Colitis, the inflammation of the lining of the colon, has numerous causes, including: infection, loss of blood supply to the colon, changes to the colon wall, and inflammatory bowel disease.  While determining the cause of the colitis, your ADA GI doctor will help to manage your pain and take steps to avoid dehydration. Depending on your symptoms, tests may be necessary to confirm the diagnosis. 

Symptoms include: abdominal pain, diarrhea, blood in stool, and sometimes fever. Please note that you should never ignore blood in your stool it is important to call ADA for an appointment as soon as possible.