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Magnesium Citrate Dosage

Applies to the following strength(s): 1.745 g/30 mL ; 133.3 mg ; 100 mg ; 125 mg

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.