Calcium Carbonate / Magnesium Hydroxide Dosage

Medically reviewed by Drugs.com. Last updated on Dec 22, 2023.

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.

See also:

Further information

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

Medical Disclaimer