Dermatologists give us the low-down. 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.

Mouth ulcers could signal vitamin deficiencies. Discover how your mouth might be warning you about your nutritional health.

Canker sores are small, painful reddish lesions in the mouth that have a white or yellow center. Some causes of canker sores are spicy/acidic foods, vitamin deficiencies, braces, and stress.

Cold sores occur on the outside of the mouth and are caused by the herpes simplex virus. Canker sores are blisters inside the mouth that can occur due to injury, nutritional deficiencies ...

And in those miserable, wintry days of the pandemic, I was thankful that I could hide my mouth behind a face mask. I am not alone in feeling there is a stigma around cold sores, despite the fact ...

As the name implies, this viral illness usually causes sores to form on the hands, feet, and mouth. Sores can develop in the back of the mouth, near the sides of the throat, and one side may be ...

There are all kinds of reasons your lips might be chapped. The universally annoying and uncomfortable situation of a dry, flaky, tight, cracked pout might be due to cold weather, dehydration ...