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Challenge Test

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Accurate Allergy Diagnostic Test

A challenge, or challenge test, is a highly accurate diagnostic test for allergies which is sometimes performed even after a skin prick and blood tests. For example, our allergists may order the test to find out if a patient has truly outgrown a food allergy.

A challenge consists of a very small amount of an allergen being inhaled or taken by mouth little by little. Following each dose, you are observed for a period of time for any signs of a reaction. If there are no symptoms, you will gradually receive increasingly larger doses. If you show any signs of a reaction, the challenge will be stopped.

Challenges are done mostly with potential food or medication allergies. It is very important that they be supervised by a physician with specialized training and experience, such as an allergist, should a reaction occur.