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A food allergy is when the body’s immune system reacts unusually to specific foods. Although allergic reactions are often mild, they can be very serious.

Symptoms of a food allergy can affect different areas of the body at the same time. Some common symptoms include:

  • an itchy sensation inside the mouth, throat or ears
  • a raised itchy red rash (urticaria, or “hives”)
  • swelling of the face, around the eyes, lips, tongue and roof of the mouth (angioedema)
  • vomiting
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