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Ergocalciferol
Pronounced er-go-kal-SIF-er-ol
Brand names: Drisdol, Vitamin D2
Type: Vitamin D supplement (prescription strength forms) · All Other Medicines
What Ergocalciferol is used for
- Vitamin D deficiency
- Low parathyroid function (hypoparathyroidism)
- Bone disease in kidney failure (older use)
◆ Kidney note
A plant-derived vitamin D used for deficiency in kidney patients; it still requires liver and gut steps, unlike calcitriol which is already active.
Common side effects
- Nausea
- Constipation
- Symptoms of high calcium at excess amounts
Important cautions
- Blood calcium is monitored during high-amount repletion so calcium does not overshoot
How it comes
Capsules, liquid. 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.