Cefazolin

Mechanism of Action
Cefazolin is a bactericidal agent that acts by inhibition of bacterial cell wall synthesis.
Resistance
Predominant mechanisms of bacterial resistance to cephalosporins include the presence of extended-spectrum beta-lactamases and enzymatic hydrolysis.
Antimicrobial Activity
Cefazolin has been shown to be active against most isolates of the following microorganisms, both in vitro and in clinical infections
Gram-Positive Bacteria
Staphylococcus aureus
Staphylococcus epidermidis
Streptococcus agalactiae
Streptococcus pneumoniae
Streptococcus pyogenes
Methicillin-resistant staphylococci are uniformly resistant to cefazolin.
Gram-Negative Bacteria
Escherichia coli
Proteus mirabilis
Most isolates of indole positive Proteus (Proteus vulgaris), Enterobacter spp., Morganella morganii, Providencia rettgeri, Serratia spp., and Pseudomonas spp. are resistant to cefazolin.


 

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Cefazolin