Also known as a bedsore or decubitus ulcer, a pressure sore is an ulcer that develops in pressure spots on the skin of people whose mobility is impaired. Pressure sores start as red, painful areas that become purple before the skin breaks down.
Common sites for pressure sores are the hips, base of the spine, buttocks, shoulders, heels, and ankles.
Pressure sores may be treated with dressings and medication to speed up healing.
In some cases, antibiotics and plastic surgery may be needed. Pressure sores can usually be prevented by good nursing care, including regularly changing the person's position and protecting vulnerable areas with special cushions and mattresses

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