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Calcitriol + Calcium Citrate: Brands, Price & Uses in Bangladesh
Calcitriol + Calcium Citrate is a fixed-dose combination of calcitriol (the active, hormonally-functional form of vitamin D) and calcium citrate (an elemental calcium salt).
About Calcitriol + Calcium Citrate
Indications of Calcitriol + Calcium Citrate
Calcitriol + Calcium Citrate is a fixed-dose combination of calcitriol (the active, hormonally-functional form of vitamin D) and calcium citrate (an elemental calcium salt). It is used when both a rapidly-acting form of vitamin D and a well-absorbed calcium supplement are needed together.
Established / guideline-supported uses
- Management of hypocalcemia in patients with chronic kidney disease (predialysis and dialysis-dependent), where impaired renal activation of vitamin D limits calcium absorption.
- Management of hypocalcemia associated with hypoparathyroidism (surgical or idiopathic) and pseudohypoparathyroidism.
- Adjunctive management of osteoporosis, as part of a treatment plan that includes adequate calcium and vitamin D status.
Uses requiring combination/adjunct therapy
Calcitriol + Calcium Citrate is typically used as an adjunct alongside other osteoporosis therapies (e.g., bisphosphonates) rather than as monotherapy for fracture prevention, and alongside phosphate binders and dietary phosphate control in chronic kidney disease.
Off-label use
Calcitriol + Calcium Citrate is sometimes used off-label in vitamin D-dependent rickets and in postmenopausal women with vitamin D receptor resistance or malabsorption states, under specialist supervision; such use should be guided by a physician.
Dosage & Administration of Calcitriol + Calcium Citrate
General principle
Dosing of Calcitriol + Calcium Citrate must be individualized based on serum calcium, phosphate, and parathyroid hormone levels, and titrated slowly under medical supervision.
| Indication | Typical adult dosing (calcitriol component) | Notes |
|---|---|---|
| Hypocalcemia in chronic kidney disease (dialysis) | 0.25 mcg once daily or every other day, adjusted by 0.25 mcg/day increments | Calcium citrate dose adjusted to maintain normal serum calcium |
| Hypoparathyroidism | 0.25 mcg once daily, titrated according to response | Some patients require higher doses under close monitoring |
| Osteoporosis (adjunct) | 0.25 mcg twice daily with elemental calcium as directed | Used with other anti-osteoporotic therapy |
Doses are increased only after checking serum calcium, generally not more often than every 2-4 weeks, since hypercalcemia can develop rapidly with calcitriol.
Side Effects of Calcitriol + Calcium Citrate
Most adverse effects of Calcitriol + Calcium Citrate relate to excess calcium/vitamin D activity (hypercalcemia) or to the calcium citrate component itself.
Common
- Constipation, bloating, or gas (calcium citrate component)
- Mild nausea, dry mouth, or metallic taste
- Headache
Less common but clinically important (usually related to hypercalcemia)
- Weakness, fatigue, somnolence
- Anorexia, vomiting, abdominal pain
- Polyuria, polydipsia
- Hypercalciuria and, with prolonged hypercalcemia/hyperphosphatemia, soft tissue or vascular calcification and nephrocalcinosis
Patients should report symptoms suggestive of hypercalcemia promptly (see Precautions and Warnings).
Contraindications of Calcitriol + Calcium Citrate
- Known hypersensitivity to calcitriol, calcium citrate, or any component of Calcitriol + Calcium Citrate.
- Hypercalcemia.
- Evidence of vitamin D toxicity or hypervitaminosis D.
Calcitriol + Calcium Citrate should not be used in these settings; other cautions related to renal impairment, concurrent thiazide use, or hyperphosphatemia are addressed under Precautions and Warnings rather than being absolute contraindications.
Frequently Asked Questions about Calcitriol + Calcium Citrate
What is Calcitriol + Calcium Citrate used for?
Calcitriol + Calcium Citrate is used to treat and prevent hypocalcemia (low blood calcium) in conditions such as chronic kidney disease and hypoparathyroidism, and as part of osteoporosis management, by supplying both the active form of vitamin D and a well-absorbed calcium supplement.
How should I take Calcitriol + Calcium Citrate?
Calcitriol + Calcium Citrate is usually taken by mouth, often with food, exactly as prescribed. Do not change the dose or stop treatment without consulting your physician, since the calcitriol component works quickly and dose changes affect blood calcium levels rapidly.
What are the main side effects of Calcitriol + Calcium Citrate?
The most common effects are constipation, bloating, mild nausea, or headache. More important is the risk of hypercalcemia (high blood calcium), which can cause weakness, confusion, vomiting, or irregular heartbeat; report such symptoms to your doctor promptly while taking Calcitriol + Calcium Citrate.
Can Calcitriol + Calcium Citrate be taken during pregnancy or breastfeeding?
Calcitriol + Calcium Citrate should be used in pregnancy or while breastfeeding only if a physician determines it is clearly needed, since safety data are limited; your doctor will weigh the benefits against potential risks and monitor your calcium levels closely.
Who should not take Calcitriol + Calcium Citrate?
Calcitriol + Calcium Citrate should not be used by anyone with hypercalcemia, evidence of vitamin D toxicity, or a known hypersensitivity to calcitriol, calcium citrate, or related components. Other situations, such as kidney disease or use with thiazide diuretics, require caution and closer monitoring rather than being outright prohibited.
What should I do if I miss a dose or take too much Calcitriol + Calcium Citrate?
If you miss a dose of Calcitriol + Calcium Citrate, take it as soon as you remember unless it is close to the next dose; do not double up. If you suspect an overdose (symptoms like severe nausea, confusion, or irregular heartbeat), stop the medicine and seek immediate medical attention or contact a poison control center.
Disclaimer
The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.