Immune System Reacting to a Food Based Reaction

By carolineansel

  • Step 1

    Step 1
    The person eats an allergen or substance for the first time. This causes an allergic reaction

  • Step 2

    Step 2
    IgE antibodies are then formed and attach themselves to different cells in the tissue all over the body. Next time the allergen is eaten, the body will be ready.

  • Step 3

    Step 3
    Allergen is eaten a second time.

  • Step 4

    Step 4
    The allergen binds to IgE antibodies.

  • Step 5

    Step 5
    Signals are sent out for the body to release large amounts of histamine.

  • Step 6

    Step 6
    Histamine causes irritation and swelling in certain areas of the body, an allergic reaction.