Your peripheral nerves are the ones outside your brain and spinal cord. There are more than 100 kinds of peripheral nerve disorders. They can affect one nerve or many nerves. Some are the result of other diseases, while some begin after an injury. Some people are born with peripheral nerve disorders. Symptoms often start gradually, and then get worse.
Click here for more information. http://www.nlm.nih.gov/medlineplus/peripheralnervedisorders.html