Characteristics of select phosphate preparations

Preparation	Dosage form	Sample brand names	Phosphate content	Sodium content	Potassium content
Oral
Potassium phosphate-sodium phosphate	Tablet	Av-Phos 250 Neutral K-Phos Neutral Phospha 250 Neutral Phospho-Trin 250 Neutral	8 mmol/tablet (250 mg/tablet)	13 mEq/tablet	1.1 mEq/tablet
	Tablet	K-Phos No. 2	8 mmol/tablet (250 mg/tablet)	5.8 mEq/tablet	2.3 mEq/tablet
	Packet (powder for oral solution)	Phos-NaK	8 mmol/packet (250 mg/packet)	6.9 mEq/packet	7.1 mEq/packet
Potassium phosphate	Tablet	K-Phos Original Phospho-Trin K500	3.7 mmol/tablet (114 mg/tablet)	–	3.7 mEq/tablet
Skim milk	Oral liquid	–	8 mmol/237 mL serving (1 cup)	5 mEq/237 mL serving (1 cup)	10.3 mEq/237 mL serving (1 cup)
Intravenous^*
Potassium phosphate	IV infusion	–	3 mmol/mL	–	4.4 mEq/mL
Potassium phosphate	IV infusion	–	3 mmol/mL	–	4.7 mEq/mL
Sodium phosphate	IV infusion	–	3 mmol/mL	4 mEq/mL	–

This table lists characteristics of select phosphate preparations available in the United States. Product characteristics may differ elsewhere; consult local product information. Generic (nonproprietary) formulations may also be available. Refer to UpToDate content on hypophosphatemia for discussion of product selection and dosing.

IV: intravenous.

* Intravenous phosphate is available as potassium phosphate or sodium phosphate. To prevent medication errors, dose should be expressed as mmol of phosphate, and sodium or potassium salt should be specified.

Graphic 143908 Version 2.0

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Characteristics of select phosphate preparations