Cold sores are small blisters that appear on or around your mouth, sometimes called 'oral herpes'. Most cold sores heal on their own within 2 weeks and don't leave scars. However, they're Herpes labialis, also called a cold sore, is usually caused by HSV 1. The virus stays in the body and can become active again later, so cold sores may come and How to Recognize Herpes: 3 Signs of Oral or Genital Outbreaks The Amino Company Can you get Herpes in your eye?