Cold sores occur around the mouth area and resemble blisters or a cluster of blisters. Carlos Ciudad Photography/Getty Images Cold sores are caused by the herpes simplex virus (HSV-1), which is very ...

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 ...

Did you know that a person with a cold sore could be contagious for 15 days? Cold sores are a group of tiny, painful blisters caused by the herpes simplex virus (HSV1, HSV2). They’re also called fever ...

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 ...

For such a ubiquitous plague, cold sores can be mighty shaming. In addition to the indignity of wearing a bulging, weepy blister on your lip, sufferers also must contend with the stigma of its source: ...

Cold sores are common infections in children. They’re also called fever blisters, oral herpes, or herpes labialis. Despite their name, cold sores don’t have anything to do with colds. Cold sores are ...

Cold sores are blisters that can develop on the lips or around the mouth when a person has the herpes simplex virus (HSV). There is currently no cure, but there are treatment options to help control ...

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 ...

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 ...