Can I take Colecalciferol and Losartan together?
Drug interaction guide
Originally published 25 Jan 2026
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There is no known direct interaction between colecalciferol (Vitamin D3) and losartan. It is generally safe to take these two medications together.
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Why this happens
These drugs work in different ways and are processed by different pathways in the body. Losartan is an angiotensin II receptor blocker (ARB) used for blood pressure, while colecalciferol is a vitamin supplement for bone health. They do not interfere with each other's absorption or effectiveness.
What you should do
You can continue taking both medications as prescribed by your doctor. No special precautions are needed, but it is always good practice to have your blood pressure and kidney function monitored regularly as part of your routine check-ups while taking losartan.
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Using other medicines
Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 2026 | Originally published

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