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General health

Mumsnet doesn't verify the qualifications of users. If you have medical concerns, please consult a healthcare professional.

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Original poster

What's this!

7 replies

bedtimestories · 07/12/2025 21:01

Does anyone know what this is? My 12 yr old has just shown me it, the area is swollen

OP posts:

Merseymum1980 · 07/12/2025 21:06

Just looks like a canker sore
Maybe take to gp to get it swabbed?
Also bonjella, no salt
Can be caused by too much sugar or salt, hot food or lack of vitamin c

Ineedanewsofa · 07/12/2025 21:06

A mouth ulcer, get some bonjela on it!

butidid · 07/12/2025 21:08

Looks like a simple/apthous ulcer

https://www.nhs.uk/conditions/mouth-ulcers/

Mouth ulcers

Find out about mouth ulcers, including what they look like, what causes them, how to treat them, and how to avoid getting them.

https://www.nhs.uk/conditions/mouth-ulcers

vomitinapintglass · 08/12/2025 21:18

A mouth ulcer? Have you not had one?

RobinHumphries · 09/12/2025 16:51

Mouth ulcer

AwakeNotThruChoice · 09/12/2025 16:52

Just an ulcer. Bloody sore sometimes me and dd get them fairly regularly:(

Myoldbear · 09/12/2025 16:56

It will just be sore for a couple of days and then fade.

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