What's going on with the black, thin stool?

Stool shows black paste, may be caused by physiological conditions, in addition, may also be pathological, the so-called physiological reasons are mainly seen in patients taking some traditional Chinese medicine or iron, bismuth, taking the above drugs can be used to show black stool, in addition to eating too much pig liver, animal blood, such as pig blood, duck blood, etc. These can also cause stool to show black or dark brown. In addition to the so-called pathological conditions is mainly seen in the upper gastrointestinal bleeding. If the amount of bleeding is relatively small, this time will cause stool to be black, upper digestive tract is mainly seen in chronic gastritis, acute gastritis, gastric ulcer, in addition may be caused by cirrhosis portal hypertension, so if the symptoms persist, it is best to go to the digestive department to see a doctor more assured.