Painless blood in stool may be related to internal hemorrhoids, intestinal polyps, gastrointestinal bleeding and other diseases.
1. Internal hemorrhoids: when feces rubbed the mucous membrane on the surface of the hemorrhoids, or defecation with excessive force, causing the expansion of the internal hemorrhoidal blood vessels rupture bleeding, usually no obvious pain, or fresh blood during or after defecation.
2. Intestinal polyps: genetic factors, chronic inflammation of the rectum, infection and other factors related to the rectal part of the bulge. When the polyp is large, the intestinal contents are dry and may rub the polyp to cause bleeding and form bloody stool.
3. Gastrointestinal bleeding: acute erosive gastritis, peptic ulcer and other causes, causing the mucous membrane of the digestive tract to break, resulting in bleeding points, blood will also be discharged with the stool, painless blood in the stool.
Painless blood in stool can also be seen in other causes, such as rectal tumors, etc. It is recommended that patients seek timely medical attention, follow the doctor’s instructions for relevant examinations, to clarify the diagnosis, and targeted treatment or therapy.