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 ...

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 ...

Medically reviewed by Katlein Franca, MD Key Takeaways Cold sores form clusters of fluid-filled blisters at the lip line that ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman with a cold sore When we say "cold sore," you probably know what we're talking about: the annoying red bump on your lip that ...

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 ...

Like acne, a cold sore outbreak can be a frustrating dilemma that makes everyday activities (like eating, drinking and talking) cumbersome. With the right products, you can lessen the pain and ...

Medically reviewed by William Truswell, MD Cold sores are contagious and spread through contact, such as kissing and sharing ...

Cold sores, also known as oral herpes, can pass through sexual contact. However, they are not technically a sexually transmitted infection (STI), as people most often acquire cold sores through ...