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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Consuming dairy with ciprofloxacin may lower its absorption rate by one-third to one-half.9
Take fluoroquinolone antibiotics on an empty stomach and at least two hours before consuming dairy.10
3.
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Carrie Madormo, Verywell Health, 8 Oct. 2025
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
The United States maintains stockpiles of strategic medicines—the supply of ciprofloxacin is meant to cover 12 million people for 60 days—but emergency stockpiles are no answer for the chronic drug shortages already prevalent in the United States.
—Thomas J. Bollyky, Foreign Affairs, 22 July 2025
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Carrie Madormo, Verywell Health, 8 Oct. 2025
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
The United States maintains stockpiles of strategic medicines—the supply of ciprofloxacin is meant to cover 12 million people for 60 days—but emergency stockpiles are no answer for the chronic drug shortages already prevalent in the United States.
—Thomas J. Bollyky, Foreign Affairs, 22 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 31 Oct. 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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