What Is a Cold Sore? A cold sore is a group of tiny, painful blisters caused by the herpes simplex virus (HSV). They're also called fever blisters or herpes simplex labialis. Up to 90% of people ...

Add Yahoo as a preferred source to see more of our stories on Google. Cold sores occur around the mouth area and resemble blisters or a cluster of blisters. Carlos Ciudad Photography/Getty Images Cold ...

It's no secret that cold sores tend to pop up during periods of stress and then take another two or three weeks to go away. But new research offers a clearer understanding of why stress, illness and ...

Cold sores resemble small blisters on the lip or around the mouth. Many people carry the virus that causes cold sores. The virus always remains in the body, even after the physical symptoms disappear ...

Cold sores typically go away within 2-4 weeks on their own. But you can speed up the healing process with over-the-counter (OTC) creams containing docosanol. You can also reduce inflammation with OTC ...

First, you’re not alone. Up to 80% of American adults have the herpes simplex virus (HSV-1), which can cause cold sores (also known as fever blisters), according to Johns Hopkins. The viral infection ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman with a cold sore When we say "cold sore," you probably know what we're talking about: the annoying red bump on your lip that ...

Cold sores are contagious and spread through contact, such as kissing and sharing drinks. You can get pimples from bacteria ...

Aldara cream can delay the return of cold sores, but it can cause severe inflammation, according to a report in the journal Clinical Infectious Diseases. Subscribe to read this story ad-free Get ...