Can I take Bisoprolol and Furosemide together?
Drug interaction guide
Originally published 12 May 2026
Meets Patient’s editorial guidelines
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Taking bisoprolol and furosemide together can cause your blood pressure to drop lower than intended. This may make you feel dizzy, lightheaded, or faint, especially when standing up quickly. It can also increase the risk of your kidneys not working as well as they should or cause an imbalance in your body's salt levels (electrolytes).
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Why this happens
Both medicines work to lower blood pressure but in different ways. Bisoprolol is a beta-blocker that slows the heart rate, while furosemide is a diuretic (water tablet) that removes excess fluid. When used together, their effects add up. Additionally, furosemide can lower potassium levels, which can sometimes change how the heart responds to bisoprolol.
What you should do
Back to contentsIt is very common for these two medicines to be prescribed together, especially for heart failure. However, you should monitor your blood pressure regularly at home. To avoid dizziness, try to get up slowly from a sitting or lying position. Ensure you attend your scheduled blood tests to check your kidney function and salt levels. If you feel very dizzy, have a severe headache, or feel unusually tired, contact your doctor.
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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.
12 May 2026 | Originally published

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