Diabetic ulcers are a serious complication caused by a combination of poor circulation, susceptibility to infection and nerve damage from high blood sugar levels. When there is limited blood flow to the wounded area, the body struggles to heal so these simple scratches, abrasions or cuts develop into diabetic ulcers. Some patients will have an ulcer sometimes for days before they are aware of it. If a patient doesn’t have good protective sensation due to nerve damage, the first sign might be redness, swelling, or drainage. By this time, there will be higher risk for the need of possible surgery and even amputation