Definition: Veins in the anus and rectum that are swollen and inflamed. Hemorrhoids can be internal or external and may cause pain and itching.
Hemorrhoids
By Barbara Bradley Bolen, Ph.D., About.com
Updated: January 19, 2008
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
Explore Irritable Bowel Syndrome
Must Reads
More from About.com
Work Hard, Travel Easy
The best tips for business travelers.Dog Care
Get tips on training and caring for dogs of all ages.48 Hours in Vegas
Plan a hot weekend in Sin City.Hotel Advice
The must-stay hotels worldwide.
Also from About.com:
©2008 About.com, a part of The New York Times Company.
All rights reserved.