DefinitionDiabetic neuropathy is a common complication of diabetes, in which nerves are damaged as a result of high blood sugar levels (hyperglycemia).Alternative NamesNerve damage - diabeticCauses, incidence, and risk factorsPeople with Diabetes commonly develop temporary or permanent damage to nerve tissue. Nerve injuries are caused by decreased blood flow and high blood sugar levels, and are more likely to develop if blood sugar levels are not well controlled.Some people with diabetes will not develop nerve damage, while others may develop this condition early. On average, symptoms begin 10 to 20 years after the diabetes diagnosis. Approximately 50% of people with diabetes will eventually develop nerve damage.Peripheral nerve injuries may affect nerves in the skull (cranial nerves) or n