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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 What if my doctor won't listen to me? An Open Letter to Skeptical Health Care Practitioners Gluten-Free recipes: Gluten-Free Recipes Where can I buy gluten-free stuff? Support this site by shopping at The Celiac.com Store.

Fructose Intolerances -- What Does The Medical Literature Say?
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Kareng brought up a good point on a different post -- what exactly does the medical literature say about problems eating fructose for people diagnosed with celiac? Some of us have it, but most don't. Is it a leaky gut thing? Is it a different genetic condition? Is there even a third factor that I can't think of right now that might be causing it?

The question spurred me on to better PubMed keyword searching. I think I ID'd some of the key stuff. It's sparse, though, and a lot of it offers no evidence, but just states it as current medical doctrine. Perhaps I can't find better stuff because I don't have a PubMed subscription and lack basic literacy in reading medical studies? I knew I should have taken BioChem in college, but noooo, I wanted to learn Italian.

Anyway, if anyone thinks they may have a severe issue with fructose, please PM me and I can talk with you offline about the fructose stuff, which has a good body of research behind it and a nice group of folks online who can answer questions on it. There's dietary (DFI or fructose malabsorption) and HFI (the scary one that's genetic and causes liver damage). They're basically analgamous to gluten intolerance vs celiac -- both suck but one's proven to be genetic and is more restrictive.

Here's the stuff connecting them that I could find:

Etiology of nonresponsive celiac disease: results of a systematic approach.

"Additional diagnoses accounting for persistent symptoms included: pancreatic insufficiency, irritable bowel syndrome, bacterial overgrowth, lymphocytic colitis, collagenous colitis, ulcerative jejunitis, T-cell lymphoma, pancreatic cancer, fructose intolerance, protein losing enteropathy, cavitating lymphadenopathy syndrome, and tropical sprue."

(http://www.ncbi.nlm.nih.gov/pubmed/12190170)

The prevalence and causes of chronic diarrhea in patients with celiac sprue treated with a gluten-free diet.

"The causes of diarrhea in 11 patients consenting to this study were microscopic colitis, steatorrhea secondary to exocrine pancreatic insufficiency, dietary lactose or fructose malabsorption, anal sphincter dysfunction causing fecal incontinence, and the irritable bowel syndrome."

via http://listserv.icors.org/scripts/wa-icors.exe?A2=ind0312C&L=CELIAC&F=&S=&P=66360

Celiac (NIH "Gene Review")

"Consultation with an expert dietician to analyze the diet for hidden sources of gluten and to evaluate for lactose or fructose intolerance, which can contribute to poor clinical response to a gluten-free diet...•Assessment for lactose or fructose intolerance is important because these conditions can be responsible for lack of response to the gluten-free diet [Green & Jabri 2003]."

http://www.ncbi.nlm.nih.gov/books/NBK1727/

The Green & Jabri reference is here, but the abstract doesn't help: 30.Green PH, Jabri B. Coeliac disease. Lancet. 2003;362:383–91. [PubMed: 12907013] (http://www.ncbi.nlm.nih.gov/pubmed/12907013)

And two interesting studies (one just a case study) on cooexisting celiac and hereditary fructose intolerance. Yikes! I had thought this was too crazy a hypothesis to be really that likely for me, but it's apparently within the realm of possibilities:

Non responsive celiac disease due to coexisting hereditary fructose intolerance

"An association between these two distinct genetic gastrointestinal disorders is important as treatment failure of celiac disease calls for careful evaluation for hereditary fructose intolerance"

(http://www.ncbi.nlm.nih.gov/pubmed/22461154)

And from the flip side --

Hereditary fructose intolerance and celiac disease: a novel genetic association

"The possibility of an association between these 2 gastrointestinal disorders is important, particularly in the management of HFI patients with persisting symptoms."

(http://www.ncbi.nlm.nih.gov/pubmed/16630753)

Anyone have better research on this than I could find?

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