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Food Allergy

Basics

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Definition

A food allergy is an exaggerated immune response triggered by eggs, peanuts, milk, or some other specific food.

Symptoms

Symptoms usually begin immediately, within 2 hours after eating. Rarely, the symptoms may begin hours after eating the offending food.

If you develop symptoms shortly after eating a specific food, you may have a food allergy. Key symptoms include hives, hoarse voice, and wheezing.

Other symptoms that may occur include:

Symptoms of oral allergy syndrome:

  • Itchy lips, tongue, and throat
  • Swollen lips (sometimes)
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