If you have diabetes, your blood glucose, or blood sugar, levels are too high. Over time, this can damage the covering on your nerves or the blood vessels that bring oxygen to your nerves. This damage is called diabetic neuropathy. Peripheral neuropathy affects toes, feet, legs, hands and arms.  Some people with nerve damage have no symptoms. Others may have symptoms such as pain, tingling, or numbness/loss of feeling.

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