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Calcium Carbonate / Magnesium Carbonate Dosage

Applies to the following strengths: 520 mg-400 mg/5 mL; 520 mg-400 mg; 200 mg-400 mg; 250 mg-300 mg; 400 mg-200 mg

Usual Adult Dose for Hyperphosphatemia of Renal Failure

Calcium carbonate 250 mg-magnesium carbonate 300 mg tablets: 1 to 3 tabs orally once a day with meals or as directed

Use: To reduce absorption of dietary phosphate

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Data not available



Consult WARNINGS section for additional precautions.


Data not available

Other Comments


  • This drug has not been evaluated by the US FDA, and should not be used to cure, diagnose, prevent, and/or treat any disease.

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.