Blood Allergy Testing

Blood testing may be recommended by your NYC allergy specialist to measure the antibodies present in your blood. One common blood test in the field of allergy measures Immunoglobulin E (IgE). IgE is an antibody that your immune system develops in reaction to a specific allergen. Other relevant blood tests include radioallergosorbent testing (RAST), eosinophil counts, or immunoassay capture test (ImmunoCAP). 

This test is best used for those will skin conditions that cannot complete a skin prick or patch test. Allergy blood tests usually test for ten of the most common allergy triggers, including dust, pet dander, trees, grasses, weeds, and molds. It can also detect food allergies. 

What Allergies Are Tested With Blood Testing ?

● Dust 

● Pet Dander 

● Trees 

● Various Types of Grass 

● Weeds 

● Molds Related To Where You Live

What To Expect During Blood Testing

There are no special preparations for a blood test, which makes it a more convenient option for some. There is also less risk when taking this type of test. Since the allergist is drawing blood and not injecting an allergen, you will not experience an allergic reaction. Blood tests are recommended for people who must take certain medications daily. It is also the best option for those who suffer from severe skin conditions.

During a blood test, an NYC Allergist will insert a small needle and sample a small amount of blood from your vein in your arm. The blood test sample will then be collected in a vial (test tube). This process usually takes less than 5 minutes with minimal to no pain. 

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