| Good penetration efficiency | Low penetration efficiency |
|---|---|
| Piperacillin/tazobactam | Ceftriaxone |
| Tigecycline | Cefotaxime |
| Amoxicillin/clavulanate | Meropenem |
| Ciprofloxacin | Ceftazidime |
| Ampicillin/sulbactam | Vancomycin |
| Cefepime | Amikacin |
| Levofloxacin | Gentamicin |
| Imipenem |