When you don’t feel well, you want a quick fix. You might be familiar with treatments for allergies or the common cold. But what about cold sores? These fluid-filled blisters commonly found on or ...

A mouth ulcer is a painful sore that can form anywhere inside your mouth. It usually looks red, yellow or white, and you may have one or several at the same time. Know symptoms, treatment, prevention ...

Wondering how to get rid of cold sores? You’re not the only one. Both cold sores and HSV-1 (herpes simplex virus type 1), the virus that typically causes them, are incredibly common. Having cold sores ...

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 ...