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What is a bedsore?

A bedsore, properly known as a “pressure ulcer,” is an area of skin and tissue that has become damaged. Pressure ulcers usually happen when a person is in a sitting or lying position for an extended period of time without shifting his or her weight. The continuous pressure against the skin causes a decreased blood supply to that part of the body. Without the normal blood flow, that part of the body and the affected tissue dies.

For more information on bedsores.