Peripheral nerve damage as a result of diabetes is referred to as Diabetic Neuropathy. Diabetic patients who have elevated blood sugar (glucose) for extended periods of time cause damage to their peripheral nerves. The most common location of peripheral nerve damage is in their feet and legs. Diabetic neuropathy symptoms and functional changes are progressive in with as high blood sugar continues to cause damage to the peripheral nerves. Symptoms of diabetic neuropathy will vary depending on the type of diabetic neuropathy you have acquired. The life altering complication of diabetic neuropathy is very serious and affects 60%-70% of people with diabetes.