If you develop an infected ulcer, call your doctor right away. Some infected ulcers bleed or have a bad odor. The discharge may be white, yellow, or greenish. If bacteria enter the ulcer, infection sets in. In some cases, dead skin (such as a corn or callus) may cover an open wound, making it harder to see. They provide a way for infection to enter the body. If a corn or callus presses into the foot, it destroys inner layers of skin and fat. Left untreated, a blister can turn into an open wound or a corn (thickened skin on top of the foot) or callus. If pressure is not relieved, a hot spot is likely to blister. They are a warning that you need to take care of your feet. Red “hot” spots on the skin are signs of pressure or friction. A callus pressing into the foot may kill healthy tissue and cause an ulcer. Ulcers may progress from hot spots to infected wounds very quickly. Unfortunately, you may not notice the pain if you have neuropathy, a health problem that limits how much feeling you have in your feet. This kills healthy tissue and causes pain. If the skin keeps thickening, the callus presses up into the foot. How do pressure ulcers form?įorce or friction against the bottom of your foot causes the skin to thicken, forming a callus. Pressure ulcers can be controlled and even prevented. But with your doctor’s help, your health can be protected. If infection reaches the bloodstream or bone, your life or limb may be at risk. Left untreated, an ulcer may allow infection to enter your body. Stress caused by the body’s weight and the impact of striking the ground place the ball of the foot, the big toe, and the heel at the greatest risk. Pressure ulcers are sores that occur when pressure cuts off the blood supply to the skin.
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January 2023
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