While children play in winter wonderlands, families nestle together near the fire, and workers attend their annual holiday party, viruses are plotting to give them a cold. As an infectious disease ...

Cold sores, also known as fever blisters, can appear on your mouth or lip and are usually caused by oral herpes or herpes simplex virus type 1 (HSV-1). “It’s extremely ubiquitous,” says Alexandra ...

When you don’t feel well, you want a quick fix. You might be familiar with treatments for allergies or the common cold. But what about cold sores? These fluid-filled blisters commonly found on or ...

Alas, those little (or uh, not so little) red bumps seem to pop up whenever they damn well please and wreak havoc on your life. A cold sore is an infection caused by the herpes simplex virus (HSV), ...

There are five stages of cold sores. These lead from the initial tingling in the area to the healing stage. Cold sores, also known as herpes labialis, are caused by nongenital herpes simplex virus ...