University of Southern California Mrs. T.H. Chan Division of Occupational Science and Occupational Therapy
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What Causes Pressure Ulcers: Injury and Rubbing

How Does Injury Cause a Pressure Ulcer? Rubbing What to Do When You Hurt Your Skin Protect Your Skin! Booklets About Taking Care Of Your Skin If You Use the Internet... Show All Read in more detail about this subject

What Causes Pressure Ulcers: Injury and Rubbing

Cut on finger

Hurting your skin could cause a pressure ulcer

Skin protects our bodies. Skin can get hurt, too. When skin gets hurt, it can be called an injury (IN-juh-ree). An injury can cause:

  • Pain.
  • Swelling.
  • Bleeding.
  • A pressure ulcer (which is what a doctor or nurse calls a pressure sore or bedsore).

Many things can cause a pressure ulcer. This page talks about 2 things. It talks about injury. It talks about rubbing.