WebMD Answers
No one knows what causes canker sores, or why women are more likely to get them. Outbreaks often seem related to physical or emotional stress. Unlike cold sores, canker sores are not contagious. They don't pose any health risk other than the discomfort that comes along with them.
This answer should not be considered medical advice...
This answer should not be considered medical advice and should not take the place of a doctor’s visit. Please see the bottom of the page for more information or visit our Terms and Conditions.![]()
The opinions expressed here are solely those of the User.
The opinions expressed here are solely those of the User.
User-generated content areas are not reviewed by a WebMD physician. WebMD understands that reading individual, real-life experiences can be a helpful resource, but it is never a substitute for professional medical advice. Please see the bottom of the page for more information or visit our Terms and Conditions.![]()