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 cold sore is a group of small, painful blisters (ulcers) on your face caused by the herpes simplex virus (HSV). Although they typically show up around the outside of your mouth, you can also get ...

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 ...

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 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 ...

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 ...

While cold sores are not dangerous, they can be irritating — especially if you suffer from frequent outbreaks. Although they most commonly appear around the lips and mouth, cold sores can spread to ...