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Step 1
A food allergen is eaten for the first time. -
Step 2
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. -
Step 3
Now the body is primed for that allergen if it enters the body again. -
Step 4
The allergen is eaten again. -
Step 5
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. -
Step 6
Irritation and swelling will occur in certain areas of the body, also known as an allergic reaction.