Medically reviewed by Brian T. Luong, DMD Key Takeaways Keep your mouth clean by brushing your teeth and flossing twice daily ...

A sore on the side of the tongue can develop for various reasons, including canker sores, cold sores, or a minor injury. Less commonly, a sore on the tongue may be a sign of cancer. In some cases, ...

A TONGUE ulcer can be uncomfortable, even painful, making it hard to ignore that it's in your mouth. However, there are home remedies to ease any discomfort - especially as the sore can remain for up ...

What starts as a subtle tingle or burning in your mouth can signal something more painful on the horizon: a pesky canker sore. For some, the ulcers are just a mild annoyance. But for many of us, they ...

Canker sores are lesions in the mouth that usually aren’t serious, but they can be extremely irritating. Here are answers to commonly asked questions about these mouth sores. Canker sores are ...

That painful sore that appeared inside your cheek makes eating spicy foods pure torture and talking uncomfortable. While you might dismiss it as just another annoying canker sore that will heal on its ...

Mucositis, or mouth sores, is a common side effect of chemotherapy, radiation therapy, and bone marrow transplant. The mouth is one of the most sensitive parts of the body and is especially vulnerable ...

Hand, foot and mouth disease is a highly contagious — but usually mild — illness that typically affects kids under 5.

Every year, this illness makes the rounds in schools, playgrounds and day cares. This time, some parents and pediatricians ...

Can Ulcerative Colitis Cause Mouth Sores? Ulcerative colitis (UC) is a type of inflammatory bowel disease (IBD). UC is a chronic (lasting and persistent) condition that mainly affects the colon, part ...

Mouth ulcers can happen as one side effect of using meth. Treatment can help, but these sores may also begin to heal when you stop taking meth. Share on Pinterest Daniel Kaesler /Getty Images ...