Piperacillin-tazobactam
From IDWiki
Background
Clinical Breakpoints
| Species | ECV (μg/mL) | Breakpoints (μg/mL) | Breakpoints (mm) | ||||
|---|---|---|---|---|---|---|---|
| S | I | R | S | I | R | ||
| Enterobacterales | ≤16/4 | 32/4-64/4 | ≥128/4 | ≥21 | 18-20 | ≤17 | |
| Pseudomonas aeruginosa | ≤16/4 | 32/4-64/4 | ≥128/4 | ≥21 | 15-20 | ≤14 | |
| Acinetobacter species | ≤16/4 | 32/4-64/4 | ≥128/4 | ≥21 | 18-20 | ≤17 | |
| Other non-Enterobacterales | ≤16/4 | 32/4-64/4 | ≥128/4 | ||||
| Anaerobes | ≤16/4 | 32/4-64/4 | ≥128/4 | ||||
| Haemophilus influenzae and Haemophilus parainfluenzae | ≤1/4 | — | ≥2/4 | ≥21 | — | — | |
| Gram-positive bacteria | susceptibility predicted by penicillin | ||||||
