Peripheral neuropathy is pain, numbness, or weakness, typically in the hands or feet, that is a result of nerve damage. Diabetes is a common cause of peripheral neuropathy. Other causes of peripheral neuropathy include metabolic issues, infections, traumatic injuries, exposure to toxins, or inherited causes. Symptoms are wide-ranging, from mild to life-threatening. Symptoms are dependent upon the severity of damage to the nerves and the nerve fibers affected