First confirm source
Bleeding per rectum may originate in the anal canal, the rectum, or further up the line.
Frequent anal sources of bleeding include hemorrhoids
& fissures, that may respond to modifying stool texture (fiber
, softeners) and topical agents, or require further intervention. Similar bleeds can be seen with anal & rectal cancer
, infections, ischemic colitis
, diverticular bleeds, inflammatory bowel