Briefly..I've had symptoms for about 4 years. Originally thought to be kidney stones. Pain has been so severe twice was taken to a and e and given morphine. Attacks come on for no apparent reason. Had cytoscopy, mri, xray, ct scan etc but nothing showed. The attacks can last e tween a few hours or days and are very painful, always on lefthand side and can radiate to leg and back..I'm in agony. Afterwards feel very lethargic and under the weather. So fed up with it, as it is beginning to prohibit certain things, it second thoughts about going for a day out. If I knew how to deal with it, I could manage but no one seems to have an answer. My own deduction is that it could be IBS. Has anyone got a similar story.