What Exactly is a Cold Sore?

What Exactly is a Cold Sore? Cold sores, also called fever blisters, are small wounds that appear on the lips or around the mouthnbsp; These sores seemingly appear at random and can be both painful and embarrassingnbsp; The reality is that the herpes simplex virus (HSV) causes cold sores Most people find the connection between herpes and cold sores to be very alarming, but it is notnbsp; There are two types of herpes simplex virus, HSV-1 and HSV-2nbsp; HSV-1 ...