Cold sores are a lesion that can appear on and around the mouth. While they aren't dangerous, they can be uncomfortable, itchy, and unsightly. Cold sores usually resolve themselves within a few ...

Cold sores can be a frustrating and uncomfortable experience, but they’re incredibly common and usually nothing to worry about health-wise. The small, fluid-filled blisters typically appear ...

Scientists have a new target to prevent cold sores after University of Virginia School of Medicine researchers discovered an unexpected way the herpes virus re-activates in the body.