Diabetic Foot Ulcer: Causes, Symptoms, Stages & Treatment
What Is a Diabetic Foot Ulcer? A d iabetic foot ulcer is an open sore or wound that develops on the foot of a person with diabetes. It can occur when repeated pressure, an injury, nerve damage, poor circulation, or changes in foot structure cause the skin to break down. A wound may begin as something small, such as a blister or callus, but can become deeper or infected if it is not treated promptly. Diabetes can increase the risk of foot ulcers because nerve damage may reduce protective sensation, while reduced blood flow can make wounds harder to heal. Early identification and appropriate treatment are therefore important parts of diabetic foot care. What Causes a Diabetic Foot Ulcer? A diabetic foot ulcer usually develops because several risk factors work together. Understanding these factors can help people with diabetes take steps to protect their feet. 1. Diabetic Neuropathy Diabetic neuropathy can damage the nerves that carry sensation from the feet. A person may not noti...