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 ...

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 ...

Did you know that a person with a cold sore could be contagious for 15 days? Cold sores are a group of tiny, painful blisters caused by the herpes simplex virus (HSV1, HSV2). They’re also called fever ...

You already know that lemons can clean almost everything in your house, but recent studies have proven that lemon balm essential oil effectively kills the herpes virus. Since all cold sores are caused ...

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 ...

In TODAY.com's Expert Tip of the Day, a doctor reveals the important clues about your health that can be found in your snot.

What if someone told you that the nasal decongestants, pain relievers, skin ointments and cough suppressants that you spend a fortune on at the drugstore every year could be replaced with one, small, ...

If you get sick with a cold during the summer, it might catch you by surprise. It turns out those rays of sunshine can't protect you from the pesky viruses that cause the common cold. And while it's ...