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 ...

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 ...

They can be painful, ugly and irritating and can be caused by a bacteria, viral or fungal infection. Trauma from a sharp edge of a broken tooth or a filling or an ill-fitting denture or appliance also ...

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 ...