What causes women to shit black?

Female stool is black is usually related to dietary factors, drug factors, gastrointestinal bleeding and other reasons, analysis is as follows:

1, dietary factors

If women eat a large number of blood products recently, such as pig blood, duck blood, or excessive intake of iron-rich foods, such as spinach, pig liver, duck liver, etc., will lead to excessive intake of iron, the body can not be fully digested and absorbed, will react with hydrogen sulfide in the intestinal tract to form iron sulfide, appear stool black phenomenon.

2, drug factors

If women take iron, such as ferrous sulfate tablets, ferrous gluconate syrup, etc., iron will be oxidized in the gastrointestinal tract, will make the stool color black.

3, gastrointestinal bleeding

If women themselves suffer from gastric ulcer, duodenal ulcer and other diseases, ulcer site will be stimulated after erosion bleeding, blood trivalent iron ions through the digestive tract will become divalent iron ions, resulting in stool is black phenomenon.