Neuropathy is nerve damage. Peripheral neuropathy is damage to the peripheral nerves that travel to your legs and arms. Damaged nerves will not transmit messages to the brain and therefore patients will have abnormal or decreased sensation in their toes and fingers.
The most common cause of peripheral neuropathy is diabetes. Other causes include heredity, advanced age, arthritis, certain medications, alcoholism, injury and neurological disorders like fibromyalgia and spina bifida.