Meaning of cephalexin

ceph•a•lex•in

Pronunciation: (sef"u-lek'sin), [key]
— n. Pharm.
  1. an oral, antimicrobial drug, CHNOS, used in treating minor respiratory and urinary tract infections and as a backup or alternative to penicillin treatment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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