There are any number of conditions that can cause pain in that area that is made worse by sitting. You should get evaluated for it. Most of the people I know with pain there do not have IBS.K------------------I have no financial, academic, or any other stake in any commercial product mentioned by me.And from the as if IBS isn't enough of a worry file...from New Scientist's Feedback column: photographed on the door of a ladies' loo in the Sequoia National Park in California by reader Liz Masterman: "Please keep door closed to discourage bears from entering."