Can I take Quinine and Ripinrole together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
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Taking quinine and ropinirole together may increase the risk of side effects from the ropinirole, such as dizziness, nausea, or sudden sleepiness. There is also a potential risk of affecting your heart rhythm.
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Why this happens
Quinine can interfere with the way the liver breaks down ropinirole (by inhibiting the CYP1A2 enzyme), leading to higher levels of the medicine in your blood. Additionally, both drugs can potentially affect the electrical activity of the heart.
What you should do
Back to contentsYou should speak to your doctor before taking these two medicines together. Your doctor may need to adjust your dose of ropinirole or monitor your heart health more closely. If you feel dizzy, faint, or experience a racing heartbeat, seek medical advice immediately.
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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.
25 Jan 2026 | Originally published
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