Cold Sores
Cold sores are caused by herpes simplex virus and usually present as painful blisters around the lips that crust over as they heal.
Common questions
What causes them?
A herpes simplex virus infection.
What triggers flare-ups?
Illness, sunlight and other triggers may provoke recurrence.
Are they contagious?
Yes, especially while blisters are present.
Can I attend treatment?
Appointments may need to be adjusted depending on treatment type and lesion position.
When to contact us
Tingling or burning on the lip
Blisters around the lip margin
Recurrent episodes
S3 Dental advice: Call before your appointment if you have an active cold sore.