What are the main causes of anal bleeding?

Anal bleeding can be caused by hemorrhoids, anal fissure, perianal abscess, anal polyps, anal inflammation, colon cancer, rectal cancer and other anorectal diseases, accompanied by anal itching, pain, defecation difficulties, stool bleeding for punctiform or jet-like symptoms. Anal bleeding is mostly due to dry stool, difficult to discharge, leading to anal bleeding after vascular rupture. In addition, female menstrual bleeding may be mistaken for anal bleeding. Keep anal clean. Usually develop a good habit of regular defecation, drink plenty of water, eat more coarse grains, vegetables and other foods rich in crude fiber, increase intestinal motility, promote stool discharge. It is recommended to go to the anorectal department of a regular hospital in time.