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 ...

Anyone who has suffered from a cold sore outbreak can attest that the experience is far from pleasant. A small canker-like sore develops somewhere on the lip, and it continues to grow and become more ...

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 ...