What is the cause of the stool to pull blood clot

Stool pull blood clots, consider hemorrhoids, ulcerative colitis, intestinal tumors and other causes.

1, hemorrhoids: the cause of hemorrhoids is unclear, there may be anal pad down or anal varicose veins caused. Hemorrhoids large, dry hard stool excessive extrusion, can lead to hemorrhoids mucosa rupture bleeding.

2, ulcerative colitis: ulcerative colitis etiology is unknown, may be related to immune abnormalities, genetic or intestinal microecological disorders and other factors, patients may appear bloody stool or purulent blood stool.

3, intestinal tumors: such as intestinal cancer, the cause is unclear, intestinal tumor lesions are relatively fragile, stool after friction tumor, so that it ruptures bleeding.