Internal hemorrhoids: First- to fourth-degree

Illustration of a first-degree internal hemorrhoid

A first-degree internal hemorrhoid bulges into the anal canal during bowel movements.

Illustration of a second-degree internal hemorrhoid

A second-degree internal hemorrhoid bulges from the anus during bowel movements, then goes back inside by itself.

Illustration of third-degree and fourth-degree hemorrhoids

A third-degree hemorrhoid bulges from the anus during bowel movements and must be pushed back in with a finger. A fourth-degree hemorrhoid protrudes from the anus all the time.

Illustrations copyright 2000 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

Last Updated: September 29, 2008

Medical Review: Kathleen Romito, MD - Family Medicine & Brent Shoji, MD - General Surgery

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