So, you have a cold sore, otherwise known as oral herpes. 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 ...

If you’ve ever had a cold sore, you're familiar with the first hint of trouble. A tingling signals an unwelcome visitor is about to make an appearance, usually at the worst possible time. Soon, a ...

A mysterious bump near your lips can be unsettling. Is it a harmless pimple or something more serious like a cold sore? Distinguishing between the two is crucial for effective treatment and prevention ...

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 ...

What is the difference between a canker sore and a cold sore? Canker sores and cold sores are common but distinct oral ...

Our stories are reviewed by medical professionals to ensure you get the most accurate and useful information about your health and wellness. For more information, visit our medical review board. This ...

Humans can build space stations and vaccinate entire populations against a novel pandemic virus on short notice, yet cold sores still flare with little relief. Roughly two-thirds of the world’s ...

Can you reuse makeup after you've had a cold sore? What about a pimple? Here, a dermatologist reveals what you need to know. You may have already heard about needing to get rid of makeup after you’re ...

Cold sore-causing HSV-1 doesn't just hijack cells it reconfigures the entire architecture of our DNA to aid its invasion. Researchers discovered that it actively reshapes the 3D structure of the human ...

So, you have a cold sore, otherwise known as oral herpes. These fluid-filled blisters often found on or around the mouth are not only painful, they may also inflict feelings of shame. “People hear ...