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[sef-uh-lek-sin] /ˌsɛf əˈlɛk sɪn/
noun, Pharmacology.
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.
Origin of cephalexin
1965-70; cephal(osporin) + -ex- of unclear derivation + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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cephalexin in Medicine

cephalexin ceph·a·lex·in (sěf'ə-lěk'sĭn)
A semisynthetic analogue of cephalosporin used especially in the treatment of respiratory and urinary tract infections.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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