Can I take Colecalciferol; cholecalciferol and Doxazosin together?
Drug interaction guide
Originally published 25 Jan 2026
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There are no known significant interactions between colecalciferol (Vitamin D3) and doxazosin. It is generally safe to take these two medications together.
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Why this happens
Colecalciferol is a vitamin used to maintain calcium levels and bone health, while doxazosin is an alpha-blocker used to treat high blood pressure or an enlarged prostate. They are processed by different pathways in the body and do not interfere with each other's effectiveness or safety.
What you should do
You can continue to take both medications as prescribed by your doctor. No special precautions or monitoring are required specifically for this combination.
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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.
Descargo de responsabilidad
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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Historia del artículo
La información de esta página ha sido redactada y revisada por médicos cualificados.
25 Enero 2026 | Publicado originalmente
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