Ulcerative colitis is a disease that causes inflammation and sores, called ulcers, in the lining of the rectum and colon. Ulcers form where inflammation has killed the cells that usually line the colon, then bleed and produce pus. Inflammation in the colon also causes the colon to empty frequently, causing diarrhea.

  1. The most common symptoms of ulcerative colitis are abdominal pain and bloody diarrhea. Patients also may experience
  2. anemia
  3. fatigue
  4. weight loss
  5. loss of appetite
  6. rectal bleeding
  7. loss of body fluids and nutrients
  8. skin lesions
  9. joint pain
  10. growth failure (specifically in children)
  11. About half of the people diagnosed with ulcerative colitis have mild symptoms. Others suffer frequent fevers, bloody diarrhea, nausea, and severe abdominal cramps. Ulcerative colitis may also cause problems such as arthritis, inflammation of the eye, liver disease, and osteoporosis.