Magnesium Citrate Dosage
Medically reviewed by Drugs.com. Last updated on Jan 8, 2024.
Applies to the following strengths: 1.745 g/30 mL; 133.3 mg; 34 mg; 100 mg; 125 mg; 66.66 mg; 83 mg; 85 mg
Usual Adult Dose for:
Usual Pediatric Dose for:
Additional dosage information:
Usual Adult Dose for Constipation
240 mL orally one time.
Usual Pediatric Dose for Constipation
< 6 years: 0.5 mL/kg orally up to a maximum of 200 mL. May repeat every 4 to 6 hours until stools are clear.
6 to 12 years: 100 to 150 mL orally one time.
Renal Dose Adjustments
CrCl < 50 mL/min: Not recommended for use due to the high risk of hypermagnesemia in patients with renal dysfunction.
Liver Dose Adjustments
Data not available
Dialysis
Data not available
Other Comments
A semifluid or watery stool may be expected in < 6 hours.
Frequently asked questions
- When is the best time to take magnesium, morning or night?
- How long does magnesium citrate take to work?
- Should I take magnesium with or without food?
- Does magnesium help with restless leg syndrome (RLS)?
- Does magnesium help with headaches and migraines?
- Does magnesium help with weight loss?
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
