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CholecalciferolOver the counter
Pronounced ko-le-kal-SIF-er-ol
Brand names: Vitamin D3
Type: Vitamin D supplement · All Other Medicines
What Cholecalciferol is used for
- Vitamin D deficiency
- Bone health, combined with calcium
- Supporting bone treatment in chronic kidney disease (nutritional vitamin D)
◆ Kidney note
Nutritional vitamin D is used in kidney disease, but failing kidneys also cannot activate it — active forms such as calcitriol are separate prescription medicines.
Common side effects
- Generally few at usual amounts
- Nausea
- Constipation
Important cautions
- Excessive amounts over time raise blood calcium, causing thirst, frequent urination, and kidney stones — more is not always better
How it comes
Tablets, capsules, softgels, liquid drops, gummies. This guide lists forms only — it never lists strengths or doses.
Related medicines — Other Medicines
Condition guides on MedicalVideos.com
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.