NCIt definition : A semi-synthetic, broad-spectrum, beta-lactamase resistant, second-generation cephalosporin
antibiotic derived from cephasporium. The bactericidal activity of loracarbef results
from the inhibition of bacterial cell wall synthesis through interference with the
cross-linking of peptidoglycan units. This results in a reduction of cell wall stability
and causes cell lysis. Loracarbef is more active against a variety of gram-negative
organisms but less active against gram-positive pathogens compared to first-generation
agents.;