Allergy Test

An allergy test is an exam performed by a trained allergy specialist to determine if your body has an allergic reaction to a known substance. The exam can be in the form of a blood test, a skin test, or an elimination diet.

Allergies occur when your immune system, which isyour body’s natural defense, overreacts to something in your environment. For example, pollen, which is normally harmless, can cause your body to overreact. This overreaction can lead to:

Allergy tests involve exposing you to a very small amount of a particular allergen and recording the reaction.