Tagged: vitamin b12

mouth ulcer, canker sore 0

28 Home Remedies for Canker Sores

Nearly everyone will have a canker sore at some point in their life. Canker sores are a type of small ulcer that forms inside of the mouth, usually on the insides of the cheeks or under the tongue; they can appear anywhere on the gums. Unlike cold sores, which appear on the outside of the mouth, canker sores are not contagious.