
Colonoscopy Complications and the Warning Signs to Watch
Colonoscopy complications are rare—major bleeding affects about 2.4 in 1,000—but knowing normal spotting from a true warning sign matters most.

Colonoscopy complications are rare—major bleeding affects about 2.4 in 1,000—but knowing normal spotting from a true warning sign matters most.

Colonoscopy side effects are usually mild and fade within a day, but bleeding can appear up to two weeks after a polyp removal. Here's what to watch for.