Don't know where my brain is sometimes...I had totally forgotten about the TENS Machine I have when nothing else works... It delivers electrical stimulation to the problem area and blocks the pain....Need to work with the doctor to make sure you put it on correctly and don't get your wires crossed LOL....Here is a link. You can also Google it and find lots of info....
http://arthritis.about.com/od/assist...g/tensunit.htm