How do blood tests detect if you’re allergic to something? How does it work? 181 viewsJanuary 3, 2024 Question90.56K May 17, 2022 0 Comments Title In: 7 3 Answers ActiveNewestOldest Anonymous Posted May 17, 2022 0 Comments An allergy blood test measures a substance called immunoglobulin E (IgE) in your blood. IgE is an antibody that your body makes. If you have allergies, you may have more IgE in your blood than normal. You are viewing 1 out of 3 answers, click here to view all answers. Register or Login
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