Methicillin-Sensitive Staphylococcus Aureus (MSSA): Difference between revisions

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Revision as of 08:01, 4 March 2014

Background

Antibiotic Sensitivities[1]

Organisms ' Staph. aureus (MSSA)
Penicillins Penicillin G 0
Penicillin V 0
Anti-Staphylocccal Penicillins Methicillin +
Nafcillin/Oxacillin +
Cloxacillin/Diclox. +
Amino-Penicillins AMP/Amox 0
Amox/Clav +
AMP-Sulb +
Anti-Pseudomonal Penicillins Ticarcillin 0
Ticar-Clav +
Pip-Taxo +
Carbapenems Piperacillin 0
Doripenem +
Ertapenem +
Imipenem +
Meropenem +
Aztreonam 0
Fluroquinolones Ciprofloxacin +
Ofloxacin +
Pefloxacin +
Levofloxacin +
Moxifloxacin +
Gemifloxacin +
Gatifloxacin +
1st G Cephalosporin Cefazolin +
2nd G. Cephalosporin Cefotetan +
Cefoxitin +
Cefuroxime +
3rd/4th G. Cephalosporin CefoTAXime +
Cefizoxime +
CefTRIAXone +
Ceftobiprole +
Ceftaroline +
CefTAZidime +/-
Cefepime +
Oral 1st G. Cephalosporin Cefadroxil +
Cephalexin +
Oral 2nd G. Cephalosporin Cefaclor/Loracarbef +
Cefproxil +
Cefuroxime axetil +
Oral 3rd G. Cephalosporin Cefixime 0
Ceftibuten 0
Cefpodox/Cefdinir/Cefditoren +
Aminoglycosides Gentamicin +
Tobramycin +
Amikacin +
Chloramphenicol +/-
Clindamycin +
Macrolides Erythromycin +/-
Azithromycin +
Clarithromycin +
Ketolide Telithromycin +
Tetracyclines Doxycycline +/-
Minocycline +/-
Glycylcycline Tigecycline +
Glyco/Lipoclycopeptides Vancomycin +
Teicoplanin +
Telavancin +
Fusidic Acid +
Trimethoprim +/-
TMP-SMX +
Urinary Agents Nitrofurantoin +
Fosfomycin
Other Rifampin +
Metronidazole 0
Quinupristin dalfoppristin +
Linezolid +
Daptomycin +
Colistimethate 0

Key

  • S susceptible/sensitive (usually)
  • I intermediate (variably susceptible/resistant)
  • R resistant (or not effective clinically)
  • S+ synergistic with cell wall antibiotics
  • U sensitive for UTI only (non systemic infection)
  • X1 no data
  • X2 active in vitro, but not used clinically
  • X3 active in vitro, but not clinically effective for Group A strep pharyngitis or infections due to E. faecalis
  • X4 active in vitro, but not clinically effective for strep pneumonia

Table Overview

See Also

References

  1. Sanford Guide to Antimicrobial Therapy 2010