Is it possible to have an allergic reaction to the flu vaccine?

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It is possible, though rare, to have an allergic reaction to the flu vaccine. Symptoms of an allergic reaction will occur within minutes to a few hours of receiving the vaccine and may include trouble breathing, hives, dizziness, weakness and a rapid heartbeat. If you're allergic to eggs, you're at greater risk of an allergic reaction to the flu vaccine, because the vaccine is made from viruses grown in eggs. If you're allergic to eggs or have had a severe allergic reaction to the flu shot in the past, talk to your doctor before getting vaccinated again.
It is possible to get an allergic reaction from the flu shot, especially if you have an allergy to eggs. The flu vaccine is grown in chicken eggs, and people with these allergies may have a severe reaction. Reactions tend to occur quickly, and things to look for are difficulty breathing, swelling of the lips and face, and also rash. If you have had an allergic reaction to eggs or the flu vaccine in the past, you should talk to your doctor before getting the shot.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.