magnesium oxide

Adult Dosing .

Dosage forms:  CAP: 250 mg, 400 mg, 500 mg; TAB: 241.3 mg, 250 mg, 253 mg, 500 mg

Special Note

[strength clarification]

Info: MgO contains approx. 60.325% elemental Mg; 400 mg MgO = 241.3 mg (19.86 mEq) elemental Mg; dosage forms and doses expressed as elemental Mg

dyspepsia

[241.3 mg PO bid prn]

Max: 482.6 mg/24h

dietary supplementation

[individualize dose]

Info: see Dietary Reference Intakes, Magnesium table

hypomagnesemia (off-label)

[mild]

Dose: 240-1000 mg/day PO divided qd-qid; Info: give smaller, more frequent doses to incr. absorption; adjust dose based on serum Mg levels

[moderate-severe]

Dose: 800-1600 mg/day PO divided bid-qid; Info: give smaller, more frequent doses to incr. absorption; adjust dose based on serum Mg levels

renal dosing

[adjust dose amount]

renal impairment: decr. usual dose, amount not defined

HD: decr. usual dose, amount not defined; supplement after dialysis not defined; PD: decr. usual dose, amount not defined; supplement not defined

hepatic dosing

[not defined]

Peds Dosing .

Dosage forms:  CAP: 250 mg, 400 mg, 500 mg; TAB: 241.3 mg, 250 mg, 253 mg, 500 mg

Special Note

[strength clarification]

Info: MgO contains approx. 60.325% elemental Mg; 400 mg MgO = 241.3 mg (19.86 mEq) elemental Mg; dosage forms expressed as elemental Mg

dietary supplementation

[individualize dose]

Info: see Dietary Reference Intakes, Magnesium table

renal dosing

[adjust dose amount]

renal impairment: decr. usual dose, amount not defined

HD: decr. usual dose, amount not defined; supplement after dialysis not defined; PD: decr. usual dose, amount not defined; supplement not defined

hepatic dosing

[not defined]