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Step 1
A person eats a food that they are allergic too for the first time. -
Step 2
When the food is consumed, the body creates an antibody, or a protein that detects the harmful food. -
Step 3
The antibody attaches itself to cells found in tissues all over the body in order to prepare the body for the harmful substance in case it is consumed again -
Step 4
When the food renters the body, the allergen binds to the antibodies and sends out signals to the body to release large amounts of histamine. -
Step 5
The histamine causes skin irritation and swelling across the body. -
Step 6
The result of this irritation varies from hives, shortness of breath, and anaphylaxis.
