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 ...

Waking up with a spot on your lip is never a good feeling. Often cold sores or pimples are to blame, though telling the difference isn't always easy. They can look similar on the surface, but their ...

Cold sores or fever blisters are a viral infection caused by the herpes simplex virus (HSV) – specifically, herpes simplex virus type 1 (HSV-1) that appear as fluid-filled blisters around the lips ...