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 3 million US cases per year
Consult a doctor for medical advice
Sources: Mayo Clinic and others. Learn more
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Apr 3, 2018 · Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your ...
Jun 9, 2022 · A canker sore is a painful, noncontagious sore inside of your mouth. Canker sores may be triggered by stress, acidic foods or minor trauma.
An aphthous ulcer is the most common ulcerative condition of the oral mucosa, and presents as a painful punched-out sore on oral or genital mucous membranes ...
Dec 28, 2022 · Minor aphthous ulcers (MiAUs) are usually self-limiting, with the usual duration being about 10-14 days without any active treatment. Major ...