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cephalexin

American  
[sef-uh-lek-sin] / ˌsɛf əˈlɛk sɪn /

noun

Pharmacology.
  1. an oral, antimicrobial drug, C 16 H 7 N 3 O 4 S, used in treating minor respiratory and urinary tract infections and as a backup or alternative to penicillin treatment.


Etymology

Origin of cephalexin

1965–70; cephal(osporin) + -ex- of unclear derivation + -in 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Orthopedist No. 3 put me on sulfamethoxazole/trimethoprim and cephalexin, which seemed to work, or so I convinced myself.

From Scientific American

Cyrus’ rep says the singer suffered from a sinus infection last week during her “Bangerz” tour and had “an extreme allergic reaction” to the antibiotic cephalexin on Tuesday.

From Time

The "Wrecking Ball" singer, who has canceled shows in Kansas City, Missouri, and St. Louis earlier this week, posted a statement on Twitter saying she suffered an allergic reaction to the antibiotic cephalexin.

From Reuters

This family of antibiotics, which includes brands such as Keflex and the generic cephalexin, are used to treat illnesses, including pneumonia and salmonella infections in children.

From Washington Post

After two to three days, 97 percent of those on clindamycin had improved, and so had 94 percent of those on cephalexin.

From New York Times