A diabetic foot ulcer is caused by neuropathic (nerve) and vascular (blood vessel) complications of diabetes. Nerve damage due to diabetes causes altered or complete loss of feeling in the foot and/or leg. This is known as peripheral neuropathy. Untreatable infections may require amputations. While your ulcers heal, stay off your feet and follow your treatment plan. Diabetic foot ulcers can take several weeks to heal. Ulcers may take longer to heal if your blood sugar is high and if constant pressure is applied to the ulcer. The management of diabetic foot ulcers requires offloading the wound by using appropriate therapeutic footwear, daily saline or similar dressings to provide a moist wound environment, debridement when necessary, antibiotic therapy if osteomyelitis or cellulitis is present, [11, optimal control of blood . Poorly controlled blood sugar can damage many parts of the body, including the nerves and vessels that go to the feet. Because of this, people with diabetes have an increased risk of developing foot problems. Wearing specially designed shoes can help reduce risk and promote healthy circulation in your feet.