Canker sores are usually only fleetingly painful. But sometimes, they may be signs of a chronic problem.

For 6 months, Mari Henderson had a canker sore that didn't go away. She learned had stage 1 cancer after reading an article about woman with tongue cancer.

Canker sores are small lesions that develop on the soft tissues of the skin, majorly on the lips and tongue. These are extremely irritating & painful and may aggravate further. In most cases ...

Katie Drablos, 35, told the TODAY show that she ignored a sore on her tongue for months before she learned it was cancer.

If it had been on the tip of my tongue, I'd probably would have been like, 'Oh that doesn't exactly look like a normal canker sore.'" When Diana Kirke, an otolaryngologist at New York Eye and Ear ...

Even the smallest sores can be annoying, especially when they develop in inconvenient places, like the tip of the tongue. Luckily, there are several methods to get rid of them.

Even the smallest sores can be annoying, especially when they develop in inconvenient places, like the tip of the tongue. Luckily, there are several methods to get rid of them.

Even the smallest sores can be annoying, especially when they develop in inconvenient places, like the tip of the tongue. Luckily, there are several methods to get rid of them.

Have you ever woken up to find an annoying red or white bump inside your mouth or on your tongue? It might just be a canker sore, also known as an apthous ulcer. Here's more information about why ...

Canker sores, which can pop up on the insides of your cheek or on your tongue, gums, or soft palate, can make eating, drinking, and doing pretty much anything with your mouth an ordeal.