Allergy

Food Allergy Immune System Responce Timeline

  • Event 1

    Event 1
    Food is eaten for the first time
  • Event 2

    Event 2
    IgE antibodies are formed. Antibodies are proteins that detect potentially harmful substances.
  • Event 3

    Event 3
    Antibodies attach themselves to cell in tissue all over body
  • Event 4

    Event 4
    Food is eaten for the second time
  • Event 5

    Event 5
    Allergen binds to the IgE. An allergen is a substance that causes an allergic reaction
  • Event 6

    Event 6
    A signal is sent out to the body which will result in a large amount of histamine being released
  • Event 7

    Event 7
    Excess histamine causes irritation and swelling all over the body