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Flu (influenza, conventional, and H1N1) facts

  • Influenza, commonly called "the flu," is caused by viruses that infect the respiratory tract.
  • Influenza viruses are divided into three types, designated A, B, and C, with A types usually causing the most problems in humans.
  • Most people who get the conventional or seasonal flu recover completely in one to two weeks, but some people develop serious and potentially life-threatening medical complications, such as pneumonia.
  • Much of the illness and death caused by conventional or seasonal influenza can be prevented by annual influenza vaccination.
  • Influenza A undergoes frequent antigenic changes that require new vaccines to be developed and people to obtain a new vaccination every year. New vaccine technology is being developed.
  • In April 2009, a new flu virus termed novel H1N1 swine flu developed in Mexico, rapidly spread worldwide, and caused the WHO to de...

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Flulaval Consumer (continued)

SIDE EFFECTS: Soreness/redness/swelling/bruising at the injection site may occur and may last for up to 1-2 days. Fever, muscle aches, headache or weakness may also occur. If any of these effects continue beyond 2 days or become bothersome, inform your doctor.

If your doctor has directed you to receive this vaccine, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these rare but very serious side effects occur: mental/mood changes, seizures.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

Contact your doctor for medical advice about side effects. The following numbers do not provide medical advice, but in the US, you may report side effects to the Vaccine Adverse Event Reporting System (VAERS) at 1-800-822-7967. In Canada, you may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before receiving this vaccination, tell your doctor or pharmacist if you are allergic to it; or to eggs or chicken products; or to any other vaccines; or if you have any other allergies. This product may contain inactive ingredients (such as latex, preservatives like thimerosal found in some brands), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: any fever, uncontrolled seizures or other nervous system disorder (e.g., encephalopathy).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: bleeding disorders (e.g., hemophilia, thrombocytopenia), history of Guillain-Barre syndrome, immune system disorders (e.g., autoimmune disorders, radiation treatment), seizures (e.g., epilepsy controlled by medication, febrile seizures) or history of other nervous system disorders, vaccination history including previous reactions to any vaccines.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.

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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