Ulcerative colitis (UL-sur-uh-tiv koe-LIE-tis) symptoms can vary, depending on the severity of inflammation and where it occurs. Therefore, doctors often classify ulcerative colitis according to its location.
Most people with ulcerative colitis have mild to moderate symptoms. The course of ulcerative colitis may vary, with some people having long periods of remission.
See your doctor if you experience a persistent change in your bowel habits or if you have signs and symptoms such as:
Although ulcerative colitis usually isn't fatal, it's a serious disease that, in some cases, may cause life-threatening complications. Read more about ulcerative colitis.