Welcome to the forum,
I am not sure if TN stands for trigmenial neurolgia but If it does it can be very painful.
Feel free to look around the forums and there is a section pacific to tn (see below) Here at Neurotalk we learn from each other, what has worked, what has not worked. So please feel free to join in.
http://neurotalk.psychcentral.com/fo...aysprune=&f=26