atenolol vs bisoprolol
Side-by-side comparison of atenolol and bisoprolol Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Tenormin
Zebeta
Atenolol is a medicine that lowers blood pressure. It can also help with chest pain and after a heart attack.
Bisoprolol (Zebeta) is a medicine that lowers high blood pressure. It belongs to a class of drugs called beta-blockers.
Atenolol is used to treat high blood pressure (hypertension). Lowering blood pressure reduces the risk of strokes and heart attacks. Atenolol is also used long-term for chest pain (angina) caused by narrowed arteries. It can also help people who have had a heart attack.
Bisoprolol is used to treat high blood pressure. It can be used alone or with other medicines to lower your blood pressure. Lowering blood pressure helps prevent strokes, heart attacks, and kidney problems.
Atenolol is a beta-blocker that mainly affects the heart. It works by blocking the effects of certain chemicals in your body that raise heart rate and blood pressure. This helps your heart beat slower and with less force, lowering blood pressure.
Bisoprolol works by blocking the effects of certain natural chemicals in your body, such as adrenaline, on the heart and blood vessels. This helps to slow down your heart rate and relax your blood vessels, which lowers blood pressure. It mainly affects the heart.
- • Dizziness
- • Tiredness
- • Fatigue
- • Diarrhea
- • Nausea
- • Headache
- • Fatigue
- • Dizziness
- • Diarrhea
- • Nausea
- The medicine is not working 7,900
- Feeling sick to your stomach 7,812
- Feeling very tired 7,573
- Loose, watery stools 6,995
- Difficulty breathing 6,277
- Difficulty breathing 8,879
- Sudden kidney damage 6,854
- Tiredness 6,805
- Diarrhea 6,290
- Feeling sick to your stomach 6,144
You should not take atenolol if you have a very slow heart rate, a serious heart block, cardiogenic shock, or heart failure. Atenolol can make these conditions worse. Tell your doctor right away if you feel dizzy or lightheaded, or if your heart rate becomes very slow.
You should not take bisoprolol if you have cardiogenic shock, severe heart failure, a second or third-degree AV block, or a very slow heart rate.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if atenolol will harm your unborn baby. Talk to your doctor about the risks and benefits of taking atenolol while pregnant or breastfeeding.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if bisoprolol will harm your unborn baby. Talk to your doctor about the risks and benefits of taking bisoprolol during pregnancy and breastfeeding.
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How to Read This atenolol vs bisoprolol Comparison
atenolol is classified in the Beta-1 Selective Blocker drug class, while bisoprolol sits within the Beta-1 Selective Blocker class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, atenolol has 36,557 submissions while bisoprolol has 34,972. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between atenolol and bisoprolol — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.