What are my chances of having an anaphylactic reaction after having the Flu vaccination? 

Last updated: 11/11/23
ANSWER BY: Dr Richard Dawood Medical Director
Date Added: 09/08/21

True anaphylactic reactions with vaccinations are exceedingly rare and sudden death from anaphylaxis is even more so. Any provider offering vaccinations should be well equipped with drugs that are effective treatments against anaphylaxis and have staff onsite trained to administer and monitor patients if a reaction were to occur – Fleet Street Clinic is no exception.

The vaccines may contain some components that cause allergic reactions, such as egg, but in such small quantities that it would be unlikely to happen for the first time during a flu vaccination. Everyone who attends for a flu jab is asked a series of screening questions to ensure that it is safe to administer the vaccine. Those with severe allergic reactions to egg for instance have alternative flu jabs available. If anything of risk is highlighted during your screening questions, our doctors and nurses will discuss your risk of anaphylaxis prior to vaccination and with your consent proceed with the most appropriate vaccination for you.

(We always bring more than one type of vaccine to each vaccination session.)

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