What are the main causes of stomach pain and black stool?

Stomach pain is mainly related to gastric ulcer, duodenal ulcer, gastric polyps and other reasons.

1, gastric ulcer

gastric ulcer is mainly related to Helicobacter pylori infection, patients can show burning pain in the stomach, sometimes accompanied by tarry black stool, nausea, belching and other symptoms.

2, duodenal ulcer

duodenal ulcer is mainly related to gastric acid and pepsin, Helicobacter pylori infection and other reasons, patients can repeatedly appear symptoms of upper abdominal pain, if the ulcer in the duodenal bulb, and gastric pylorus connected, patients are often mistaken for stomach pain attacks, sometimes accompanied by black stool, diarrhea and other symptoms.

3, gastric polyps

gastric polyps may be related to Helicobacter pylori infection, bile reflux and other reasons, if the polyp volume is large, can cause stomach pain, and if the surface of the polyp is broken, can cause bleeding, hemoglobin in the blood is oxidized to form iron sulfide, and then lead to black stool.