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In this Article

• What is influenza virus injectable vaccine (Fluzone)?
• What are the possible side effects of influenza virus injectable vaccine?
• What is the most important information I should know about this vaccine?
• What should I discuss with my healthcare provider before receiving this vaccine?
• How is this given?
• What happens if I miss a dose?
• What happens if I overdose?
• What should I avoid before or after receiving this vaccine?
• What other drugs will affect influenza virus injectable vaccine?
• Where can I get more information?

What should I discuss with my healthcare provider before receiving this vaccine?

Do not receive this vaccine if you have ever had an allergic reaction to a flu vaccine, or if you have:

• an active or uncontrolled neurologic disorder (such as Parkinson's disease, Alzheimer's disease, or epilepsy);
• a history of Guillain-Barré syndrome (especially if you had it within 6 weeks after having a flu vaccine); or
• if you are allergic to chicken or egg products.

Before receiving influenza virus vaccine, tell your doctor if you are allergic to any drugs, or if you have:

• a bleeding or blood clotting disorder such as hemophilia or easy bruising;
• a neurologic disorder or disease affecting the brain (or if this was a reaction to a previous vaccine);
• an allergy to latex rubber;
• a weak immune system caused by disease, bone marrow transplant, or by using certain medicines or receiving cancer treatments; or
• if you are taking a blood thinner such as warfarin (Coumadin).

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.

Vaccines may be harmful to an unborn baby and generally should not be given to a pregnant woman. However, not vaccinating the mother could be more harmful to the baby if the mother becomes infected with a disease that this vaccine could prevent. Your doctor will decide whether you should receive this vaccine, especially if you have a high risk of infection with influenza.

It is not known whether influenza virus vaccine passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

This vaccine should not be given to a child younger than 6 months old.

How is this given?

Some brands of this vaccine are made for use in adults and not in children. Your child's doctor can recommend the best influenza virus vaccine for your child.

This vaccine is given as an injection (shot) into a muscle. You will receive this injection in a doctor's office or other clinic setting.

You should receive a flu vaccine every year. Your immunity will gradually decrease over the 12 months after you receive the influenza virus vaccine. Children receiving this vaccine may need a booster shot one month after receiving the first vaccine.

The influenza virus vaccine is usually given in October or November. Some people may need to have their vaccines earlier or later. Follow your doctor's instructions.

Your doctor may recommend treating fever and pain with an aspirin-free pain reliever such as acetaminophen (Tylenol) or ibuprofen (Motrin, Advil, and others) when the shot is given and for the next 24 hours. Follow the label directions or your doctor's instructions about how much of this medicine to take.

It is especially important to prevent fever from occurring if you have a seizure disorder such as epilepsy.