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What are the symptoms of food allergy?

ANSWER

A food allergy happens when your immune system mistakes something in food as harmful and attacks it. It can affect your whole body, not just your stomach. Symptoms may include:

  • Rash, hives, or itchy skin
  • Shortness of breath
  • Chest pain
  • Sudden drop in blood pressure, trouble swallowing or breathing -- this is life-threatening. Call 911 immediately.

From: Food Allergy, or Something Else? WebMD Medical Reference

SOURCES: 

News conference, National Institute of Allergy and Infectious Diseases, Dec. 3, 2010.

National Institute of Allergy and Infectious Diseases. 

The Food Allergy Initiative.

Reviewed by Nayana Ambardekar on November 17, 2018

SOURCES: 

News conference, National Institute of Allergy and Infectious Diseases, Dec. 3, 2010.

National Institute of Allergy and Infectious Diseases. 

The Food Allergy Initiative.

Reviewed by Nayana Ambardekar on November 17, 2018

NEXT QUESTION:

What are common triggers of food allergies?

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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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