Can I take Niphedpine and Vitamin d together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
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There is no known direct interaction between nifedipine and vitamin D supplements. Taking them together is generally considered safe.
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Why this happens
Nifedipine is a calcium channel blocker used for high blood pressure, while vitamin D helps the body absorb calcium. While they both involve calcium pathways, they work in different ways that do not interfere with each other's effectiveness or safety.
What you should do
Back to contentsYou can continue to take both as prescribed. However, always inform your doctor or pharmacist about all supplements you are taking, as they may want to monitor your blood pressure or calcium levels periodically.
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Using other medicines
Back to contentsTaking 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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Taking these two medicines together can significantly increase your risk of having a seizure (a fit). Both drugs can also affect each other's levels in your blood, which may lead to more side effects such as restlessness, tremors, or unusual muscle movements.
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Can I take Allopurinol and Nortriptyline together?
There is no known direct interaction between allopurinol and nortriptyline. However, both medications can occasionally cause side effects that affect the liver or blood counts. Taking them together does not typically increase these risks, but it is important to be aware of how you feel.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 2026 | Originally published
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