IBS is not exactly a diagnoses, its more of a description. Measles is a diagnoses. Skin rash is a description.
I have the same problem & have had it for many years. I think the adhesions are the primary problem & irritate the bowel. There are diseases like Crohn's Disease in which the bowel inflammation is the primary disease & causes the adhesions. Crohn's disease is a diagnoses.
Kay in Wisconsin