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
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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
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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
Dictionary Entries Near cephalexin
Cite this Entry
“Cephalexin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cephalexin. Accessed 30 Dec. 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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