cold sore
noun
: 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
Amelia first noticed her cold sore on October 14, three days after feeling small bumps on her lips.
—
Nina Turner, Newsweek, 30 Oct. 2024
Because of this, the department recommends that anyone with cold sores not kiss babies.
—Sara Belcher, People.com, 29 Oct. 2024
Herpes: Painful blisters around the mouth or genitals from herpes may benefit from cool compresses, cold sore creams, or lidocaine for relief.
—Susan Bard, Verywell Health, 27 Sep. 2024
In addition, McGill recommends patients who experience cold sores to take Valtrex in advance of treatments.
—Emily Burns, WWD, 26 Sep. 2024
See all Example Sentences for cold sore 
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Nina Turner, Newsweek, 30 Oct. 2024
Because of this, the department recommends that anyone with cold sores not kiss babies.
—Sara Belcher, People.com, 29 Oct. 2024
Herpes: Painful blisters around the mouth or genitals from herpes may benefit from cool compresses, cold sore creams, or lidocaine for relief.
—Susan Bard, Verywell Health, 27 Sep. 2024
In addition, McGill recommends patients who experience cold sores to take Valtrex in advance of treatments.
—Emily Burns, WWD, 26 Sep. 2024
See all Example Sentences for cold sore
Dictionary Entries Near cold sore
Cite this Entry
“Cold sore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cold%20sore. Accessed 18 Nov. 2024.
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