Have had the terrible burning tongue for over 11 years with no relief, except when eating or chewing gum. I do take traquilizers which really do not help the pain but are a bit calming. I also use a soft plastic bite plate, and after a few hours (afternoon) I can remove and usually the pain gradually subsides after 4 p.m. Mornings are the worse. Sorry you have so much trouble and there seems to be no cure as I have seen good facial pain specialists. Good luck.