What it's for (Indications)
- Oral Form: Treatment of Vitamin D deficiency due to decreased formation, malabsorption, or liver disease; Hypocalcemia (decreased calcium levels) due to decreased parathyroid gland activity or renal osteodystrophy (kidney disease or disorder).
- Injection Form: Treatment of Vitamin D deficiency due to rickets (weak bones in children), osteomalacia (softening of bones), spasmophilia (impaired calcium utilization), Paget's disease (bone disease), osteoporomalacia (bone abnormality), and Fanconi syndrome (kidney disorder characterized by excretion of a substance in urine normally absorbed).
Dosage Information
| Type | Guideline |
|---|---|
| Standard | Dosage must be individualized and determined by a healthcare professional based on the specific indication, patient's age, weight, vitamin D status, and overall clinical condition. It is available in both oral and injectable forms. Specific dosages were not provided in the reference data. |
Safety & Warnings
Common Side Effects
- Common side effects may include increased calcium levels in the blood (hypercalcemia) and increased levels of calcium in urine (hypercalciuria).
- Other possible side effects are itching, hives, or skin rash, confusion, and constipation.
Serious Warnings
- Black Box Warning: While cholecalciferol, a widely utilized form of vitamin D3, does not carry a specific FDA Black Box Warning, it is imperative for healthcare professionals and patients to recognize the significant potential for serious adverse effects, primarily hypervitaminosis D and subsequent hypercalcemia, particularly when administered in high doses or without appropriate clinical supervision. Excessive or prolonged intake of cholecalciferol can lead to dangerously elevated serum calcium levels, manifesting clinically with a spectrum of symptoms including nausea, vomiting, anorexia, profound weakness, fatigue, polyuria, polydipsia, and intractable constipation. Progression of severe hypercalcemia can result in critical organ damage, such as nephrocalcinosis, acute kidney injury, chronic renal impairment, cardiac arrhythmias, and in the most severe instances, can precipitate coma or be fatal. Therefore, vigilant monitoring of serum calcium and 25-hydroxyvitamin D levels is absolutely critical, especially in individuals receiving high-dose supplementation, those with pre-existing renal dysfunction, or patients concomitantly receiving other agents that influence calcium homeostasis. Patients must be rigorously educated against exceeding prescribed dosages and meticulously advised regarding the cumulative intake of vitamin D from all potential sources (e.g., dietary supplements, fortified foods, concurrent medications) to prevent the insidious development of toxicity. The cornerstone of safe cholecalciferol therapy is individualized dosing guided by clinical necessity and serial laboratory evaluations, emphasizing the profound need for stringent clinical oversight to mitigate these severe, dose-dependent risks.
- Pregnancy and Lactation: The effects are undetermined; therefore, caution is advised.
- Consult a healthcare provider before use.
- Driving: This medicine may cause dizziness; avoid driving or operating heavy machinery immediately after taking it.
- Liver and Kidney Patients: Use with caution.
- Dose adjustment might be required; consult a doctor for more information.
- Alcohol: Avoid alcohol consumption as it may increase the severity of side effects.
- General Precautions: Before using, inform your doctor about your complete medical history, especially concerning heart disease, kidney diseases, and diabetes.
- Use with care in patients with cardiovascular (heart and blood vessel) diseases.
- Use cautiously in patients with osteoporosis as it may cause immobilization.
- Do not discontinue this medicine without informing your doctor.
- Inform your doctor about all current medications and significant past medical history.
- Inform your doctor if you are undergoing any surgery.
How it Works (Mechanism of Action)
Cholecalciferol, also known as Vitamin D3, is a vitamin D analogue. It is metabolically activated in the body to calcitriol, which plays a crucial role in maintaining calcium and phosphate homeostasis, promoting their absorption from the gut and regulating bone mineralization.
Commercial Brands (Alternatives)
No other brands found for this formula.