cephalexin
noun
ceph·a·lex·in
ˌse-fə-ˈlek-sən 
: a semisynthetic cephalosporin C16H17N3O4S with a spectrum of antibiotic activity similar to the penicillins
Examples of cephalexin in a Sentence
Recent Examples on the Web
According to Bourgeois, amoxicillin, amoxicillin/clavulanate, and cephalexin are all especially susceptible.4
Nitroglycerin tablets and sprays: Heat can break down nitroglycerin, lowering its potency.
—
Rachel Murphy, Verywell Health, 15 July 2024
Other choices, like nitrofurantoin, trimethoprim/sulfamethoxazole, or cephalexin, have more effectiveness with less risk of toxicity.
—Dr. Keith Roach, oregonlive, 13 Mar. 2023
The most common organism responsible for perichondritis is a bug called Pseudomonas aeruginosa, a virulent pathogen with the ability to resist many antibiotics, including the cephalexin prescribed by Jessica’s pediatrician.
—Rick Pescatore, Philly.com, 20 Oct. 2017
Jessica’s pediatrician diagnosed a mild case of a bacterial skin infection known as cellulitis, and gave her a prescription for an antibiotic, cephalexin, along with the standard precautions.
—Rick Pescatore, Philly.com, 20 Oct. 2017
Rachel Murphy, Verywell Health, 15 July 2024
Other choices, like nitrofurantoin, trimethoprim/sulfamethoxazole, or cephalexin, have more effectiveness with less risk of toxicity.
—Dr. Keith Roach, oregonlive, 13 Mar. 2023
The most common organism responsible for perichondritis is a bug called Pseudomonas aeruginosa, a virulent pathogen with the ability to resist many antibiotics, including the cephalexin prescribed by Jessica’s pediatrician.
—Rick Pescatore, Philly.com, 20 Oct. 2017
Jessica’s pediatrician diagnosed a mild case of a bacterial skin infection known as cellulitis, and gave her a prescription for an antibiotic, cephalexin, along with the standard precautions.
—Rick Pescatore, Philly.com, 20 Oct. 2017
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cephalexin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Cephalexin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cephalexin. Accessed 31 Oct. 2024.
Copy CitationMedical Definition
cephalexin
noun
ceph·a·lex·in
ˌsef-ə-ˈlek-sən
: a semisynthetic cephalosporin C16H17N3O4S with a spectrum of antibiotic activity similar to the penicillins that is often administered in the form of its hydrochloride C16H17N3O4S·HCl or monohydrate C16H17N3O4S·H2O
Note: Cephalexin is marketed under the trademark Keflex.
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