However, canker sores are non-contagious, they are visible inside the oral cavity such as cheeks, soft palate or tongue. They ...

What is the difference between a canker sore and a cold sore? Canker sores and cold sores are common but distinct oral conditions that often get confused. Understanding the difference is key to ...

but sometimes on the roof of your mouth or under your tongue. They are typically white or yellowish with a red border. Canker sores are not contagious, but can feel very uncomfortable, with a ...