Canker sore
Also called: aphthous ulcer
A small, shallow sore inside the mouth or at the base of the gums.
- Usually self-treatable
- Usually self-diagnosable
- Lab tests or imaging not required
- Short-term: resolves within days to weeks
Unlike a cold sore, a canker sore doesn't occur on the lips and isn't contagious.
Very common: More than 2 million cases per year (Indonesia)
Consult a doctor for medical advice
Sources: Mitra Keluarga and others. Learn more
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A canker sore is a painful, noncontagious sore inside of your mouth. Canker sores may be triggered by stress, acidic foods or minor trauma.
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