i am just wondering if anyone has stomach problem's like mine. I have had crest since feb. 2007 and on occasion i have these spell's were i feel very bloated, like 8 month's pregnant and i get a knot in my stomach just up above my navel with pain or sometimes just pressure and i get nauseated, this was tuesday night after dinner, 3 day's later i am having colon spasm's. can someone tell me what is happening to me? And i have started med's that the dr. gave me for IBS. Thank's for any help!