They commonly pop up on the inside of the lip or cheeks. Canker sores have a litany of causes including trauma, hormonal changes, stress, and food allergies, explains Hannah Kopelman, D.O., a ...

Learn how to identify a cold sore vs. a pimple, canker sore, or chapped lips, and how to treat the problem fast.

Viral infections like herpes simplex, fungal infections such as oral thrush, or bacterial infections can all result in sores, according to Dr Maneendra. Canker sores, or aphthous ulcers ...

Considering taking supplements to treat canker sores? Below is a list of common natural remedies used to treat or reduce the symptoms of canker sores. Follow the links to read common uses ...