Colecalciferol is also known as Cholecalciferol or Vitamin D3.
Colecalciferol is an inactive form of vitamin D, which plays an important role in bones and teeth formation, supports muscle health, growth development and the immune system.
Colecalciferol is used to:
This medication comes in tablet and drop form.
Do not stop taking your medication without checking with your healthcare professional.
If you forget to take a dose, take it as soon as you remember. Then take your next dose at the usual time. Do not take two doses to make up for the missed dose.
Inform your healthcare professional if:
It is important to go for blood tests as advised by your healthcare professional to ensure your calcium levels are within range.
Inform your doctor if you are taking any other medication or supplement that contains calcium or vitamin D.
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Inform your healthcare professional if you have any side effects that bother you or do not go away, such as
As this medication increases the absorption of calcium, you may develop high calcium levels. It is important that you keep up with any blood tests recommended by your healthcare professional, and to be aware of the possible symptoms of high calcium levels.
Constipation
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
The symptoms of a drug allergy include one or more of the following:
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Store in a cool and dry place, away from direct sunlight. Keep this medication away from children.
Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.
Disclaimers
Please take note that the above is not a complete list of all possible side effects. If you have any concerns about your medication or if you have other side effects that you think are caused by this medication, please consult your doctor or pharmacist.
If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.
This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (National Healthcare Group, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.
Last updated on June 2025
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