Dosing (for adults with normal renal function)¶ | Activity against PseudomonasΔ | |
Beta-lactam/beta-lactamase inhibitors | ||
Ampicillin-sulbactam | 3 g every 6 hours | No |
Piperacillin-tazobactam◊ | 3.375 g every 6 hours or 4.5 g every 6 to 8 hours | Yes, when dosed 4.5 g every 6 hours |
Carbapenems | ||
Imipenem-cilastatin◊ | 500 mg every 6 hours | Yes |
Meropenem◊ | 1 g every 8 hours | Yes |
Ertapenem | 1 g every 24 hours | No |
Combination regimens | ||
Metronidazole PLUS one of the following: | 500 mg every 8 hours | No |
Ceftriaxone | 1 to 2 g every 24 hours | No |
Ceftazidime◊ | 1 to 2 g every 8 hours§ | Yes, when 2 g dose is used |
Cefepime◊ | 2 g every 8 to 12 hours¥ | Yes |
Ciprofloxacin‡ | 400 mg IV every 8 to 12 hours | Yes† |
Levofloxacin | 750 mg IV every 24 hours | Yes† |
Moxifloxacin | 400 mg every 24 hours | No |
Aztreonam‡ | 2 g every 8 hours | Yes† |
PLUS one of the following if MRSA coverage is warranted | ||
Vancomycin** | 15 to 20 mg/kg every 8 to 12 hours | |
Linezolid¶¶ | 600 mg every 12 hours | |
DaptomycinΔΔ | 4 to 6 mg/kg every 24 hours |
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