Cefazolin
General Spectrum of Activity

General Spectrum of Activity

Gram positive

  • Methicillin-susceptible Staphylococcus aureus (MSSA)
  • Coag-negative Staphylococci
  • Staph. epidermidis
  • Staph. lugdunesis
  • Staph. saprophyticus
  • Staph. anginosus group
  • viridans Streptococci
  • Group A,B,C,F,G Streptococci
  • *Strep. pneumoniae
  • Arcanobacter species

Gram negative

  • Susceptible E. coli
  • Susceptible Klebsiella oxytoca and pneumoniae
  • Susceptible Proteus mirabilis
  • Kingella species

Anaerobic

  • P. acnes
  • Peptostreptococci

Notable exceptions

  • H. influenzae
  • Enterococci
  • MRSA
  • Atypicals
  • Many gram negatives
  • Most anaerobes