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A person eats an allergen, or substance that causes an allergic reaction, and an overall negative response internally and externally.
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When the allergen is digested, the body creates an antibody, or a protein that detects harmful substances.
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The antibody attaches itself to cells found in tissues all over the body in order to prepare it for any other attacks from that allergen.
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When the food allergen is digested into the again, the allergen binds to the antibodies and sends out signals to the body to release large amounts of histamine.
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Irritation and swelling occur in certain parts of the body in result from the histamine.
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Depending on how severe the allergy was, certain symptoms begin. Hives, itchiness, breathing problems, rash, or a fever.
