How should I treat canker sores?
Ask the doctor
I suffer from recurrent canker sores. What is the best way to treat and prevent these mouth ulcers?In general, there is no clear cause for cankers. Emotional stress or trauma like biting your cheek or lip sometimes triggers them, as can poor-fitting dentures. In some instances, the underlying problem is gluten allergy or a deficiency of a vitamin such as B12, so consult your doctor if you have recurring outbreaks.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.
Sign Me UpAlready a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
