Can I take Amlodipine and Sandrena together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
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Sandrena (estradiol) may cause your body to hold onto more salt and water than usual. This can lead to fluid retention and swelling, which may slightly increase your blood pressure. This effect can work against amlodipine, which is designed to lower your blood pressure.
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Why this happens
Oestrogens like estradiol can cause the body to retain sodium and water. This increases the volume of fluid in the blood vessels, which can counteract the blood-pressure-lowering effects of calcium channel blockers like amlodipine.
What you should do
Back to contentsIt is generally safe to take these together, but you should monitor your blood pressure regularly. If you notice your blood pressure readings are higher than usual, or if you experience new swelling in your ankles or feet, speak to your doctor. They may need to adjust your amlodipine dose.
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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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Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 2026 | Originally published
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