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A member asked:
How long does a mouth ulcer takes to heal? its been 3 days and mine hasnt healed.
3 doctors weighed in across 2 answers
Mouth sores: Canker sores also called aphthous ulcers usually take 7-10 days to heal completely. Other sores can take less or more. Any sore or lesion lasting longer than 2 weeks should be seen to confirm diagnosis and make sure it's not something serious that requires treatment.
Answered 8/3/2018
4.1k views
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7-10 days: Typically 7-10 days.
Answered 5/1/2014
4.1k views
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