fever vaccine (Yf-Vax)?

Yellow fever is a serious disease caused by the yellow fever virus. Yellow fever is spread through the bite of an infected mosquito. It cannot be spread from person to person. Yellow fever can cause fever and flu-like illness, jaundice (yellowing of the eyes and skin), liver failure, respiratory failure, kidney failure, vomiting of blood, and possibly death. The yellow fever vaccine exposes the individual to a small amount of the virus (or to a protein from the virus) and causes the body to develop immunity to the disease.

Yellow fever is carried and spread by mosquitos.

The yellow fever vaccine is used to help prevent this disease in adults and children who are at least 9 months old.

This vaccine works by exposing you to a small dose of the virus, which causes the body to develop immunity to the disease. This vaccine will not treat an active infection that has already developed in the body.

This vaccine is recommended for people who plan to live in or travel to areas where yellow fever is known to exist, or where an epidemic has recently occurred. The vaccine should also be given to people who will spend any amount of time in rural areas where yellow fever is endemic, or those who are otherwise at high risk of coming into contact with the virus.

You should receive the vaccine and all booster doses at least 10 days prior to your arrival in an area where you may be exposed to the virus.

This vaccine is also recommended for people who work in a research laboratory and may be exposed to yellow fever virus through needle-stick accidents or inhalation of viral droplets in the air.

Like any vaccine, the yellow fever vaccine may not provide protection from disease in every person.

What are the possible side effects of this vaccine (Yf-Vax)?

You should not receive a booster vaccine if you had a life-threatening allergic reaction after the first vaccine.

Keep track of any and all side effects you have after receiving this vaccine (for up to 30 days after the shot). If you ever need to receive a booster dose, you will need to tell the doctor if the previous dose caused any side effects.

Becoming infected with yellow fever is much more dangerous to your health than receiving the vaccine to protect against it. Like any medicine, this vaccine can cause side effects, but the risk of serious side effects is extremely low.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

  • flu symptoms, stiff neck or back, vomiting, confusion, memory loss, irritability, loss of balance or coordination;
  • problems with speech or vision, sensitivity to light, muscle weakness or paralysis, seizure (black-out or convulsions);
  • behavior changes; or
  • seizure (black-out or convulsions).

Less serious side effects include:

  • redness, pain, swelling, or a lump where the shot was given;
  • low fever;
  • joint pain, body aches;
  • flu-like symptoms; or
  • mild rash.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report vaccine side effects to the US Department of Health and Human Services at 1-800-822-7967.

Read the Yf-Vax (yellow fever vaccine) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about this vaccine (Yf-Vax)?

Yellow fever vaccine is for use in adults and children who are at least 9 months old. The vaccine is given every 10 years to people who are at risk of exposure to yellow fever. Your individual booster schedule may be different from these guidelines. Follow your doctor's instructions or the schedule recommended by your local health department or the Centers for Disease Control and Prevention (CDC).

You can still receive a vaccine if you have a cold or fever. In the case of a more severe illness with a fever or any type of infection, wait until you get better before receiving this vaccine.

You should not receive a booster vaccine if you had a life-threatening allergic reaction after the first shot.

Keep track of any and all side effects you have after receiving this vaccine. When you receive a booster dose, you will need to tell the doctor if the previous shots caused any side effects.

Becoming infected with yellow fever is much more dangerous to your health than receiving the vaccine to protect against it. Like any medicine, this vaccine can cause side effects, but the risk of serious side effects is extremely low.

Side Effects Centers
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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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