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

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.

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.

Since there is a variety of light and deep colors, lip blushing can be customized for each skin tone. However, if you're experiencing a cold sore or other type of flare-up, it's best not to undergo ...

The herpes simplex virus type 1 (HSV-1), which affects almost two‑thirds of the world's population and is generally ...

A mouth ulcer is a painful and typically small lesion that develops in the mouth. Discover causes, how it compares to a cold sore, prevention tips, and more.

Consequently, fans of Love Island USA feared Nic's alleged cold sore would spread among the islanders, especially after a kissing game they played in the June 15 episode.

Scientists in Spain and China discovered that HSV-1 begins rewriting the architecture of human genes just one hour after ...

While virtually everyone is a candidate for lip blushing, there are a few exceptions: people who are prone to cold sores or have other skin flare-ups around the mouth.