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.