Which cold sore treatment is best? Whether you call them cold sores or fever blisters, they’re all the same. These painful, itchy bumps that form on the lips and around the mouth make life difficult ...

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 ...

Cold, dry weather can cause lip irritation, cracking, and cold sores. Blistex offers several over-the-counter products to treat cold sores and moisturize lips. Using antiviral creams at the first sign ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’ve ever had a cold sore, you're familiar with the first hint of trouble. A tingling signals an unwelcome visitor is about ...

Casey Gallagher, MD, is a dermatologist and clinical professor in the Department of Dermatology at the University of Colorado Denver. Cold sores are contagious until they are completely healed.

Stress is thought to boost the activity of leukocytes, immune cells linked to inflammation throughout the body, including in ...