Piperacillin/tazobactam 3.375 g IV q6h (or 4.5 g IV q8h)
OR
Imipenem 500 mg IV q6h (단독 없음; cilastatin과의 복합 주사제만 있음)
Meropenem 1 g IV q8h
ALTERNATIVELY, CONSIDER
Cefepime 2 g IV q8-12h
Ceftazidime 2 g IV q8h
Ciprofloxacin 400 mg IV q12h
Levofloxacin 750 mg IV q24h
PLUS
Metronidazole 500 mg IV/PO q6-8h
Polymicrobial infection caused by a variety of endogenous anaerobic and facultative bacteria
Peptostreptococci
Bacteroides spp.
Enterobacteriaceae
Viridans Streptococci
Enterococci