cephalexin

cephalexin /ceph·a·lex·in/ (-lek´sin) a semisynthetic first-generation cephalosporin, effective against a wide range of gram-positive and a limited range of gram-negative bacteria; used as the base or the hydrochloride salt.

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ceph·a·lex·in (sf-lksn)

n.

A semisynthetic cephalosporin antibiotic used especially in the treatment of respiratory and urinary tract infections.

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cephalexin (sef´lek´sin),

n brand names: Ceporex, Keftab, Keflex;
drug class: first-generation cephalosporin;
action: inhibits bacterial cell wall synthesis, rendering cell wall osmotically unstable;
uses: removal of gram-negative bacilli from the upper and lower respiratory tracts, urinary tract, and skin; treatment of bone infections and otitis media.

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cephalexin

a first generation cephalosporin antibiotic which is effective following oral administration. It is widely used in bacterial infections of the skin in dogs and cats.