Black-green stools may be related to eating a lot of green food, intestinal inflammation, taking iron medication and a small amount of bleeding in the digestive tract.
1. Eating a lot of green food: green food contains excessive chlorophyll, which cannot be fully digested and absorbed by the intestines and is excreted with the feces, resulting in black-green stool.
2. Intestinal inflammation: when intestinal inflammation occurs, intestinal peristalsis is hyperfunctional, feces in the intestinal tract stays for a shorter period of time, and bilirubin is oxidized into bilirubin in the acidic intestinal tract, which leads to black-green stools.
3. Taking iron medication: iron in iron medication can not be fully absorbed by the body, and part of the iron is oxidized into iron sulfide under the action of intestinal flora and discharged with the feces, resulting in black-green stools.
4. Small amount of gastrointestinal bleeding: when a small amount of gastrointestinal bleeding, the divalent iron in hemoglobin will be converted into trivalent iron ions, and there are green divalent iron ions and black trivalent iron ions in the feces, which will lead to black-green stools.
Once black-green stools appear, it is necessary to go to the hospital in time for further examination, to clarify the cause of the disease under the guidance of the doctor, and to give targeted treatment.