Are Canker Sores Contagious? Topic Guide

Are Canker Sores Contagious? Are Canker Sores Contagious?: Canker sores are not contagious. Canker sores cannot be spread through saliva and are not transmitted by kissing, oral sex, or sharing toothbrushes or utensils with someone who has a canker sore.

Are Canker Sores Contagious? Topic Guide - Visuals

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Are Canker Sores Contagious? Topic Guide - Medications and Vitamins

Medications:

methylcobalamin (vitamin B12) Methylcobalamin (vitamin B12)

Methylcobalamin is a form of vitamin B12. Vitamin B12 is important for the brain and nerves, and for the production of red blood cells...learn more »