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 and Vitamin D3 is medically approved to treat low calcium and vitamin D in our body.

Mechanism of Action of undefined

The therapeutic effects of Calcium and vitamin D3 are primarily related to their ability to support bone health and prevent or treat conditions such as osteoporosis in patients. Together, these nutrients strengthen bones, increase bone density, and reduce the risk of fractures.

Uses of undefined

It is used to treat low calcium and vitamin D in our body. It can be given for certain bone conditions such as osteoporosis (thinning of bone) along with other medicines. It is estimated to prevent hip and non-vertebral bone fractures over some time.

undefined Drug administaration and Dosage available

Calcium and vitamin D3 is available as tablets in a 250 and 500 mg dosage, which can be taken orally. Your physician will decide the correct dosage and duration based on age, body weight, and disease condition. Only stop taking the medicine if your doctor advises you to stop.

Warnings, Precautions and Side Effects of undefined


Inform your doctor if you have an allergy to calcium or vitamins or any of their ingredients. Consult your doctor if you have sugar intolerance before using the medicine. Talk to your doctor if you have kidney stones or kidney problems, high levels of calcium in urine, osteoporosis due to inactivity, such as long-term bed rest, and sarcoidosis (inflammation disease).


Your doctor may recommend that you monitor the calcium level and kidney function test if you take the medicine for a long period. Inform your doctor about the prescribed and non-prescribed medicine before using the tablet. The safety and efficacy of the medicine have not been established in children under 12 years of age.

Side Effects

The common side effects that are experienced while you are on the treatment with calcium and vitamin D3 are gas, constipation, bloating, nausea, vomiting, loss of appetite, mood changes, muscle pain. Report your doctor immediately if you have an allergy (itching, wheezing, rash, swelling of the tongue or throat).

Word Of Advice

If you are considering taking calcium and vitamin D3, it is important to first consult with a healthcare professional to determine if they are appropriate for you and to discuss the appropriate dosage. Additionally, it is important to follow the dosage instructions provided on the product label or by a healthcare professional and be aware of the potential side effects and interactions with other medications or supplements. It is also important to avoid taking calcium supplements at the same time as foods high in oxalic acid (such as spinach and rhubarb), phosphate (bran), or phytic acid (such as whole grains and legumes), as these substances can interfere with the calcium absorption. Finally, it is important to maintain a healthy, balanced diet and lifestyle to support overall health and well-being and to work with a healthcare professional to address any underlying health issues or concerns.

Frequently Asked Question


  1. Maryam Sanaei et al., Calcium vitamin D3 supplementation in clinical practice: side effect and satisfaction, [Accessed on 15/03/2024],
  2. NextPharm, Electronic medicines compendium (EMC), [ Revised on Feb 2024] [ Accessed on March 15 2024],
  3. KD Tripathi, Essentials of Medical Pharmacology, Drugs Affecting Calcium Balance, 7th edition, 2013, 340-342.
  4. Satyanarayana U, Chakrapani U, Biochemistry, Chemical constituents of life, 4th edition, 2013, 116-165


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 can receive this treatment.