A mysterious bump near your lips can be unsettling. Is it a harmless pimple or something more serious like a cold sore? Distinguishing between the two is crucial for effective treatment and prevention ...

Canker sores, or aphthous ulcers, are small, painful lesions that develop inside your mouth. They commonly appear after stress, minor mouth injuries, or hormonal changes, as well as with certain ...

We’ve all been there: you’re about to enjoy a delicious meal, but one tiny, painful spot in your mouth turns every bite into a nightmare. If you’re currently dealing with that sharp, stinging pain, ...

Experts explain what they do, and don’t, recommend. Ask Well Experts explain what they do, and don’t, recommend. Credit...Joyce Lee for The New York Times Supported by By Erica Sweeney Q: I get cold ...

Cold sores — also called fever blisters — are a common viral infection. They are tiny, fluid-filled blisters on and around your lips. These blisters are often grouped together in patches. After the ...

Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy. They can look similar on the surface, but their ...