Chronic gastritis stool black how to return a responsibility

Black stool refers to black stool, chronic gastritis black stool causes generally include excessive consumption of iron-containing foods, gastric mucosa damage, blood vessel rupture, etc.

1. Excessive consumption of iron-containing foods

If the patient eats too much duck blood, pig blood, chicken blood and other iron-containing foods, iron ions and sulfide reaction in the intestinal tract, iron sulfide, black stool.

2. Gastric mucosa damage

If the patient's inflammatory reaction is serious, leading to gastric mucosa damage, causing bleeding, oxidation reaction, will also form black stool.

3. Blood vessel rupture

If the patient's condition is serious, involving the surrounding blood vessels, causing blood vessel rupture, a large amount of blood, chemical reaction occurs under the action of digestive juice, black stool will form.