Feces are black and green. What's going on?

Feces are black and green may be caused by dietary factors, drug factors, disease factors and other reasons.

1. Dietary factors

Eating unclean diet leads to diarrhea, or diet with unbalanced vegetable intake is too large, may lead to changes in the color of feces, black and green.

2. Drug factors

Long-term use of bismuth potassium citrate, indomethacin, iron and other drugs, can also lead to black and green feces.

3. Disease factors

Functional dyspepsia, bacillary dysentery, ulcerative colitis, gastric cancer and other diseases may lead to gastrointestinal bleeding and diarrhea, resulting in black and green feces.