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 ...

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 ...

DEAR MAYO CLINIC: My husband suffers from canker sores. He seems to get a new one almost every week, and at different places in his mouth. These sores are very painful. We’ve tried everything to get ...

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 ...

Magic mouthwash is often used to ease pain from mouth sores caused by chemotherapy or other treatments. The ingredients in magic mouthwash can include antihistamines, antacids, anesthetics, ...