cold sore
nounDefinition of cold sore
: a group of fluid-filled blisters appearing about or within the mouth that are caused by a herpes simplex virus and upon rupturing form crusts
— called also fever blister
— compare canker soreExamples of cold sore in a Sentence
Recent Examples on the Web
Neither Angus or myself have ever had a cold sore in our lives. — Michelle Gant, Fox News, "Parents whose newborn babies died from herpes warn about deadly virus," 19 July 2018 There’s some indication that an immune reaction—perhaps from something as seemingly benign as the microbes that cause cold sores or gum disease—could be a spark that launches a series of events that ultimately lead to an Alzheimer’s diagnosis. — Karen Weintraub, Scientific American, "Alzheimer’s Meeting: Lifestyle Factors Are the Best—and Only—Bet Now for Reducing Dementia Risk," 18 July 2019 For instance, overexposure to sunlight can bring about immune system suppression, which is why some people with herpes develop cold sores after spending time in the sun. — Nina Bahadur, SELF, "Why Does Spending Time in the Sun Make You So Tired?," 8 Sep. 2018 But despite being a great source of vitamins and minerals, the plans—which claim to flush the body of toxins, curing everything from headaches, nausea, and fatigue to cold sores, insomnia, and yeast infections—are controversial. — Courtney Rubin, Marie Claire, "Cleansing's Dirty Secret," 26 Apr. 2013 What about using tea tree oil for things like cold sores and warts? — Krissy Brady, SELF, "What Tea Tree Oil Can and Can’t Do for Your Skin," 4 Oct. 2018 That's another symptom, but the fear spreads faster than a cold sore from Bill Clinton. — Fox News, "Gutfeld: Be nicer. It will drive your enemies nuts," 5 Aug. 2018 Benzocaine is also used in popular over-the-counter products for toothaches and cold sores in adults, including Orajel and Anbesol and generic drugstore brands. — Matthew Perrone, BostonGlobe.com, "FDA warns teething medicines unsafe, wants them off shelves," 24 May 2018 Benzocaine is also used in popular over-the-counter products for toothaches and cold sores in adults, including Orajel and Anbesol and generic drugstore brands. — Matthew Perrone, BostonGlobe.com, "FDA warns teething medicines unsafe, wants them off shelves," 24 May 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cold sore.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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