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Calcium Carbonate / Magnesium Hydroxide Dosage

Medically reviewed by Drugs.com. Last updated on Mar 5, 2020.

Applies to the following strengths: 550 mg-125 mg; 550 mg-110 mg; 675 mg-135 mg; 700 mg-300 mg; 400 mg-135 mg/5 mL; 350 mg-150 mg

Usual Adult Dose for Dyspepsia

Calcium carbonate 550 mg-magnesium hydroxide 110 mg chewable tablets: 2 to 4 tablets orally as needed for symptoms or as directed
-Maximum dose: 12 tablets/day

Calcium carbonate 550 mg-magnesium hydroxide 110 mg/5 mL oral liquid: 10 to 20 mL orally once, as needed for symptoms or as directed
-Maximum dose: 60 mL/day

Calcium carbonate 675 mg-magnesium hydroxide 135 mg chewable tablets: 2 to 4 tablets orally as needed for symptoms or as directed
-Maximum dose: 10 tablets/day

Calcium carbonate 700 mg-magnesium hydroxide 300 mg chewable tablets: 2 to 4 tablets orally as needed after meals, at bedtime, or as directed
-Maximum dose: 8 tablets/day

Calcium carbonate 1000 mg-magnesium hydroxide 200 mg chewable tablets: 2 to 3 tablets orally as needed for symptoms or as directed
-Maximum dose: 7 tablets/day

Calcium carbonate 1000 mg-magnesium hydroxide 200 mg/5 mL oral liquid: 10 to 15 mL orally as needed for symptoms or as directed
-Maximum dose: 35 mL/day

Calcium carbonate 1300 mg-magnesium hydroxide 235 mg chewable tablets: 2 to 3 tablets orally as needed for symptoms or as directed
-Maximum dose: 5 tablets/day

Duration of therapy: Up to 2 weeks

Comment: Patients should shake oral liquid formulations prior to measuring the dose.

Uses:
-Relief of acid indigestion, heartburn, or sour stomach
-Relief of upset stomach associated with acid indigestion, heartburn, or sour stomach

Usual Adult Dose for Hypokalemia

Calcium carbonate 675 mg-magnesium hydroxide 135 mg chewable tablets: 2 tablets orally 2 times a day

Calcium carbonate 1000 mg-magnesium hydroxide 200 mg chewable tablets: 2 tablets orally 2 times a day

Use: As a daily source of calcium and magnesium

Usual Adult Dose for Hypomagnesemia

Calcium carbonate 675 mg-magnesium hydroxide 135 mg chewable tablets: 2 tablets orally 2 times a day

Calcium carbonate 1000 mg-magnesium hydroxide 200 mg chewable tablets: 2 tablets orally 2 times a day

Use: As a daily source of calcium and magnesium

Usual Adult Dose for Vitamin/Mineral Supplementation

Calcium carbonate 675 mg-magnesium hydroxide 135 mg chewable tablets: 2 tablets orally 2 times a day

Calcium carbonate 1000 mg-magnesium hydroxide 200 mg chewable tablets: 2 tablets orally 2 times a day

Use: As a daily source of calcium and magnesium

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available

Precautions

CONTRAINDICATIONS: None.

Consult WARNINGS section for additional precautions.

Dialysis

Data not available

Other Comments

Administration advice:
-Oral liquid: Shake well prior to measuring the dose.

Storage requirements:
-Chewable tablets Protect from excessive moisture.
-Oral liquid: Protect from freezing.

Patient advice:
-Advise patients to speak to their healthcare provider if they become pregnant, intend to become pregnant, or are breastfeeding.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.