Drug reference
calcium carbonate
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Drug class
Gastrointestinal Tract (Antacids)
Mechanism of action
Antacid: Neutralizes gastric acidity. Dietary supplement: Prevents or treats negative Ca balance; oral Ca supplements may protect against renal calculi formation by chelating with oxalate in gut and preventing its absorption.
Common side effects
- Flatulence
- Constipation
- Anorexia
- Nausea
- Hypercalcemia
Contraindications
- Hypersensitivity Hypercalciuria Renal calculi Hypophosphatemia Hypercalcemia Suspected digoxin toxicity
Known interactions (2)
- calcium carbonate + Cholecalciferol Moderate
- calcium carbonate + omeprazole Moderate
Related conditions
Frequently asked questions
What drug class is calcium carbonate?
calcium carbonate belongs to: Gastrointestinal Tract.
How does calcium carbonate work?
Antacid: Neutralizes gastric acidity. Dietary supplement: Prevents or treats negative Ca balance; oral Ca supplements may protect against renal calculi formation by chelating with oxalate in gut and preventing its absorption.
What are the common side effects of calcium carbonate?
Flatulence, Constipation, Anorexia, Nausea, Hypercalcemia
Which drugs interact with calcium carbonate?
Cholecalciferol, omeprazole
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