Strep. Groups A, B, C, G

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Antibiotic Sensitivities[1]

Organisms ' Strep, Group A, B, C, G
Penicillins Penicillin G +
Penicillin V +
Anti-Staphylocccal Penicillins Methicillin +
Nafcillin/Oxacillin +
Cloxacillin/Diclox. +
Amino-Penicillins AMP/Amox +
Amox/Clav +
AMP-Sulb +
Anti-Pseudomonal Penicillins Ticarcillin +
Ticar-Clav +
Pip-Taxo +
Carbapenems Piperacillin +
Doripenem +
Ertapenem +
Imipenem +
Meropenem +
Aztreonam 0
Fluroquinolones Ciprofloxacin +/-
Ofloxacin +/-
Pefloxacin 0
Levofloxacin +
Moxifloxacin +
Gemifloxacin +
Gatifloxacin +
1st G Cephalo Cefazolin +
2nd G. Ceph Cefotetan +
Cefoxitin +
Cefuroxime +
3rd/4th G. Ceph Cefotaxime +
Cefizoxime +
CefTRIAXone +
Ceftobiprole +
Ceftaroline +
CefTAZidime +
Cefepime +
1st G. Ceph Cefadroxil +
Cephalexin +
2nd G. Ceph Cefaclor/Loracarbef +
Cefproxil +
Cefuroxime axetil +
3rd G. Ceph Cefixime +
Ceftibuten +
Cefpodox/Cefdinir/Cefditoren +
Aminoglycosides Gentamicin 0
Tobramycin 0
Amikacin 0
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