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Can I take Amlodipine and Betahistine dihydrochloride together?

Drug interaction guide

There is no known direct interaction between amlodipine and betahistine. However, both medications can affect your blood pressure. Amlodipine is designed to lower blood pressure, while betahistine can occasionally cause a slight drop in blood pressure as a side effect. Taking them together might lead to feeling a bit dizzy or lightheaded, especially when standing up quickly.

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Why this happens

Amlodipine is a calcium channel blocker that relaxes blood vessels to lower blood pressure. Betahistine is a histamine analogue used for balance disorders; while it primarily works on the inner ear, it can have minor vasodilating (vessel-widening) effects elsewhere in the body. This could theoretically lead to an additive effect on lowering blood pressure.

It is generally safe to take these two medicines together. When starting betahistine or changing your dose, monitor how you feel. If you feel dizzy, lightheaded, or faint, sit or lie down until the feeling passes. Move slowly when changing positions (like getting out of bed). If these symptoms persist, mention it to your doctor or pharmacist.

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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.

  • 12 May 2026 | Originally published
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