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Magnesium Citrate

    Generic Only

    DEA Class; OTC

    Common Brand Names; 

    • Laxatives, Saline

    Increases peristaltic activity of the colon; promotes bowel evacuation by causing osmotic retention of fluid

    Indicated as a Dietary Supplement, Constipation/Laxative, Acid Indigestion

    Low sodium diet

    Diarrhea

    Cramps

    Gas formation

    For occasional use only in treatment of constipation; prolonged use for constipation may cause serious adverse effects

    To be used under the supervision of a physician when administered to patients with sodium or manesium restricted diet, kidney dysfunction, nausea/vomiting/abdominal pain with sudden change in bowel habits persisting over 2 weeks

    Use with caution in patients with myasthenia gravis or other neuromuscular disease

    Avoid use in renal failure, existing electrolyte imbalance, appendicitis or acute surgical abdomen, myocardial damage or heart block, fecal impaction or rectal fissures, intestinal obstruction or perforation, dehydration

    Discontinue use and consult healthcare provider if bowel movement does not occur or rectal bleeding develops

    Pregnancy category: A

    Lactation: Use in nursing mothers appears to be safe

    Adults

    Nutritional Supplementation

    19-30 years: Men, 400 mg/day; women, 310 mg/day; pregnant women (≤50 years), 350 mg/day; breastfeeding women (≤50 years), 310 mg/day

    >30 years: Men, 420 mg/day; women, 320 mg/day; pregnant women (≤50 years), 360 mg/day; breastfeeding women (≤50 years), 320 mg/day

    Constipation/Laxative

    195-300 mL PO in single daily dose or in divided doses with full glass of water

    Alternative: 2-4 tablets PO at bedtime

    Acid Indigestion

    1 tablet twice daily or as directed by healthcare provider

    Dosing Considerations

    Should be refrigerated to maintain potency and palatability

    Pediatric

    Magnesium Supplementation

    Dietary reference intake for elemental magnesium varies in children according to age

    <6 months: 30 mg/day

    6-12 months: 75 mg/day

    1-3 years: 80 mg/day

    3-8 years: 130 mg/day

    8-13 years: 240 mg/day

    Adolescent boys 13-18 years: 410 mg/day

    Adolescent girls

    • 13-18 years: 360 mg/day

    • Pregnant: 400 mg/day

    • Lactating: 360 mg/day

    Magnesium citrate

    liquid

    • 290mg/5mL

    tablet

    • 100mg (elemental)