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Enter
Pollen, lactose, cat dander, etc. enters the body -
Identify
Your immune system indentifies the the foreign object as an invader or allergen. -
Overreaction
Immune system overreacts by producing antibodies. These antibodies are called Immunoglobulin. -
Travel
The antibodies travel to cells that release chemicals. -
Reaction
The chemical that are released cause an allergic reaction. -
Symptoms
This reaction in your body usually cause symptoms in the nose, throat, skin, ears, eyes, sinuses, or the stomach.