Cold sores or fever blisters are a viral infection caused by the herpes simplex virus (HSV) – specifically, herpes simplex ...

Dermatologists give us the low-down. Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples ...

So, what exactly are cold sores? According to Dr Kakai Kulabusia, a medical immunology specialist, these are small blister-like spots that appear in or around the outside of the mouth and are caused ...