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 ...

What Is a Cold Sore? A cold sore is a group of tiny, painful blisters caused by the herpes simplex virus (HSV). They’re also called fever blisters or herpes simplex labialis. Up to 90% of people ...

What Is a Cold Sore? A cold sore is a group of tiny, painful blisters caused by the herpes simplex virus (HSV). They're also called fever blisters or herpes simplex labialis. Up to 90% of people ...

Wondering how to get rid of a cold sore? Although these normally clear up on their own, cold sores can be painful while they ...

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 ...

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 ...

Cold sores are caused by the herpes simplex virus and can be both painful and disruptive. While a poor diet can weaken the immune system and increase susceptibility, certain healthy foods may also ...

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 ...