What if you are eating GF strict yet still having tummy troubles? You might have refractory cd and if you do, here's a med that you can introduce to your doc.
(Personally, I am checking out colostrum as a food supplement before I resort to drugs, but whatever.)
From: Digestive Health Smart Brief: American College of Gastroenderology
ACG: More Celiac Disease May Be Refractory
Pub. Med's article on this medication: http://www.ncbi.nlm.nih.gov/pubmed/15788214