Posaconazole

Dosing: Adult Antimicrobial Dosing, Non-dialysis

Indication Dosing Notes
All Indications (IV or Delayed-release tablet) 300 mg IV/PO q12h x 2 doses, then 300 mg IV/PO q24h No renal dose adjustment (avoid IV if possible in patients with CrCl <50 mL/min due to accumulation of IV vehicle)

Dosing: Antimicrobial Dosing in Intermittent & Continuous Hemodialysis

Indication Dosing Notes
All Indications (IV or Delayed-release tablet) 300 mg IV/PO q12h x 2 doses, then 300 mg IV/PO q24h No dose adjustment in hemodialysis

Dialysis Notes

Intermittent HD assumes high-flux hemodialysis. CRRT assumes CVVHD with ultrafiltration rate 2L/h and residual native GFR.

General Considerations

- For assistance with therapeutic drug monitoring (TDM), see Azole TDM Reference Document.
- Posaconazole SOLUTION has more frequent dosing, low bioavailability, and significant food restrictions. Do not substitute SOLUTION for TABLETS or IV without discussion with ID Pharmacy.
- Review medications for potential drug interactions.

IV formulation - Restriced to ID or Antimicrobial Stewardship except:

Inability to tolerate or absorb enteral medications and one of the following:​

1) Prophylaxis against fungal infections in patients on the hematology/BMT/lung/heart transplant services with an intolerance of or contraindications to voriconazole

2) Suspected or documented serious fungal infection in the hematology/BMT or lung transplant services

3) Empiric therapy for prolonged febrile neutropenia in hematology/oncology/BMT patient

 

PO formulation - Restricted to ID or Antimicrobial Stewardship except:

1) Prophylaxis against fungal infections in patients on the hematology/BMT/lung/heart transplant services with an intolerance of or contraindications to voriconazole

2) Suspected or documented serious fungal infection in the hematology/BMT or lung transplant services

3) Empiric therapy for prolonged febrile neutropenia in hematology/oncology/BMT patient

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