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A food allergen is eaten for the first time.
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a IgE antibody is formed and attaches itself to cells found in the tissues in cells all over the body. An antibody is a protein that detects harmful substances.
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Now the body is primed for that allergen if it enters the body again.
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The allergen is eaten again.
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The allergen binds to IgE antibodies and sends out signals for the body to release large amounts of histamine, which are compounds that trigger immune response.
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Irritation and swelling will occur in certain areas of the body, also known as an allergic reaction.
