Herpes is a common infection caused by herpes simplex viruses. It can cause painful blisters that come and go, usually around the mouth and genitals. Many people who are infected don’t know it. It’s ...

Recurrent herpes simplex labialis, also known as oral herpes, is a condition of the mouth area caused by the herpes simplex virus. It’s a common and contagious condition that spreads easily. According ...