Herpes labialis is infection of the lips, mouth, or gums with the herpes simplex virus. It leads to the development of small, painful
Cold sore; Fever blister; Herpes simplex - oral; Oral herpes simplex
Herpes labialis is a common disease caused by infection of the mouth area with herpes simplex virus type 1. Most people in the United States are infected with this virus by age 20.