What's with the yellow and black shit?

The professional name of stool is stool, yellow and black stool may be caused by unreasonable diet, hemorrhoids, peptic ulcer and other reasons.

1. Irrational diet

patients eat too much duck blood, pig blood and other iron-rich foods, the divalent iron in the intestinal tract may become trivalent iron, adhere to the surface of the stool, easy to appear stool color change symptoms.

2.

Poor living habits of hemorrhoids can form hemorrhoids. When hemorrhoids are formed at the end of the rectum or anus, the stool can be rubbed with hemorrhoids to cause blood vessel damage, causing abnormal stool symptoms.

3. Peptic ulcer

patients may cause digestive tract mucosal damage, leading to local capillary rupture, blood adhesion to the stool, may appear stool black symptoms.