While you’re receiving treatment for cancer, some of the drugs you take can cause painful sores to develop inside your mouth. You can also get them if you’ve had a bone marrow (stem cell) transplant ...

Canker sores form inside the mouth on soft tissues like gums, cheeks, or under the tongue, and are not contagious. Cold sores usually appear on or around the lips and are caused by herpes simplex ...

Chemotherapy is a group of powerful medicines that can help slow or stop some cancers. But chemo can affect healthy cells in your body, too, like those that line the inside of your mouth and the kind ...

Infections, injuries, jaw problems, and cancer can all cause mouth pain. The location and type of pain, plus any other symptoms that occur with it, can help with identifying the cause. The pain may ...

Canker sores are lesions that can develop on the the soft tissues in your mouth or at the base of your gums. Most canker sores are small, measuring less than 1 millimeter in diameter, and they usually ...

Those tiny white spots inside your mouth might be small in size, but they deliver pain far beyond their dimensions. Canker sores affect nearly everyone at some point, making simple pleasures like ...

Think you might have a canker sore? Here’s a look at common symptoms to help you distinguish these lesions from other sores. You might develop a canker sore after eating or drinking something acidic, ...

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 ...

Q: What causes canker sores? Why would I have a sudden outbreak of them in my mouth? A: There are several theories about what leads to canker sores, those painful ulcers that form inside the mouth, on ...

Mouth sores are common in people with human immunodeficiency virus (HIV). They usually happen because the virus weakens your immune system, so your body has a hard time fighting infections that cause ...

Biting the inside of your cheek may seem trivial, but it can turn into a frustrating cycle. The area becomes swollen, causing you to have an easier time biting it again. In no time, you're left with ...