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.
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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
Where can I buy gluten-free stuff?
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I second cycling lady here, you should not go gluten free unless your doctor confirms you have celiac disease via the blood test and a biopsy. You need to be eating gluten for the testing to be accurate so a 30 day trial based on the gene is a REALLY bad idea, getting back on gluten for the testing is a nightmare once out of your system.
Also going gluten free, what are you eating? If your eating just a bunch of gluten-free foods that are processed like the pre made breads, foods etc. your on the wrong path. Those are normally non enriched and more like junk food/comfort food. You need to eat a whole foods diet, of various greens, meats, nuts, seeds, (fruit if you can have it and sweet potatoes). etc. Doing this will boost your healing and you and introduce some of those processed foods later on sometimes.
If you have celiac disease then your intestines are probably damaged and you will need to supplement some nutrients, we all have common ones like magnesium, iron, b-vitamins, folate, potassium, D etc. and you should talk to a good doctor about what your missing. The whole out of it things sounds like b-vitamins to me.
Another point is going gluten free, you have to be careful for CC if your a celiac, after removing gluten re exposure to gluten makes your symptoms MUCH worse, and the tend to change and evolve in addition. Be sure to check the Newbie 101, your pretty much have to replace most of your cookware, condiments, etc. https://www.celiac.com/gluten-free/topic/91878-newbie-info-101/
Do you still consume gluten and/or dairy? If so, I highly recommend that you eliminate both entirely. That includes anything with the ingredients; whey powder, casein, "lactose free" can be misleading as well. I also recommend taking a good probiotic regularly.
I use Garden of Life brand for Mood. I buy it in the refrigerated section at Whole Foods. I also recommend double doses of B vitamin for a stint.
However, you should have a full work up done by a neurologist, if you haven't already. Assuming everything comes back negative then I highly recommend trying these few things.
I hope you can find answers and start feeling healthy again.
I suggest researching Mast Cell Activation Syndrome or EOE.
Also, Benadryl crosses the blood brain barrier and there have been long-term complications. Talk to your doctor about using another antihistamine. If your reactions have been anaphylactic, you should have an epi pen. I hope you feel better soon!
Yikes, first I would suggest that you consider a new doctor. Your doctor gave you some pretty bad advice biased on your posting.
The celiac gene is common. Some 30% or more of the population carries the genes that could develop into celiac disease. Are you sure it was not an antibodies test? Telling you to go gluten free for a 30 day trial is another huge error. Often they takes months to years for a celiac to recover. A celiac is diagosed by blood tests and small intestinal biopsies obtained via an endoscopy. There are times when an endoscopy is skipped because if financial reasons, too ill or long wait times.
Learn more at the University of Chicago's celiac website which is very informative and well-recognized.