What causes a cold sore? A cold sore is “a reactivation of a latent herpes simplex virus infection,” says Adigun. People who get cold sores were once infected with the herpes simplex virus ...

As women transition into menopause their estrogen levels naturally decline. This can cause the most well-known menopause ...

Cold sores can decrease one's quality of life. We talked to an expert about how to address this incurable infection.

Question What is the difference between a canker sore and a cold sore? Answer Canker sores and cold sores are common but distinct oral conditions that often get confused. Understanding the difference ...

"Love Island" contestant Nic Vansteenberghe is being criticized for having a cold sore on the show. But he doesn't deserve the shame. Here's what to know.

FARGO - Unfortunately, we all know what a common cold feels like. But what's going on in the body to cause that runny nose, sore throat, sinus congestion and low-grade fever, and how do over-the ...

A cold sore is “a reactivation of a latent herpes simplex virus infection,” says Adigun. People who get cold sores were once infected with the herpes simplex virus, also known as herpes.

How cold sores are spread For many, the initial encounter with a cold sore occurs in infancy. It can happen through everyday gestures of affection, like a kiss from a doting relative, says Dr. Foyle.

Got a cold sore and wondering what you can do? Fox News Digital consulted with experts to determine the best course of action for dealing with an unsightly fever blister.