Can I take Bisoprolol and Simvastatin together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
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There is no direct interaction between bisoprolol and simvastatin. However, both medications can occasionally cause muscle-related side effects, such as weakness or fatigue. While rare, taking them together might slightly increase the chance of feeling tired or having low energy.
Why this happens
Bisoprolol is a beta-blocker used for heart rate and blood pressure, while simvastatin is a statin used for cholesterol. They are processed by different pathways in the liver and do not interfere with how the other is absorbed or removed from the body.
What you should do
You can safely take these two medicines together. It is a very common combination for heart health. If you experience unusual muscle pain, tenderness, or weakness (which can be a side effect of simvastatin), or extreme tiredness, mention it to your doctor at your next check-up.
Important precautions
Asthma or chronic obstructive pulmonary disease (COPD)
Bisoprolol can cause your airways to narrow, making it much harder to breathe or triggering a severe asthma attack. It is usually avoided if you have a history of wheezing or asthma.
Diabetes
Bisoprolol can mask the warning signs of low blood sugar (hypoglycaemia), such as a fast heartbeat or tremors. You will need to monitor your blood sugar more closely.
Muscle pain or weakness - simvastatin
You must report any unexplained muscle pain, tenderness, or weakness to your doctor immediately. In rare cases, this can lead to serious kidney damage.
Food and drink warnings
Alcohol
You should limit your alcohol intake. For bisoprolol, alcohol can increase the blood-pressure-lowering effect, making you feel dizzy or lightheaded. For simvastatin, regular heavy drinking increases the risk of liver problems and muscle side effects.
Grapefruit juice
Avoid drinking large amounts of grapefruit juice. Grapefruit contains a chemical that increases the amount of simvastatin in your bloodstream, which significantly raises the risk of serious side effects, such as muscle damage (myopathy). It is safest to avoid it altogether.
Using other medicines
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
Article also available in English, German, Spanish, French, Italian, Portuguese, Hindi, Hebrew, Arabic, and Swedish.
25 Jan 2026 | Originally published
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