Diverticulosis is a condition where small pouches form and protrude through weak spots in the intestinal wall. Diverticular bleeding happens when a blood vessel in a pouch bursts. Diverticular ...

DEAR DOCTOR K >> My young son had rectal bleeding caused by a colon polyp, which the doctor surgically removed. Why did he develop a polyp? Can we do anything to prevent more polyps from forming? DEAR ...

Q: Five years ago, I had a routine colonoscopy where a small polyp was removed. My family doctor is advising me to have a follow-up colonoscopy now, but the gastroenterologist’s office says that I don ...

A 74-year-old woman on low-dose aspirin because of a prior transient ischemic attack presented to the emergency department with sudden onset of rectal bleeding. One week earlier, she had undergone ...

I have a history of polyps. I recently had nasal polyps removed, and a previous colonoscopy had also revealed polyps. I have been put on a blood thinner (Xarelto) and an aspirin. Since I started ...