I don't care about the risks. It was the most painful experience I have ever endured. If any doc advised i get another barium enema, I am afraid i would punch him/her out!!! I will never go through...
If you are getting red blood in stool it is not IBS. the differerence between UC and Crohnes, and IBS, is that IBS is caused by muscle spazms and not inflammation. I suggest you go to a community...