What's wrong with black toilet stool?

If you find that your stool is black when you go to the toilet, the common reasons include the following two aspects. First, it is caused by food or drugs, including animal blood or taking iron and bismuth. This is a normal manifestation and can recover on its own. Second, pathological conditions are more common in upper gastrointestinal bleeding, such as obvious peptic ulcer, or even hematemesis, which requires timely gastroscopy and fecal occult blood test to be clarified. Cause black stool and esophagus, stomach, duodenum and other diseases are closely related. If cirrhosis patients need to be alert to esophageal gastric varices rupture.