<<Disclaimer: Verify this information before applying it to your situation.>> Thanks for the many responses. Mouth sores can be due to: Deficiencies in zinc, riboflavin, Vitamin C, Vitamin K , Vitamin B12 dinking/eating citrus foods, taking too much Vitamin C, eating sweets not rinsing your mouth after taking inhalers for asthma herpes, bacterial infection, viral infection, gum or tooth problems (ask for the oral cancer screenings that are included in dental checkups), candida albicans overgrowth. Lichen Planus (inflammation of mucosal lining, determined by a biopsy, probably related to celiac, nothing to worry about) food allergies They are also caused my MANY auto-immune diseases and occur with ulcerative colitis, IBS, Chrone's disease, class of arthritis called the spondyloarthropathies (ankylosing spondylitis and Reiter's syndrome. They are of a symptom of a general inflammatory process in the gastrointestinal tract. Technically any inflammatory process in the gastrointestinal tract (which extends from the mouth to the anus) contribute to these ulcers, so in Celiacs it might be intestinal inflammation from wheat, barley, rye, oats, soy or corn that triggers a general immune system response anywhere in the GI tract, including the mouth, in the form of sores. Think of the ulcers as the mouth end warning just as diarrhea is the warning on the other end. Things that help: 1)add l-lysine to your diet. Available in tablets, Nature Maid makes g.f. ones. It's one of the 11 essential amino acids--your body can't make it!--and it is often in short suppy in g.f. diets. ; 2) takeprobiotics complex with each meal and NATRRUM MUR 30C, a homeopathic remedy for those kind of sores; 3) if you have food allergies a lab in Fla. does food allergy blood tests via the mail, and they have a money back guarantee if you don't get better in 3 months! Call Lisa Durrow at Better Health U.S.A. at 1-800-684-2231, ext: 6251. Websites referred: http://dentistry.ouhsc.edu/intranet-Web/ContEd/OPCE/Types.html http://www.saveyoursmile.com/cankersorerelief/dzcankersores1.html www.betterhealthusa.com for food allergy symptoms ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/web/. *Please provide references to back up claims of a product being GF or not GF*