ciprofloxacin
noun
cip·ro·flox·a·cin
ˌsi-prə-ˈfläk-sə-sən 
-prō-
: a broad-spectrum fluoroquinolone antibiotic C17H18FN3O3 that is often administered in the form of its hydrochloride C17H18FN3O3·HCl and is effective especially against gram-negative bacteria
Examples of ciprofloxacin in a Sentence
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Taking magnesium with certain antibiotics, such as doxycycline and ciprofloxacin, can decrease the absorption of the antibiotic.
—
Health, 22 Sep. 2025
In the new research, when E. coli was exposed to ciprofloxacin alongside ibuprofen and paracetamol – both alone and especially when combined – the painkillers significantly increased genetic mutations in the bacteria.
—Khloe Quill, FOXNews.com, 28 Aug. 2025
Nearly 25 years ago, Americans discovered just how critical the antibiotic ciprofloxacin could be.
—Thomas J. Bollyky, Foreign Affairs, 22 July 2025
Further tests found predicted resistance to antibiotics such as nalidixic acid and reduced susceptibility to ciprofloxacin.
—Matt Cannon, MSNBC Newsweek, 11 July 2025
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Health, 22 Sep. 2025
In the new research, when E. coli was exposed to ciprofloxacin alongside ibuprofen and paracetamol – both alone and especially when combined – the painkillers significantly increased genetic mutations in the bacteria.
—Khloe Quill, FOXNews.com, 28 Aug. 2025
Nearly 25 years ago, Americans discovered just how critical the antibiotic ciprofloxacin could be.
—Thomas J. Bollyky, Foreign Affairs, 22 July 2025
Further tests found predicted resistance to antibiotics such as nalidixic acid and reduced susceptibility to ciprofloxacin.
—Matt Cannon, MSNBC Newsweek, 11 July 2025
See All Example Sentences for ciprofloxacin
Cite this Entry
“Ciprofloxacin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ciprofloxacin. Accessed 26 Sep. 2025.
Copy CitationMedical Definition
ciprofloxacin
noun
cip·ro·flox·a·cin
ˌsip-rə-ˈfläk-sə-sən, -rō-
: a fluoroquinolone C17H18FN3O3 that is often administered in the form of its hydrochloride C17H18FN3O3·HCl and is effective especially against gram-negative bacteria see cipro
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