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      Frequently Asked Questions About Celiac Disease   09/30/2015

      This Celiac.com FAQ on celiac disease will guide you to all of the basic information you will need to know about the disease, its diagnosis, testing methods, a gluten-free diet, etc.   Subscribe to FREE Celiac.com email alerts What are the major symptoms of celiac disease? Celiac Disease Symptoms What testing is available for celiac disease? - list blood tests, endo with biopsy, genetic test and enterolab (not diagnostic) Celiac Disease Screening Interpretation of Celiac Disease Blood Test Results Can I be tested even though I am eating gluten free? How long must gluten be taken for the serological tests to be meaningful? The Gluten-Free Diet 101 - A Beginner's Guide to Going Gluten-Free Is celiac inherited? Should my children be tested? Ten Facts About Celiac Disease Genetic Testing Is there a link between celiac and other autoimmune diseases? Celiac Disease Research: Associated Diseases and Disorders Is there a list of gluten foods to avoid? Unsafe Gluten-Free Food List (Unsafe Ingredients) Is there a list of gluten free foods? Safe Gluten-Free Food List (Safe Ingredients) Gluten-Free Alcoholic Beverages Distilled Spirits (Grain Alcohols) and Vinegar: Are they Gluten-Free? Where does gluten hide? Additional Things to Beware of to Maintain a 100% Gluten-Free Diet Free recipes: Gluten-Free Recipes Where can I buy gluten-free stuff? Support this site by shopping at The Celiac.com Store.

Which Test?
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3 posts in this topic

which allergy test is better? Is it blood or prick test? I need one done but not sure which one is better.

thank you

lisa

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which allergy test is better? Is it blood or prick test? I need one done but not sure which one is better.

thank you

lisa

They test for different immune responses, so neither one is better. They are just different. The prick tests will show immediate, IgE-mediated allergies (sneezing, hives, etc. immediately after encountering the allergen). The blood tests show delayed onset (I've seen different ranges for the time period -- 20 minutes to 2 hours on the low end, one to two days on the high end -- meaning this is how long it takes before you have a reaction), IgG-mediated allergies (some call these sensitivities instead), which can also cause gastrointestinal and other problems. I know you can have the IgG reaction without the IgE one; I don't know if the reverse is true.

I wish I'd know all this back when I had allergy testing. I got lots of pricks and nothing reacted. I was told I had "nonallergic rhinitis" (doctor speak for your body acts like it has an allergy, but I can't find one). Antihistimines worked on me, even though they are only supposed to work for "allergies." Years later I give up wheat for intestinal reasons -- and my perennial runny nose and periodic sneezing fits go away in two days.

I guess which type of testing you do depends on the symptoms you are experiencing. You could always do both.

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I was told by several Drs. that neither one was any better. But to call our insurance first to make sure that they did not cover one and not the other. One Dr. also said since her dad didn't believe in allergies, for us, the prick test would be best because hopefully once he saw the swelling he'd believe that she was in fact suffering. Alas, his reaction was to say he felt we would all swell like that. He still doesn't believe.

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