Diarrhea, black stool, what's going on?

Diarrhea refers to diarrhea, diarrhea black stool may be caused by poor diet, gastric ulcer, duodenal ulcer and other reasons, as follows:

1. Poor diet

patients eat duck blood, pig blood, spinach and other bad food, which contains iron through gastrointestinal oxidation, diarrhea black stool will occur.

2. Gastric ulcer

patients with gastric ulcer, gastric mucosa erosion or ulcer, easy to lead to black stool, intestinal function is abnormal diarrhea.

3. Duodenal ulcer

occurs duodenal ulcer, gastrointestinal mucosa damage will lead to stool black, abdominal pain symptoms, but also lead to abnormal stomach motility, diarrhea.