Sodium phosphate (Fleet Enema, Phosphosoda); Electrolyte Supplement; Enema: sodium phosphate 7 gm and sodium biphosphate 19 gm [118 mL]
Inj per mL: phosphate 3 mM, sodium 4 mEq
Soln per 100 mL: sodium phosphate 18 gm and sodium biphosphate 48 gm [contains phosphate 4 mM/mL];
Severe Hypophosphatemia (IV):
Low Dose: (phosphorus >1.0): 0.08 mM/kg over 6h
Intermediate Dose (phosphorus 0.5-1 mg/dL): 0.16-0.24 mM/kg over 4-6h
High Dose (phosphorus <0.5 mg/dL): 0.36 mM/kg over 6h
Maintenance: Children: 0.5-1.5 mM/kg/24h
IV or 2-3 mM/kg/day PO in divided doses
Laxative:
2-11 yrs: 59 mL (1/2 of enema) PR, repeat prn
>12: One 118 mL enema as a single dose, repeat prn