how the immune system responds to a food based reaction

By gal.hadar115

  • Step 1- allergen

    Step 1- allergen
    A person eats an allergen, or substance that causes an allergic reaction for the first time.

  • Step 2- the IgE antibody is formed

    Step 2- the IgE antibody is formed
    When an individual eats the allergen, the body creates an antibody, defined as a protein that detects harmful substances.

  • Step 3- attachment

    Step 3- attachment
    This antibody attaches itself to the cells found in tissues all over the body in order to prepare the body in case that specific allergen enters the body once again.

  • Step 4- binding and signals

    Step 4- binding and signals
    The allergen binds to the antibodies and sends out signals to the body to release large amounts of histamine when the food allergen enters the body again

  • Step 5- irritation and swelling

    The histamine causes irritation and swelling in parts of the body.

  • Step 6- anaphylaxis

    Step 6- anaphylaxis
    The result of this irritation varies from person to person. Such reactions include the formation of mild hives, shortness of breath, or anaphylaxis.