Pressure ulcers (also known as pressure sores or bedsores) are injuries to the skin and underlying tissue, primarily caused by prolonged pressure on the skin. They can happen to anyone, but usually affect people confined to bed or who sit in a chair or wheelchair for long periods of time.

• Stage 1. The area looks red and feels warm to the touch. …
• Stage 2. The area looks more damaged and may have an open sore, scrape, or blister. …
• Stage 3. The area has a crater-like appearance due to damage below the skin’s surface.
• Stage 4. The area is severely damaged and a large wound is present.

Treatments for pressure ulcers (sores) include regularly changing your position, using special mattresses to reduce or relieve pressure, and dressings to help heal the ulcer. Surgery may sometimes be needed.