The difference between canker sores and cold sores and how to effectively treat both
The difference between canker sores and cold sores and how to effectively treat both Sarah Fielding,Jason McKnightDec 15, 2020, 04:36 IST The key difference between cold sores and canker sores is where they are located on your mouth.Indeed/Getty Images Cold sores occur on the outside of the mouth and are caused by the herpes simplex virus. Canker sores are blisters inside the mouth that can occur due to injury, nutritional deficiencies, and bacterial infection. Both cold sores and canker sores will resolve on their own, but topical ointments can help ease symptoms. Cold sores and canker so...