Symptoms and Complications A pressure sore usually begins as a reddened, sensitive patch of skin and then goes on to develop into a sore or ulcer that can extend deep into the muscle and even bone. I

Bedsores are injuries caused by constant and unrelieved pressure that damages the skin and underlying tissue due to lack of mobility and blood circulation (i.e., being bedridden). If you must sit or l

Bedsores fall into one of four stages based on their severity. The National Pressure Ulcer Advisory Panel, a professional organization dedicated to the prevention and treatment of pressure sores, has

If you've been immobilized, bedsores can be caused by: Sustained pressure. When your skin and the underlying tissues are trapped between bone and a surface such as a wheelchair or bed, blood flow