What causes black stool in elderly people

The elderly stool black consideration and diet factors, drug factors, upper gastrointestinal bleeding and other reasons related.

1, diet factors

elderly people eat a large number of animal liver, blood products, spinach and other foods with high iron content, there will be physiological stool black symptoms.

2, drug factors

elderly long-term use of aspirin, clopidogrel, warfarin and other anti-platelet or anticoagulant drugs treatment, gastrointestinal mucosa small blood vessels rupture bleeding, blood mixed stool will also lead to black old people stool.

3, upper gastrointestinal bleeding

peptic ulcer, esophageal and gastric varices and other reasons caused by upper gastrointestinal bleeding, red blood cells in the blood into the gastrointestinal tract are destroyed, hemoglobin iron and intestinal sulfide combined to form iron sulfide, and then will lead to black old people stool.