Dosing: Adult Antimicrobial Dosing, Non-dialysis
Extended Infusion Dosing (PREFERRED for UCSF)
| Indication | CrCl > 20 mL/min | <20 mL/min | 
|---|---|---|
| All Infections, including documented/suspected Pseudomonas, at UCSF UCSF exclusion criteria for EXTENDED INFUSION: resistant or intermediate susceptibility organism, cystic fibrosis, peri-procedural areas, insufficient IV access ZSFG: Use EXTENDED INFUSION when recommended by ID pharmacist, clinical pharmacist, or ID fellow | Loading dose = 4.5 g IV over 30 min x1, then 4.5 g IV infused over 4h every 8h (starting immediately after loading dose) | Use SHORT INFUSION piperacillin/tazobactam | 
See Adult Extended Infusion Piperacillin-Tazobactam protocol for additional details
Short Infusion Dosing (PREFERRED for ZSFG)
| Indication | > 50 mL/min | 10 – 50 mL/min | < 10 mL/min | 
|---|---|---|---|
| UCSF: Use SHORT INFUSION only for patients excluded from EXTENDED INFUSION dosing ZSFG: Use SHORT INFUSION unless EXTENDED infusion is recommended by ID or clinical pharmacy (ID, ICU, etc) | |||
| Non-Pseudomonas infections | 3.375 g IV q6h | 3.375 g IV q8h | 2.25 g IV q8h | 
| Documented/Suspected Pseudomonas aeruginosa infection | CrCl > 20 mL/min: 4.5 g IV q6h | CrCl < 20 mL/min: 3.375 g IV q8h | |
Dosing: Antimicrobial Dosing in Intermittent & Continuous Hemodialysis
| Indication | Intermittent Hemodialysis | Continuous Hemodialysis | 
|---|---|---|
| All Infections, including documented/suspected Pseudomonas UCSF: Exclusion criteria for EXTENDED INFUSION: resistant or intermediate susceptibility organism, cystic fibrosis, peri-procedural areas, insufficient IV access | 2.25 g IV q8h (SHORT infusion over 30 minutes) | UCSF: Loading dose = 4.5 g IV over 30 min x1, then 4.5 g IV infused over 4h every 8h (starting immediately after loading dose) ZSFG: 4.5 g IV q8h (SHORT infusion over 30 minutes) | 
Dialysis Notes
Extended-infusion piperacillin-tazobactam at various hospitals:
UCSF: Extended infusion is the PREFERRED dosing strategy if no exclusions
ZSFG: Short infusion is the PREFERRED dosing strategy. Extended infusion pip-tazo is available upon ID pharmacy, clinical pharmacy (ICU, medicine, etc), or ID fellow recommendation.