Common causes of black stool

Common black stool causes consider physiological factors, drug factors, disease factors, etc.

1, physiological factors

If the human body eats a lot of animal blood, animal viscera or green leafy vegetables, which are rich in iron, intake of human body will react in the intestinal tract, forming black iron sulfide, will be discharged with feces, patients will appear black stool.

2, drug factors

If the patient recently took too much warfarin, aspirin, clopidogrel and other anticoagulant, antiplatelet drugs, will make the body coagulation function abnormal, can cause gastrointestinal bleeding, patients will appear black stool.

3, disease factors

If the patient has gastric ulcer, duodenal ulcer, intestinal polyps, intestinal tumor and other diseases, the lesion site rupture bleeding, patients will appear black stool.