What method is there to get rid of a canker sore fast?

They usually resolve: On their own. If you have a canker sore ( aphthous ulcer) you can rinse your mouth w warm salt water. Mix a teaspoon of salt in 8 oz of warm water – gargle w this several times a day. Another option is to swish a mix of 1 part milk of magnesia ; 1 part liquid Benadryl (diphenhydramine) in your mouth. Spit out after about a minute. Avoid eating spicy food or food that is hot (high temperature). Please call your >.