What is Allergic Reaction?

Legal Definition
Allergic reactions are sensitivities to substances called allergens that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be breathed into the lungs, swallowed, or injected.
Legal Definition
An unusual response to an allergen. The body is attempting to fight off the strange substance. It can be mild or severe. Refer to intolerance.