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Magnesium Citrate

Medical and Pharmacy Editor:

Brand Name: N/A

Generic Name: Magnesium Citrate

Drug Class: Laxatives, Saline

What Is Magnesium Citrate and How Does It Work?

Magnesium Citrate is an over-the-counter (OTC) medication that can be used as a nutritional supplement or for treatment of acid indigestion and constipation.

Dosage of Magnesium Citrate:

Adult and Pediatric Dosages:

Liquid

  • 290 mg/5ml

Tablet

  • 100 mg (elemental)

Dosing Considerations – Should be Given as Follows:

Nutritional Supplementation

19-30 year old:

  • Men – 400 mg/day
  • Women – 310 mg/day
  • Pregnant women younger than 50 years old: 350 mg/day
  • Breastfeeding women younger than 50 years old: 320 mg/day

Over 30 years old:

  • Men – 420 mg/day
  • Women – 320 mg/day
  • Pregnant women younger than 50 years old: 360 mg/day
  • Breastfeeding women younger than 50 years old: 320 mg/day

Constipation/Bowel Evacuation:

Adult dosage:

  • 195-300 ml orally in a single daily dose or in divided doses with a full glass of water
  • Alternatively, 2-4 tablets orally at bedtime

Pediatric dosage:

  • Children under 2 years old: Safety and efficacy not established
  • Children 2-6 years old: 60-90 ml orally once or in divided doses, not to exceed 90 mg/24 hours
  • Children 6-12 years old: 90-120 ml in a single dose or divided doses with a full glass of water
  • Children over 12 years old: 195-300 ml orally in a single dose or in divided doses with a full glass of water, alternatively, may administer 2-4 tablets orally at bedtime

Acid Indigestion:

  • 1 tablet twice daily or as directed by healthcare provider
Medically Reviewed by a Doctor on 6/13/2017



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