Magnesium Citrate Dosage

This dosage information may not include all the information needed to use Magnesium Citrate safely and effectively. See additional information for Magnesium Citrate.

The information at is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.

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


Data not available

Other Comments

A semifluid or watery stool may be expected in < 6 hours.