About cholecalciferol
Vitamin D3 supplement
Used for
- Treats and prevents vitamin D deficiency
- Supports calcium absorption and bone health
Usual adult dose
For deficiency, commonly 25,000 IU once weekly for several weeks; maintenance is individualized.
Usual dose in children
For deficiency, dosing depends on age and severity; clinician-directed dosing is used.
Common side effects
- High calcium levels
- Nausea or vomiting
- Constipation
- Kidney stones with prolonged excessive intake
Important warnings
- Excessive or prolonged use can cause vitamin D toxicity and high blood calcium.
- Use caution with kidney disease, kidney stones, or high blood calcium.
- Dose and schedule depend on the amount of vitamin D in each ampule.
Pregnancy
Use only when needed and at an appropriate dose; excessive vitamin D can be harmful.
Breastfeeding
Generally compatible at recommended doses; excessive intake may affect the infant.
Interactions
- Thiazide diuretics may increase risk of high blood calcium.
- Digoxin-related heart rhythm risks may rise with high blood calcium.
- Orlistat and bile-acid binders can reduce vitamin D absorption.
- Some seizure medicines and rifampin can lower vitamin D levels.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.