What Causes Cold Sores - What Causes Cold Sores? And How To Treat Them
What Causes Cold Sores ? Cold sores are caused by a virus called herpes (say: hur-peez). Herpes is one of the most common viral infections in the world. The medical name for the specific virus that causes cold sores is herpes simplex. There are two types of herpes simplex infection: herpes simplex virus one (called HSV-1 for short) and herpes simplex virus two (called HSV-2 for short). Although both can cause cold sores around a person's mouth, most are caused by HSV-1.
HSV-1 is so common that most Americans get infected with it, although many never have any symptoms. People can catch HSV-1 by kissing a person with a cold sore or sharing a drinking glass or utensils, so it's easy to see why there are so many cold sores around.
Kids who get infected with HSV-1 may get cold sores occasionally for the rest of their lives that