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Can the flu shot have severe side effects?

ANSWER

Serious side effects from the flu shot are rare. If you do get them, it should be within a few minutes to a few hours after you get the shot. Call 911 and get emergency help right away if you have trouble breathing, hives, feel weak or dizzy, or have a fast heartbeat after you get it.

SOURCES:

CDC: "Estimating Seasonal Influenza-Associated Deaths in the United States: CDC Study Confirms Variability of Flu," “Key Facts About Seasonal Flu Vaccine.”

Flu.gov. 

American Lung Association.

National Institute of Allergy and Infectious Diseases: "Flu (Influenza): Prevention."

National Jewish Medical and Research Center: "Is it better to use a flu inhaler or get a flu shot?"

American Lung Association: "Cold and Flu Guidelines: Influenza."

FDA: "Influenza: Vaccination Still the Best Protection."

MedlinePlus: "Flu," "Common Cold."

GlaxoSmithKline.

Flu Near You website.

News release, American College of Allergy, Asthma and Immunology.

Reviewed by Neha Pathak on July 12, 2017

SOURCES:

CDC: "Estimating Seasonal Influenza-Associated Deaths in the United States: CDC Study Confirms Variability of Flu," “Key Facts About Seasonal Flu Vaccine.”

Flu.gov. 

American Lung Association.

National Institute of Allergy and Infectious Diseases: "Flu (Influenza): Prevention."

National Jewish Medical and Research Center: "Is it better to use a flu inhaler or get a flu shot?"

American Lung Association: "Cold and Flu Guidelines: Influenza."

FDA: "Influenza: Vaccination Still the Best Protection."

MedlinePlus: "Flu," "Common Cold."

GlaxoSmithKline.

Flu Near You website.

News release, American College of Allergy, Asthma and Immunology.

Reviewed by Neha Pathak on July 12, 2017

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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