cephalexin

cephalexin

[sef-uh-lek-sin]
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:
1965–70; cephal(osporin) + -ex- of unclear derivation + -in2

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Medical Dictionary

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

The American Heritage® Stedman's Medical Dictionary
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