There are not only 6 causes of blood in stool, there are more causes, mainly including upper gastrointestinal tract diseases, lower gastrointestinal tract diseases and systemic diseases.
1. Upper gastrointestinal diseases: blood in the stool can be seen in the esophagogastric fundus vein rupture bleeding, gastroduodenal ulcer, bile duct stones, biliary roundworms, benign and malignant tumors of the esophagogastric and hepatobiliary and pancreatic glands, and acute hemorrhagic gastritis and so on.
2. Lower gastrointestinal diseases: such as intestinal tuberculosis, typhoid fever, dysentery, schistosomiasis, amoebic enteropathy, rectal polyps, rectal cancer, hemorrhoids, anal fissure, anal fistula, small intestinal tumors, diverticulosis and so on, which may cause blood in the stool.
3. Systemic diseases: blood in stool can be seen in leukemia, thrombocytopenic purpura, epidemic hemorrhagic fever, sepsis, uremia, vitamin C deficiency, hemophilia and so on.
Ischemic bowel disease, gastrointestinal vascular factors bleeding such as Duchenne disease, capillary dilatation, etc. may also have bleeding in the stool.
Patients with blood in the stool are advised to seek prompt medical attention and ask the doctor to clarify the cause of the disease and then target treatment.