Is black stool a stool?

If

the patient does not defecate for a long time, there is no other abnormal symptoms, the stool may be black, mainly because the stool in the intestinal tract for a long time, caused by oxidation. If it is not a long time without defecation, stool black, it is generally not stools, may be caused by eating animal viscera, blood products, iron, bismuth, etc. In addition, if there are erosive gastritis, gastric ulcer and other diseases, or cirrhosis patients with esophageal, gastric varices, may lead to upper gastrointestinal bleeding, so that the stool appears black.

If the stool often appears black phenomenon, it is recommended to go to the hospital in time to improve the examination, scientific treatment.