Unless I am having a blockage, its gas for me. I can sometimes feel it moving around and also see it. My daughter, who doesn't have CD, also can feel and see gas moving around. She calls it her alien in her belly.
CD 20 years officially, 30 unofficially. 3 resections '93, '95 '97
Managing with strict low residue diet, keeping symptoms to a minimum. All test show small amount of ulceration, still have occasional blockages. But still have a great time with my 2 daughters and husband!
Prednisone, 6MP,Prevacid, B12 shots, Bentyl, Xifaxan.....