Why are they called Fever sores?
So why the confusion? Cold sores have been called fever blisters in the past because they often appeared when someone had a fever. But fever blisters are caused by the exact same virus as cold sores, because they are the same thing. Discover how to treat and prevent fever blisters with our top lip care tips.
So why the confusion? Cold sores have been called fever blisters in the past because they often appeared when someone had a fever. But fever blisters are caused by the exact same virus as cold sores, because they are the same thing. Discover how to treat and prevent fever blisters with our top lip care tips.