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- What is influenza nasal vaccine, and how does it work (mechanism of action)?
- What brand names are available for influenza nasal vaccine?
- Is influenza nasal vaccine available as a generic drug?
- Do I need a prescription for influenza nasal vaccine?
- What are the side effects of influenza nasal vaccine?
- What is the dosage for influenza nasal vaccine?
- Which drugs or supplements interact with influenza nasal vaccine?
- Is influenza nasal vaccine safe to take if I'm pregnant or breastfeeding?
- What else should I know about influenza nasal vaccine?
What is influenza nasal vaccine, and how does it work (mechanism of action)?
FluMist is a nasal vaccine that protects against infection with the influenza virus or the "flu." FluMist contains live influenza virus that has been weakened so that it causes minimal or no symptoms. When FluMist is inhaled, the body responds to the weakened viruses in FluMist by developing antibodies that fight influenza viruses. These antibodies protect against later infections by the naturally-occurring influenza virus.
FluMist is effective only against the strains of influenza virus that are included in it, and the strains of virus change from year to year. FluMist has no effect on the flu once infection has begun. FluMist should be given shortly before the flu season begins to allow time for antibodies to be produced and for protection throughout the entire flu season.
FluMist and FluMist Quadrivalent are similar except for the addition of one additional virus strain to Flumist Quadrivalent. FluMist is a trivalent vaccine because it has three flu virus strains (two type A viruses and one B type) and FluMist Quadrivalent has four virus strains (two A type and two B types).
The FDA approved FluMist in June 2003 and FluMist Quadrivalent in February 2012.
What brand names are available for influenza nasal vaccine?
FluMist, FluMist Quadrivalent
Is influenza nasal vaccine available as a generic drug?
GENERIC AVAILABLE: No.
Do I need a prescription for influenza nasal vaccine?
What are the side effects of influenza nasal vaccine?
The most common side effects of FluMist are:
- runny nose,
- nasal congestion,
- sore throat,
- muscle aches,
- tiredness or weakness,
- chills, and
Other important side effects includes:
Hypersensitivity reactions also have been reported.
Quick Guide10 Foods to Eat When You Have the Flu in Pictures
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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Use the pill identifier tool on RxList.