Immune By w_charlotte Feb 7, 2016 The 2nd time the food allergen is eaten, the allergen binds to IgE antibodies Feb 8, 2016 a IgE antibody is formed Feb 9, 2016 It attaches itself to cells in the tissues in cells all over the body Feb 10, 2016 The person will eat a food allergen, but no reaction on the outside Feb 11, 2016 It sends out signals for the body to release large amounts of histamine Feb 12, 2016 Irritation and swelling in the body will occur