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Allergy blood tests look for substances in the blood. These are called antibodies. Your body makes them in response to allergens. Allergens are things that the body is allergic to.
There are many types of these blood tests. They include:
These blood tests are done to find out what things you are allergic to.
A health professional uses a needle to take a blood sample. It's most often done in the arm.
The results of allergy blood tests can take between 2 and 21 days.
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Adaptation Date: 8/19/2022
Adapted By: Alberta Health Services
Adaptation Reviewed By: Alberta Health Services
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