Mouth and lip sores are often caused by an injury, medical condition or sometimes herpes simplex virus. Learn how to soothe ...

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 ...

Canker sores are painful ulcers that form inside your mouth. The sores can affect daily habits like eating and drinking. Experts recommend key practices like regular teeth brushing and flossing to ...

Stress is thought to boost the activity of leukocytes, immune cells linked to inflammation throughout the body, including in ...

Medically reviewed by William Truswell, MD Cold sores are contagious and spread through contact, such as kissing and sharing ...

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 ...

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 ...

That painful sore that appeared inside your cheek makes eating spicy foods pure torture and talking uncomfortable. While you might dismiss it as just another annoying canker sore that will heal on its ...

Hand, foot, and mouth disease is a common viral illness that causes, symptoms like fever, rash, and mouth sores. Though HFMD occurs most often in children, adults can get it, too, and may have ...