This page contains brief details about the drug , it's indication, dosage & administaration, mechanism of action, related brands with strength, warnings and common side effects.

Background and Date of Approval

Calcium carbonate + Calcitriol is a nutritional supplement medication developed by the U.S. Food And Drug Administration for treating nutritional deficiencies.

Mechanism of Action of undefined

Calcium carbonate + Calcitriol helps to treat nutritional deficiencies. Calcium is essential for bone health that is used to treat and prevent a calcium deficiency and can be given for certain bone conditions such as osteoporosis. Calcitriol is a synthetic derivative of Vitamin D3 that aids in treating metabolic bone disease and calcium insufficiency. Carbonate promotes calcium transfer from the bloodstream into the bone, which helps maintain bone density.

Uses of undefined

Calcium works by neutralizing the acid released in the stomach. Calcitriol acts by regulating phosphorous and calcium levels in the body. Carbonate works by increasing the bone-building process. Together, Calcium carbonate + Calcitriol supports immune function, DNA synthesis, cell division, wound healing, maintaining bone density, and promoting calcium transport from the bloodstream into the bone.

undefined Drug administaration and Dosage available

Take the Calcium carbonate + Calcitriol Tablet as advised by your physician. Do not crush, chew, or open the medicine. Your physician will decide the correct dosage and duration based on age, body weight, and disease condition. Only stop taking the tablet if your doctor advises you to stop.

Warnings, Precautions and Side Effects of undefined


This drug is contraindicated in individuals with known hypersensitivity or allergy to it or its component. Stop taking this tablet and contact your doctor immediately if you develop a rash or skin symptoms. Carbonate promotes calcium transfer from the bloodstream into the bone, which helps maintain bone density. The symptoms likely associated with Calcium carbonate + Calcitriol are constipation, stomach upset, headache, nausea, vomiting, loss of appetite, tiredness, weakness, fast heartbeat, muscle pain, and mood changes. Inform your doctor if any of these symptoms disturb you or persist. Inform your doctor if you experience hypersensitivity to Calcium carbonate + Calcitriol or any of its ingredients.


Before treatment with this medication, let your physician know if you have kidney stones, hypervitaminosis D (high vitamin D levels), hypercalcemia (high calcium levels), malabsorption syndrome, heart, liver, or kidney disease. Consult your healthcare provider if you are a pregnant or breastfeeding woman. This medication should be given to children when prescribed by a doctor.

Side Effects

The side effects known to occur commonly during the treatment with Calcium carbonate + Calcitriol are constipation, stomach upset, headache, nausea, vomiting. loss of appetite, mood changes, fast heartbeat, muscle pain, weakness or tiredness.

Word Of Advice

You should avoid drinking alcohol while using Calcium carbonate + Calcitriol since it can interfere with calcium absorption. It is advised to check heart function and serum electrolyte levels regularly. A low-phosphate diet is advised for dialysis patients to manage their serum phosphorus levels.

Frequently Asked Question


  1. Neon Healthcare Ltd, Electronic Medicines Compendium (EMC), [Revised on March 2023] [Accessed on 05 August 2023],
  2. Roche Laboratories Inc., US Food & Drug Administration, [Revised on Nov 1998] [Accessed on 05 August 2023],
  3. Efficacy of Calcium Citrate Versus Calcium Carbonate for the Management of Chronic Hypoparathyroidism; [Accessed on 05 August 2023]
  4. KD Tripathi, Essentials of Medical Pharmacology, Drugs affecting calcium balance, 7th Edition, 2013, 335-345.


The drug information on this page is not a substitute for medical advice; it is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you are eligible to receive this treatment.