What is a cold sore?

Cold sore, known medically as herpes labialis are very common and are easily recognised because they often appear as blisters around the lips and mouth.

They pop up in response to a viral infection.They are often uncomfortable and can make some people feel very self-conscious.

Some people only get a cold sore once. Others find they have several during the year.

There’s no cure! Once you’ve got the virus, unfortunately, you’ve got it for life.