Bacteroides fragilis

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Background

Antibiotic Sensitivities[1]

Category Antibiotic Sensitivity
Penicillins Penicillin G R
Penicillin V I
Anti-Staphylocccal Penicillins Methicillin R
Nafcillin/Oxacillin R
Cloxacillin/Diclox. R
Amino-Penicillins AMP/Amox R
Amox-Clav S
AMP-Sulb S
Anti-Pseudomonal Penicillins Ticarcillin R
Ticar-Clav S
Pip-Tazo S
Piperacillin R
Carbapenems Doripenem S
Ertapenem S
Imipenem S
Meropenem S
Aztreonam R
Fluroquinolones Ciprofloxacin R
Ofloxacin R
Pefloxacin R
Levofloxacin R
Moxifloxacin I
Gemifloxacin R
Gatifloxacin I
1st G Cephalo Cefazolin R
2nd G. Cephalo Cefotetan I
Cefoxitin S
Cefuroxime R
3rd/4th G. Cephalo Cefotaxime R
Cefizoxime I
CefTRIAXone R
Ceftaroline R
CefTAZidime R
Cefepime R
Oral 1st G. Cephalo Cefadroxil X1
Cephalexin R
Oral 2nd G. Cephalo Cefaclor/Loracarbef R
Cefproxil R
Cefuroxime axetil R
Oral 3rd G. Cephalo Cefixime R
Ceftibuten R
Cefpodox/Cefdinir/Cefditoren X1
Aminoglycosides Gentamicin R
Tobramycin R
Amikacin R
Chloramphenicol X2
Clindamycin I
Macrolides Erythromycin R
Azithromycin R
Clarithromycin R
Ketolide Telithromycin X1
Tetracyclines Doxycycline I
Minocycline I
Glycylcycline Tigecycline S
Daptomycin X1
Glyco/Lipoclycopeptides Vancomycin R
Teicoplanin X1
Telavancin R
Fusidic Acid X1
Trimethoprim X2
TMP-SMX R
Urinary Agents Nitrofurantoin X1
Fosfomycin X1
Other Rifampin X1
Metronidazole S
Quinupristin dalfoppristin X1
Linezolid I
Colistimethate X1

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 2014