Pressure sores, also known as pressure ulcers or bed sores, are sores within the skin that cause damage to the skin and underlying tissue. The damage is caused by constant pressure or friction being applied to a part of the body. The extra pressure causes a disruption to the blood flow and without the blood supply, the area becomes starved of oxygen and nutrients.  This injury quickly develops for people who have reduced mobility such as wheelchair users or people who are confined to a bed or chair.

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