fluoroquinolone

noun

flu·​o·​ro·​quin·​o·​lone ˌflu̇r-ō-ˈkwi-nə-ˌlōn How to pronounce fluoroquinolone (audio)
: any of a group of fluorinated derivatives of quinolone that are used as antibacterial drugs

Examples of fluoroquinolone in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Certain drugs, like thyroid hormones, and drugs used to treat bacterial infections (antibiotics), such as tetracyclines and fluoroquinolones, may interfere with how collagen works in your body. Julie Marks, Verywell Health, 23 Apr. 2025 Different antibiotics may be prescribed in South Asia and Southeast Asia since Campylobacter is generally responsible for the condition in those areas, and some resistance to fluoroquinolones has been found. Maxine Lipner, Verywell Health, 30 Oct. 2024 To cite just one example, treatment with the antibiotic fluoroquinolone has been found to result in a rapid and significant decrease in the diversity and richness of the gut microbiota. Juergen Eckhardt, Forbes, 24 Sep. 2024 More than 80 percent of infections are caused by E. coli, and in a 2022 report, the World Health Organization found that one in five UTI infections caused by E. coli showed reduced susceptibility to standard antibiotics like ampicillin, co-trimoxazole, and fluoroquinolones. Emily Mullin, WIRED, 10 Sep. 2024 Almost all quinolones and fluoroquinolones end in ‘–floxacin’. New Atlas, 24 July 2024 Since the first macrolides were developed, efforts have been made to improve them by replacing their side chains with structures resembling fluoroquinolones. New Atlas, 24 July 2024 Quinolones are a large family of broad-spectrum antibiotics, almost all of which are fluoroquinolones. New Atlas, 24 July 2024 By the 1990s, the CDC was forced to switch to a class of antibiotics called fluoroquinolones, including ciprofloxacin (Cipro). Beth Mole, Ars Technica, 28 Mar. 2024

Word History

First Known Use

1984, in the meaning defined above

Time Traveler
The first known use of fluoroquinolone was in 1984

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Cite this Entry

“Fluoroquinolone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluoroquinolone. Accessed 1 May. 2025.

Medical Definition

fluoroquinolone

noun
flu·​o·​ro·​quin·​o·​lone -ˈkwin-ə-ˌlōn How to pronounce fluoroquinolone (audio)
: any of a group of fluorinated derivatives (such as ciprofloxacin and levofloxacin) of quinolone that are used as antibacterial drugs

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