I'll take any and all advice I can get. I'm a 38 year old female, and for the last few years I have been plagued with terrible gas. It's a daily problem, which as a teacher, I find extremely difficult to deal with. It is very smelly, and I have no problem smelling it myself, so I'm sure others do, too. I don't have much problem with D or C. A little constipated at times, but really no unusual D. I also find that my stomach becomes extremely painful if I let it become empty. So, is this IBS or could it be something else, duodenal ulcers, for example?