Our stories are reviewed by medical professionals to ensure you get the most accurate and useful information about your health and wellness. For more information, visit our medical review board. This ...

A cold sore is an infection caused by the herpes simplex virus (HSV), and appear as fluid-filled blisters that develop on the lip or around the mouth, according to the American Academy of Dermatology ...

Canker sores often seem to pop up out of nowhere and, once you have them, they’re often painfully hard to ignore — especially when you try to eat or even talk. So what, exactly, are canker sores? They ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Like an annoying house pest, canker sores are a minor inconvenience that can really do a damper on your ...

Canker sores are painful ulcers on the soft tissues of the mouth. They can develop on the tongue or gums, but are most commonly found inside the lips. They are usually red with a white or yellow ...

Q: What causes canker sores? Why would I have a sudden outbreak of them in my mouth? A: There are several theories about what leads to canker sores, those painful ulcers that form inside the mouth, on ...

A canker sore—a painful white ulcer inside the mouth—might be brought on by stress. Or the wrong toothpaste. Or certain foods: tomatoes, peanuts, cinnamon. Or an iron deficiency. Or an allergy. Or a ...

Cold sores are blisters that usually appear on the lips or around the mouth. The herpes simplex virus causes cold sores, and while there is no cure, cold sore creams can ease symptoms and slightly ...

Every time Sarah publishes a story, you’ll get an alert straight to your inbox! Enter your email By clicking “Sign up”, you agree to receive emails from ...