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Ulcer

An ulcer is a sore that develops on the skin or a mucous membrane (such as inside the mouth, stomach, or intestines). Ulcers can be shallow or deep and can destroy the skin or the membrane where they develop.

Ulcers can be caused by some types of infection, injury, or cancer.

By Healthwise Staff
Primary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Specialist Medical Reviewer H. Michael O'Connor, MD - Emergency Medicine
Last Revised April 27, 2011

WebMD Medical Reference from Healthwise

Last Updated: April 27, 2011
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