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Drug interactions

Calcitriol + Indapamide

Severity: Moderate

Calcitriol and Indapamide: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Indapamide reduces urinary calcium excretion, and calcitriol increases calcium absorption, so the combination can lead to hypercalcemia. This applies mainly to systemic calcitriol; topical use adds little exposure.

What this interaction means in plain words

Calcitriol and Indapamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Calcitriol belongs to Musculoskeletal; Indapamide belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Additive calcium elevation from reduced renal calcium excretion and increased intestinal absorption.

What to do

Monitor serum calcium periodically, especially with oral calcitriol, and reduce the calcitriol dose if hypercalcemia develops.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Calcitriol with Indapamide?

MediHelp rates the interaction as moderate. Calcitriol and Indapamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Indapamide reduces urinary calcium excretion, and calcitriol increases calcium absorption, so the combination can lead to hypercalcemia. This applies mainly to systemic calcitriol; topical use adds little exposure.

How serious is the interaction between Calcitriol and Indapamide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum calcium periodically, especially with oral calcitriol, and reduce the calcitriol dose if hypercalcemia develops.

What other medicines interact with Indapamide?

MediHelp also lists interactions of Indapamide with, for example, Adagrasib, Amifostine, Amiodarone. The full list is on the Indapamide page.

Full monographs, dosing and an interaction checker in the MediHelp app

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