Where maladies may hurt less when white torture is inflicted; feverish giggling ensues

What should I do when I get canker sores?

You can also mix equal amounts of Milk of Magnesia and Benadryl Allergy liquid. After it's mixed, you can swish a teaspoonful in your mouth for about 1 minute and then spit it out. If you do this every 4 to 6 hours, your canker sores may hurt less.