i agree with the cap as far as getting tested, although it doesn't sound like celiac, but you obviously have some kind of sensitivity/intolerance -
definitely some blood work is in order -
what is your diet like sans the grains ?
dx'd with pancolitis 12/21/03
current supplements:probiotics, vit D, cal/mag, Psyllium Seed powder/Heather's Acacia fiber/ L-Glutamine/Hemp powder slurry 1x/week - grain free/paleoish diet that includes 100% grass fed beef, raw goat milk, & local eggs, lots of all natural well water, exercise, sleep as much as possible & enjoy this great life that God has blessed me with