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Event 1
Food is eaten for the first time -
Event 2
IgE antibodies are formed. Antibodies are proteins that detect potentially harmful substances. -
Event 3
Antibodies attach themselves to cell in tissue all over body -
Event 4
Food is eaten for the second time -
Event 5
Allergen binds to the IgE. An allergen is a substance that causes an allergic reaction -
Event 6
A signal is sent out to the body which will result in a large amount of histamine being released -
Event 7
Excess histamine causes irritation and swelling all over the body
