When a patient is continuously lying on the bed for more extended hours or any individual is bedridden for days, the blood supply gets interrupted. Sometimes lack of blood supply can cause several damages to the skin, and it may initiate bed sores. With time it develops with painful sores. Its natural color is red, but with progressive changes, it begins to turn purple. At the time when the bed sores mature, they will quickly treat. Sometimes doctors suggest using medical sheepskins in bed mattresses to heal the bed sores initially.