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 ≤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