Canker sores are painful ulcers that form inside the mouth. Most people get their first canker sore during their teenage years. About 2–4 canker sores can develop at the same time. Approximately 1 in ...

Canker sores, though often overlooked, are a common oral health issue that can cause considerable discomfort. These small, painful ulcers typically form inside the mouth and can interfere with daily ...

Like an annoying house pest, canker sores are a minor inconvenience that can really do a damper on your days. The little, painful spots interfere with regular, daily things like eating lunch, brushing ...

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 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 ...

I’ve been plagued with canker sores since I was approximately 7 years old, and I’ve cursed every single one of them. They make eating painful and embarrassing—chomping down on one can make you see ...

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

Canker sores are inflamed spots in your mouth that cause pain and typically heal within a couple of weeks. Oral cancer may cause raised spots or patches in your mouth that worsen over time. Share on ...

Can Ulcerative Colitis Cause Mouth Sores? Ulcerative colitis (UC) is a type of inflammatory bowel disease (IBD). UC is a chronic (lasting and persistent) condition that mainly affects the colon, part ...