A canker sore is a painful, open sore in the mouth. Canker sores are white or yellow and surrounded by a bright red area. They are not cancerous.
A canker sore is not the same as a
Aphthous ulcer; Ulcer - aphthous
Canker sores are a common form of
Canker sores may also be linked to problems with the body's immune...Read more
There are a number of skin problems associated with diabetes, especially type 2 diabetes. For some people, skin problems are the first sign... Read more »