The reason why black stool is not formed

The black stool is not formed due to dietary factors, drug factors, disease factors, etc.

1. Dietary factors

Recently, a large number of foods such as pig blood, duck blood, spinach, beet root, etc., can appear black stool is not formed symptoms, belongs to normal physiological phenomenon, can return to normal after adjusting diet.

2. Drug factors

Patients due to physical reasons use iron, bismuth, aspirin, lactulose and other drugs, can appear black stool is not formed phenomenon.

3. Disease factors Black

stool is not formed may also be related to gastric ulcer, esophagitis, esophageal ulcer, esophageal hiatus hernia, esophageal fundus varicose rupture and other diseases.