If you have frequent black stools, it is possible that you have gastrointestinal bleeding, and it is recommended that you seek medical attention promptly.
Black stool refers to the appearance of dark paste, commonly found in the upper gastrointestinal bleeding, a small number of lower gastrointestinal bleeding in the higher position, can also appear black stool.
1. Common diseases that cause upper gastrointestinal bleeding include esophageal injury, esophageal variceal rupture bleeding, gastric ulcer, duodenal ulcer, gastric cancer, reflux esophagitis and other diseases, which can cause bleeding of mucous membranes or blood vessels of the upper gastrointestinal tract. Iron hemoglobin can be combined with sulfide in the feces in the gastrointestinal tract and become black iron sulfide, which ultimately leads to the black color of the feces.
2. A few lower gastrointestinal hemorrhages with high location, such as ileal ulcer and ulcerative colitis. It can trigger localized bleeding in the intestines, and hemoglobin reaction in the intestines can also cause the occurrence of black stools, but more often than not, it will trigger blood in the stool or bloody stools.
Frequent black stools, it is recommended to consult a doctor in time, under the guidance of a professional doctor, to clarify the cause of the disease, standardized treatment.