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 ...

Another canker sore. What did you do to deserve this ... another challenge to immunity. Or they could pop up with “any ...

Canker sores inside mouths are one of the most nagging problems that we humans can experience. The word canker comes from Latin cancer, but here it means an eroding/erosive ulcer that spreads out.

Causes of a sore throat on one side includes the flu, tonsillitis, a canker sore, or a tumor. Look out for other symptoms to help you identify what's causing your sore throat on one side.