Pressure ulcer

Alternative Names

Bedsore; Decubitus ulcer

Definition of Pressure ulcer

A pressure ulcer is an area of skin that breaks down when constant pressure is placed against the skin.


A pressure ulcer starts as reddened skin that gets worse over time. It forms a blister, then an open sore, and finally a crater.


Richard J. Moskowitz, MD, Private Practice, Mineola, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 11/22/2010

Areas where bedsores occur
Progression of a decubitis ulcer

ADAM Medical Encyclopedia

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