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 often seem to pop up out of nowhere and, once you have them, they’re often painfully hard to ignore — especially when you try to eat or even talk. So what, exactly, are canker sores? They ...

Whether it’s discomfort while chewing, a sore tongue, or a burning sensation, many of us have experienced some sort of pain in our mouths. But what could be causing it? Mouth pain has many possible ...

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 ...

Mouth ulcers, also known as canker sores, are painful lesions that develop inside the mouth, on the tongue, or along the inner cheeks. They can make eating, drinking, and even speaking uncomfortable.

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 ...

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 ...

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 ...

Black spots inside the cheek can have several causes. These include blisters or hyperpigmentation. In rare cases, they may indicate mouth cancer. Depending on the cause, the black spot may resolve ...