Cold sores are caused by the herpes simplex virus (HSV) which is often transmitted from person to person during kissing. Once it has infected the body, the virus lies dormant, generally being kept ...

Cold sores are painful blisters on the lips that can form unsightly crusts. They are very common and are caused by the herpes simplex virus. The medical name for facial cold sores is herpes labialis.

What is the difference between a canker sore and a cold sore? Canker sores and cold sores are common but distinct oral conditions that often get confused. Understanding the difference is key to ...

With the breezy cold wave, comes the season of cold and cough. A sore throat, often a common symptom of a cold or cough, can be extremely uncomfortable and bothersome. The pain or scratchiness in ...

You woke up with an unsightly cold sore — but hiding out at home isn’t an option. What can you do? First, you’re not alone.