canker sore
nounDefinition of canker sore
: a painful shallow ulcer of the mouth that has a grayish-white base surrounded by a reddish inflamed area and is of uncertain cause but is not due to the virus causing herpes simplex — compare cold sore
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The products--sold under brand names like Orajel and Chloraseptic, as well as store brands and generics--are often used for relief from sore throats, canker sores and other oral irritations, according to the FDA. — Laura Mcknight, NOLA.com, "Teething gels pose 'serious risk' to babies, FDA warns," 23 May 2018 Most canker sores resolve on their own within one to two weeks. — Roni Caryn Rabin, New York Times, "What Causes Canker Sores?," 16 Mar. 2018 Now, for the burning question: Is alum a miracle treatment for canker sores? — Zahra Barnes, SELF, "Why Trying to Cure Canker Sores With Alum May Not Be Worth It," 12 Dec. 2017 Then, like an unsightly canker sore on the lips of its résumé, lives the measly four takeaways which leave them tied for second-worst in the NFL. — Paul Dehner Jr., Cincinnati.com, "Cincinnati Bengals notes: Turnovers a glaring gap," 26 Oct. 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'canker sore.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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