"Flu viruses are constantly changing so it's not unusual for new flu virus strains to appear each year. For more information about how flu viruses change, visit How the Flu Virus Can Change www.cdc.gov/flu/about/viruses/change.htm.
Severe Allergic Reactions
Do not administer FluMist Quadrivalent to persons who have had a severe allergic reaction (e.g., anaphylaxis) to any component of the vaccine [see DESCRIPTION] including egg protein, or after a previous dose of any influenza vaccine.
Concomitant Aspirin Therapy And Reye's Syndrome In Children And Adolescents
Do not administer FluMist Quadrivalent to children and adolescents through 17 years of age who are receiving aspirin therapy or aspirin-containing therapy because of the association of Reye's syndrome with aspirin and wild-type influenza infection [See DRUG INTERACTIONS].This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 11/3/2015
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