About cholecalciferol
Vitamin D3 supplement
Used for
- Treats or prevents vitamin D deficiency
- Supports calcium absorption and bone health
Usual adult dose
For deficiency, commonly 50,000 IU weekly for 6–8 weeks, then maintenance dosing; regimens vary.
Usual dose in children
For deficiency, dosing depends on age and blood levels; specialist-guided regimens are used.
Common side effects
- Usually well tolerated at appropriate doses
- Excess can cause nausea, constipation, weakness, or thirst
Important warnings
- Long-term excessive intake can raise blood calcium and harm kidneys.
- Use caution with kidney disease, high calcium, or certain granulomatous disorders.
- Do not combine high-dose products without checking total vitamin D intake.
Pregnancy
Vitamin D is needed during pregnancy; high-dose treatment should be medically supervised.
Breastfeeding
Compatible at usual doses; excessive maternal dosing can affect infant calcium levels.
Interactions
- Thiazide diuretics may increase risk of high blood calcium.
- Orlistat and bile-acid binders can reduce vitamin D absorption.
- Some seizure medicines and glucocorticoids can reduce 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 It may be incomplete or out of date.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.