Figure 722

USUAL DOSAGES FOR PHOSPHORUS REPLETION Usual dosages for phosphorus repletion.

Severe symptomatic hypophosphatemia (plasma phosphate concentration < 1 mg/dL)

Phosphate depletion

Hypophosphatemic rickets

10 mg/kg/d, intravenously, until the

2-4 g/d (64 to 128 mmol/d), orally,

1-4 g/d (32 to 128 mmol/d), orally,

plasma phosphate concentration

in 3 to 4 divided doses

in 3 to 4 divided doses

reaches 2 mg/dL

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