The causes of black blood in stool include upper gastrointestinal bleeding, intestinal tumor, food or drug interference and so on.
1. Upper gastrointestinal bleeding: gastric ulcer, gastric cancer, esophageal cancer, rupture and bleeding of esophagogastric fundal varices and other diseases can lead to black blood in stool. At this time, it is necessary to do gastroscopy examination in order to clarify the cause of the disease and facilitate the treatment.
2. Intestinal lesions: Inflammatory bowel diseases, intestinal polyps, intestinal tumors, etc., can also cause symptoms of black blood in stool. At this time, it is recommended to do electronic colonoscopy, clear diagnosis, early detection and early treatment.
3. Food or drug interference: consuming pig’s blood, sheep’s blood, pig’s liver can cause black stool. Or recently taken ferrous succinate, bismuth pectin and other drugs, can also lead to black stools.
If there are symptoms of black blood in the stool, it is recommended to go to a regular hospital to identify the site and cause of bleeding, so as to facilitate the treatment of the cause.