HealthInfo Canterbury
Mouth ulcers
Kōmaoa ā-waha
Mouth ulcers are very common, affecting around one in five people. They're also known as apthous ulcers.
Most mouth ulcers will heal in around 10 to 14 days, but they can be very painful. If your ulcer hasn't gone away after two weeks, you should see your dentist or GP.
HealthInfo recommends the following pages
- DermNet NZ – Mouth ulcers
Mouth ulcers and how they're treated
Written by HealthInfo clinical advisers. Last reviewed March 2022.
Review key: HIDRY-74891
