-
step 1
person eats an allergen or substance that causes an allergic reaction for the first time -
step 2
after the person eats the allergen, the body will then create an antibody/protien that finds other harmful substances -
step 3
the antibody attaches itselft to cells found in tissues throughout the body so it can prepare the body for if/when that allergen enters the body again -
step 4
after entering again, it binds to the antibodies and sends out signals to release large amounds of histamine -
step 5
the histamine then causes irritation and swelling in differnet parts of the body -
step 6
irritation varies among people (mild hives, shortness of breath, anaphylaxis)