Thank you very much for contacting healthcare magic. I understand your problem. In inflammatory bowel disease there is inflammation of intestine.Ulcerative colitis or chons disease or any other disease may cause inflammation of intestine. Following are the symptoms of irritable bowel syndrome like..... Change a stool consistency and frequency, abdominal cramps and bloting, more mucus in stool. Abdominal ultrasound sonography is normal in irritable bowel syndrom. Endoscope is helpful for further diagnosis. Consent gastroenterologist for further diagnosis. I hope my guidance is helpful to you. Thanks.