Canker sores are small, painful reddish lesions in the mouth that have a white or yellow center. Some causes of canker sores are spicy/acidic foods, vitamin deficiencies, braces, and stress.

It feels worse with every prodding poke. Another canker sore. What did you do to deserve this? Maybe nothing at all. “Most times, we don’t know why they come,” says Dr. Alessandro Villa ...

What is the difference between a canker sore and a cold sore? Canker sores and cold sores are common but distinct oral ...

Canker sores and oral cancer lesions may seem similar but there are ways to tell the difference. A lesion that's red, typically flat, and painful early on is usually a canker sore (aphthous ulcer).

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.

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.