Well, it finally happened to me. I was opening my mail... Read More
Use a spoon to crush a non coated aspirin. Mix a little bit of crushed aspirin with a few drops of water to form a paste. Apply to the canker sore. It should form a coating over the sore. I have been using this method for years and works better than any over the counter treatment I have tried. Do not use if you are allergic to aspirin.
Brush carefully
Ease pain with alum
Use a bubbly rinse