Cold Sores

A cold sore is a small, painful, raised area of small, fluid-filled blisters. They usually happen where the lip joins the surrounding skin. The blisters are painful and dry up to make a yellow crust which gradually heals in a few days. Find more information on our official website at https://www.dentalhealth.org/cold-sores Facebook - https://www.facebook.com/dentalhealthorg/ Twitter - https://twitter.com/dentalhealthorg Instagram - @OralHealthFoundation 0:00 Introduction 0:04 What is a cold sore? 0:37 What causes cold sores? 1:18 When will cold sores appear? 1:59 Are cold sores infectious? 2:30 Can cold sores be treated? 3:18 Can I still have dental treatment if I have a cold sore?