Cold sores and angular cheilitis can look somewhat similar, but they’re two different conditions. Learn more.

After having a lip filler, it is important to stay hydrated and avoid excess salt, which could cause swelling. Here are 10 aftercare tips for lip fillers.

Mouth sores and gum problems can flare along with other Crohn’s disease symptoms. Learn how to manage these complications and why they happen.

Canker sores are painful ulcers that occur in the mouth, including on gums. Here's a look at how to deal with them.

Scientists are developing all sorts of potential new treatments to tackle the most difficult cancer cases—including some that ...