Dark green stool black what's going on

Dark green and black stools are considered to be caused by dietary factors, drug factors, disease factors, etc.

1. Dietary factors

Recently, a large number of foods containing green pigment and melanin can lead to dark green and black stools, which belong to normal physiological phenomena and generally do not require special treatment.

2. Drug factors

Patients use pectin bismuth, potassium bismuth citrate, iron and other drugs due to physical reasons, which can lead to dark green and black stools, which can generally return to normal after discontinuation.

3. Disease factors Dark green

and black stools may also be caused by functional dyspepsia, enteritis, esophagitis, esophageal ulcer, esophageal hiatus hernia and other diseases.