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appendix 2 Spectrum of Activity 285<br />

Table A–2<br />

Clinically Useful Spectra of Activity for Empiric Antibiotic Selection<br />

MSSA MRSA Strep Enterococci GNR Pseudo Anaerobes* Atypicals<br />

Penicillin G 11 1<br />

Piperacillin 11 1 1 11<br />

Amp/Sulb 11 11 11 1 11<br />

Pip/Tazo 11 11 11 11 11 11<br />

Cefazolin 11 11 1<br />

Cefuroxime 1 1 11<br />

Cefotetan 1 1 11 11<br />

Ceftriaxone 1 11 11<br />

Ceftazidime 11 11<br />

Cefepime 1 11 11 11<br />

Ceftaroline 11 1 11 11<br />

Aztreonam 11 11<br />

Imi/Mero/Dori 11 11 1 11 11 11<br />

Ertapenem 11 11 11 11<br />

Gent/tobra (syn † ) (syn † ) (syn † ) 11 11<br />

Ciprofloxacin 1/2 11 1 1<br />

Levofloxacin 11 11 1/2 11 1 11<br />

Moxifloxacin 11 11 1/2 11 1 11<br />

(Continues)

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