What's with the green and black shit?

Stool green and black, may be related to dietary factors, drug factors and disease factors.

1, dietary factors

If recently ate more green vegetables or pig liver, duck blood and other foods, due to the influence of food pigments or iron elements, can lead to stool green and black.

2, drug factors

ferrous sulfate, ferrous succinate and bismuth potassium citrate and other drugs, due to the special nature of the drug, can also lead to stool green and black.

3, disease factors

When chronic gastritis, gastric ulcer or esophageal varices cause gastrointestinal bleeding, blood after intestinal bacteria decomposition, can lead to stool green and black.