Cold sores are common, and they can sometimes appear under the nose. Learn about the symptoms, causes, treatment, and prevention of cold sores under the nose.

We understand how frustrating and painful cold sores can be. That's why we've researched and tested various products to bring you a list of the best cold sore ...

Acyclovir comes in several prescription forms, including an oral tablet. The acyclovir oral tablet is used to treat viral infections like shingles, genital herpes, and chickenpox. This form is ...

Encephalitis is a medical emergency. Learn the distinct, time-sensitive strategies for treating HSV, West Nile virus, and rabies infections.

If you’re prone to cold sores, take a prescribed oral medication for two to five days before treatment. (Dr. Korman suggests asking your doctor for acyclovir. And Cyre reveals that “While lip blush is ...

"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.

Cold sores are small blisters that usually appear around the mouth. Find out how long they last, the stages of healing, and treatments that may help.

The cold sore-causing Herpes Simplex Virus (HSV-1) hijacks human cells and reconfigures its DNA within just an hour after infection, according to a new study that may help tackle the pathogen.

Cold sores and angular cheilitis can look somewhat similar, but they’re two different conditions. Learn more.

When the seventh season of Love Island USA premiered, an X user had a prophecy: “The entire Love Island franchise can be brought down by a single cold sore.” Dramatic? Yes. A joke? Probably ...