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 ...

What Is a Cold Sore? A cold sore is a small blister that forms on the outer edge of the lip. Some people call cold sores fever blisters. Cold sores can appear one at a time or in little bunches.

In many cases, people become infected during childhood, and once this happens you carry the virus for life. However, not everyone who has HSV-1 gets cold sores. In fact most people who carry the ...

Typically, cold sores heal on their own within 1–2 weeks. However, if you develop any eye symptoms (or sores on your eye) during a cold sore outbreak, seek medical attention as soon as possible.

Many people with HSV-1 got it as kids during their preschool years (ages 3–5). Cold sores usually go away in about 1–2 weeks. No medicines can kill the virus. But some treatments can help make cold ...

For anyone who has eczema, the virus that causes cold sores can lead to a rare infection that can be life threatening. This infection develops when the virus that causes cold sores, the Herpes simplex ...

Cold sores are small blisters around the mouth. They are also called fever blisters. They are caused by the herpes simplex virus. The most common strain of the virus causing cold sores is herpes ...

Cold sores are patches of small, painful blisters that show up on your lips and around your mouth. They're usually caused by a strain of the herpes simplex virus -- HSV-1 -- which first enters ...

“Cold sores are caused by Human Simplex Virus,” says Dr. Tomassian. “Much of the population is infected with this virus and it stays dormant. Reactivation occurs during episodes of ...