have u had any allergic experience with wheat rye barley etc...by allergy i mean complaints of excessive bloating, nausea, vomiting, loose stools soon after ingestion of such food....and the symptoms clearly subsiding after discontinuing the said food....if the answer is yes then you clearly are suffering from food allergic disease one of which is a coeliac disease...pts with crohn s disease may pass sloughed off mucosa in their stools which probably may resemble what you mention...get the foll inv done ASCA antibodies IgA Anti TTG