Coffee-colored stool is generally considered to be related to diet, gastrointestinal bleeding, prolonged constipation and other conditions.
1. Influence of dietary factors: If patients take oral ferrous sulfate, bismuth or food with color, such as sheep blood, pig blood and other blood products, the stool can be shown as brown or black. Usually, the color of stool can be relieved by itself after stopping taking it.
2. Digestive bleeding: gastric ulcer, duodenal ulcer, gastroesophageal variceal bleeding, intestinal tumors and other diseases, under some stimulus ulcer foci, blood vessels, tumors rupture and bleeding, then cause gastrointestinal bleeding, blood into the intestinal tract, the hemoglobin from the trivalent iron into the divalent iron, there will be a black or coffee-colored stools, you need to stop the hemorrhage treatment in a timely manner.
3. Prolonged constipation: The color of stool changes due to the repeated absorption of a large amount of water in the stool, usually dark brown. And constipated patients if long-term oral senna and other laxatives, will lead to intestinal pigmentation, become a black state, that is, colorectal melanosis, the stool will also show a kind of black.
Therefore, coffee-colored stool, it is best to improve the stool routine, colonoscopy and other tests to further clarify the cause of the disease, and follow the doctor’s instructions for symptomatic treatment.