Ventilated patients:
| | |
Early onset, no risk factors | Cephalosporin II | • Cefuroxime 3 × 1.5 g |
|
or
| |
| Cephalosporin III | • Cefotaxime 3 × 2 g or |
| | • Ceftriaxone 2 × 1 g |
|
or
| |
| Aminopenicillin/β-lacatamase inhibitor | • Amoxicillin/clavulanic acid 3 × 2.2 g |
|
or
| |
| Third or fourth G quinolone | • Levofloxacin 2 × 500 mg |
|
or
| • Moxifloxacin 1 × 400 mg |
| Clindamycin/aztreonam | • Clindamycin 3 × 600 mg |
| | • Aztreonam 3 × 2 g |
Late onset, no risk factors | Quinolone | • Ciprofloxacin 3 × 400 mg |
|
or
| |
| Aminoglycoside | • Gentamicin 5–7 mg/kg |
| | • Tobramycin 5–7 mg/kg |
| | • Amikacin 1 × 15 mg/kg |
|
plus
| |
| Antipseudomonal β-lactam/β-lactamase inhibitor | • Piperacillin/tazobactam 3 × 4.5 g |
|
or
| |
| Ceftazidime | • Ceftazidime 3 × 2 g |
|
or
| |
| Carbapenems | • Imipenem/cilastatin 3 × 1 g |
| | • Meropenem 3 × 1 g |
|
plus/minus
| |
| Vancomycin* | • Vancomycin 2 × 1 g |
Early or late onset, risk factors | Risk factors for P aeruginosa: see late onset | |
| Risk factors for MRSA: + vancomycin* | • Vancomycin 2 × 1 g |
| Risk factor for legionellosis: macrolide | • Erythromycin 4 × 1 g |
| |
or
|
| | • Azithromycin 1 × 500 mg |
| |
or
|
| | • Clarithromycin 2 × 500 mg |
| |
or
|
| | • Levofloxacin 2 × 500 mg |
| |
or
|
| | • Moxifloxacin 1 × 400 mg |
Non-ventilated patients: | | |
Early onset, no risk factors | See ventilated patient | |
Late onset, no risk factors | See ventilated patient; possibly monotherapy in the absence of severe pneumonia | |
Early or late onset, risk factors | See ventilated patient, early or late onset, risk factors | |