Akron Children's Logo
Skip to main content
Close Tools Menu Icon

Operator:

330-543-1000

Questions or Referrals:
ASK CHILDREN‘S

Close Phone Menu Icon
Home > Kidshealth

For Kids

What Are Canker Sores?

Print Page

Canker Sore

Say: KAN-kur

This is a small mouth sore that's a big pain. Canker sores are open sores that have a white or yellowish coating and are usually about ¼ of an inch across. You might find them on the inside of your lips and cheeks, at the base of your gums, and on or under your tongue.

Back to top of page

By using this site, you consent to our use of cookies. To learn more, read our privacy policy.