Usual Adult Dose for Hypomagnesemia
1 to 40 grams intravenously daily
- Use serum magnesium levels to guide dosage
Maximum rate: 3 mL/min
Use: Electrolyte replenisher in magnesium deficiencies
Usual Adult Dose for Vitamin/Mineral Supplementation
Recommended dietary intake (RDA) for magnesium:
18 years, male: 410 mg
18 years, female: 360 mg
19 to 30 years, male: 400 mg
19 to 30 years, female: 310 mg
31 years and older, male: 420 mg
31 years and older, female: 320 mg
Tolerable upper intake level (UL) for supplemental magnesium: 350 mg
Usual Pediatric Dose for Vitamin/Mineral Supplementation
Recommended dietary intake (RDA) for magnesium:
Birth to 6 months: 30 mg (adequate intake)
7 to 12 months: 75 mg (adequate intake)
1 to 3 years: 80 mg
4 to 8 years: 130 mg
9 to 13 years: 240 mg
14 to 18 years, male: 410 mg
14 to 18 years, female: 360 mg
Tolerable upper intake level (UL) for supplemental magnesium:
1 to 3 years: 65 mg
4 to 8 years: 110 mg
9 to 18 years: 350 mg
Renal Dose Adjustments
Contraindicated in renal impairment
Liver Dose Adjustments
Data not available
Dose Adjustments
US: Recommended dietary intake (RDA) for magnesium:
Pregnancy:
- 14 to 18 years: 400 mg
- 19 to 30 years: 350 mg
- 31 to 50 years: 360 mg
Lactation:
- 14 to 18 years: 360 mg
- 19 to 30 years: 310 mg
- 31 to 50 years: 320 mg
Precautions
CONTRAINDICATIONS:
- Renal impairment
- Marked myocardial disease
- Comatose patients
Consult WARNINGS section for additional precautions.
Dialysis
Data not available
- Contraindicated in renal impairment
Other Comments
Administration advice:
- Maximum infusion rate: 3 mL/min
Storage requirements:
- Store at controlled room temperature
Reconstitution/preparation techniques:
- Dilute 4 grams in 250 mL 5% dextrose
