| Low Risk | High Risk |
---|---|---|
Single Agent | Cefoxitin | Imipenem-cilastatin |
 | Ertapenem | Meropenem |
 | Moxifloxacin | Doripenem |
 | Ticarcillin | Pipercillin-tazobactam |
 | Tigecycline |  |
Combination | Cefazolin | Cefepime |
 | Cefuroxime | Ceftazidime |
 | Ceftriaxone | Ciprofloxacin |
 | Cefotaxime | Levofloxacin |
 | Ciprofloxacin | +Metronidazole |
 | Levofloxacin |  |
 | +Metronidazole |  |