Add Yahoo as a preferred source to see more of our stories on Google. Anyone who’s ever developed a cold sore knows just how painful and annoying they can be. Often, the unwelcome guests don’t come ...

A cold sore or fever blister is caused by the herpes simplex virus (HSV). About 50 to 80 percent of American adults carry HSV type 1 (HSV-1), which is why this virus is the most common cause of cold ...

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 ...

Before you try to cover up a cold sore, there are some pretty important hygiene and application tips to keep in mind. Share on Pinterest Photographer, Basak Gurbuz Derman/Getty Images The herpes ...

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 ...

Is it a cold sore or a fever blister? You have a tiny, clear, and fluid-filled blister or group of blisters on your lip, it might itch, tingle, or burn. Is it a cold sore or fever blister? Technically ...

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 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 ...