potassium phosphates

Adult Dosing .

Dosage forms:  INJ

Special Note

[strength clarification]

Info: 1 mL = 3 mmol phosphorus, 4.4 mEq potassium; doses expressed as phosphorus amount

hypophosphatemia

[individualize dose IV]

Start: 0.16-0.31 mmol/kg/dose IV x1 if PO4 1.8-2.5 mg/dL, 0.32-0.43 mmol/kg/dose IV x1 if PO4 1-1.7 mg/dL, 0.44-0.64 mmol/kg/dose IV x1 if PO4 <1 mg/dL; Max: 45 mmol/dose; Info: may repeat or adjust dose based on serum phosphorus levels

phosphorus replacement, parenteral nutrition

[20-40 mmol/day IV added to parenteral nutrition]

Info: may adjust dose based on serum phosphorus levels

renal dosing

[see below]

eGFR 30-60: give lowest usual start dose; eGFR <30 or ESRD: contraindicated

HD/PD: not defined

hepatic dosing

[not defined]

Peds Dosing .

Dosage forms:  INJ

Special Note

[strength clarification]

Info: 1 mL = 3 mmol phosphorus, 4.4 mEq potassium; doses expressed as phosphorus amount

hypophosphatemia

[<12 mo]

Dose: individualize dose IV; Start: 0.16-0.31 mmol/kg/dose IV x1 if PO4 1.8-4 mg/dL, 0.32-0.43 mmol/kg/dose IV x1 if PO4 1-1.7 mg/dL, 0.44-0.64 mmol/kg/dose IV x1 if PO4 <1 mg/dL; Max: 45 mmol/dose; Info: may repeat or adjust dose based on serum phosphorus levels

[>12 mo]

Dose: individualize dose IV; Start: 0.16-0.31 mmol/kg/dose IV x1 if PO4 1.8-2.5 mg/dL, 0.32-0.43 mmol/kg/dose IV x1 if PO4 1-1.7 mg/dL, 0.44-0.64 mmol/kg/dose IV x1 if PO4 <1 mg/dL; Max: 45 mmol/dose; Info: may repeat or adjust dose based on serum phosphorus levels

phosphorus replacement, parenteral nutrition

[<12 mo]

Dose: 2 mmol/kg/day IV added to parenteral nutrition; Info: may adjust dose based on serum phosphorus levels

[1-11 yo]

Dose: 1 mmol/kg/day up to 40 mmol/day IV added to parenteral nutrition; Info: may adjust dose based on serum phosphorus levels

[12 yo and older]

Dose: 20-40 mmol/day IV added to parenteral nutrition; Info: may adjust dose based on serum phosphorus levels

renal dosing

[see below]

eGFR 30-60: give lowest usual start dose; eGFR <30 or ESRD: contraindicated

HD/PD: not defined

hepatic dosing

[not defined]