Can I take Betahistine and Cinnarizine dimenhydrinate together?
Drug interaction guide
Originally published 14 Mar 2026
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Taking these medicines together may make betahistine less effective at treating your symptoms. Additionally, you may experience increased drowsiness or dry mouth.
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Why this happens
Betahistine works by mimicking a natural chemical called histamine to improve blood flow in the ear. Cinnarizine and dimenhydrinate are antihistamines, which block the effects of histamine. Because they work in opposite ways, they can cancel each other out.
What you should do
Back to contentsYou should avoid taking these medicines at the same time. Speak to your doctor or pharmacist about which treatment is best for your balance or vertigo symptoms, as taking both together is usually not recommended.
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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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