Also called: GI bleeding

Your digestive or gastrointestinal (GI) tract includes the espophagus, stomach, small intestine, large intestine or colon, rectum and anus. Bleeding can come from one or more of these areas. The amount of bleeding can be so small that only a lab test can find it. GI bleeding is not a disease, but a symptom of a disease. There are many possible causes of GI bleeding, including Hemorrhoids Peptic ulcers Tears or inflammation in the esophagus Diverticulosis and diverticulitis Ulcerative colitis and Crohn's disease Colonic polyps Cancer in the colon , stomach or esophagus The test used most often to look for the cause of GI bleeding is called endoscopy. It uses a flexible instrument inserted through the mouth or rectum to view the inside of the GI tract.