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Allergy blood tests look for substances (antibodies) in the blood that the body makes in response to allergens. Allergens are things that the body is allergic to.
There are several types of allergy blood tests, such as:
Allergy blood tests are done to find out what things you are allergic to.
A health professional uses a needle to take a blood sample, usually from the arm.
The results of allergy blood tests are usually available in about 7 days.
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Current as of: February 10, 2021
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine & Rohit K Katial MD - Allergy and Immunology
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