Before you try to cover up a cold sore, there are some pretty important hygiene and application tips to keep in mind. Share on Pinterest Photographer, Basak Gurbuz Derman/Getty Images The herpes ...

Medically reviewed by Katlein Franca, MD Key Takeaways Cold sores form clusters of fluid-filled blisters at the lip line that ...

Cold, dry weather can cause lip irritation, cracking, and cold sores. Blistex offers several over-the-counter products to treat cold sores and moisturize lips. Using antiviral creams at the first sign ...

Add Yahoo as a preferred source to see more of our stories on Google. Woman with a cold sore When we say "cold sore," you probably know what we're talking about: the annoying red bump on your lip that ...

Like acne, a cold sore outbreak can be a frustrating dilemma that makes everyday activities (like eating, drinking and talking) cumbersome. With the right products, you can lessen the pain and ...

Experts explain what they do, and don’t, recommend. Ask Well Experts explain what they do, and don’t, recommend. Credit...Joyce Lee for The New York Times Supported by By Erica Sweeney Q: I get cold ...

Casey Gallagher, MD, is a dermatologist and clinical professor in the Department of Dermatology at the University of Colorado Denver. Cold sores are contagious until they are completely healed.

Cold sores, also known as oral herpes, can pass through sexual contact. However, they are not technically a sexually transmitted infection (STI), as people most often acquire cold sores through ...

A nasal cold sore typically causes a burning sensation and blisters. Treatments like ointments and home remedies may help reduce symptoms. Cold sores are caused by the herpes simplex virus. This ...