Drug interactions
Atenolol + Telmisartan
Severity: Moderate
Atenolol and Telmisartan: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Combining a beta-blocker with an angiotensin receptor blocker gives additive blood pressure lowering, which is often intended but can cause symptomatic hypotension. Telmisartan is also fetotoxic in pregnancy, which is relevant regardless of the beta-blocker.
What this interaction means in plain words
Atenolol and Telmisartan can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Atenolol belongs to Cardiovascular; Telmisartan belongs to Cardiovascular.
Why it happens
Additive antihypertensive effect through beta-blockade (reduced renin and cardiac output) and angiotensin II receptor blockade.
What to do
Monitor blood pressure and heart rate when starting or adjusting doses, and avoid use in pregnancy by switching to a pregnancy-compatible antihypertensive.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Atenolol
- Amifostine + Atenolol Major
- Amiodarone + Atenolol Major
- Atenolol + Atenolol-chlorthalidone Major
- Atenolol + Betaxolol Major
- Atenolol + Bisoprolol Major
- Atenolol + Carvedilol Major
Other interactions of Telmisartan
- Aliskiren + Telmisartan Contraindicated
- Sparsentan + Telmisartan Contraindicated
- Amifostine + Telmisartan Major
- Amiloride + Telmisartan Major
- Amlodipine-benazepril + Telmisartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Telmisartan Major
Frequently asked questions
Can I take Atenolol with Telmisartan?
MediHelp rates the interaction as moderate. Atenolol and Telmisartan can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Combining a beta-blocker with an angiotensin receptor blocker gives additive blood pressure lowering, which is often intended but can cause symptomatic hypotension. Telmisartan is also fetotoxic in pregnancy, which is relevant regardless of the beta-blocker.
How serious is the interaction between Atenolol and Telmisartan?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and heart rate when starting or adjusting doses, and avoid use in pregnancy by switching to a pregnancy-compatible antihypertensive.
What other medicines interact with Atenolol?
MediHelp also lists interactions of Atenolol with, for example, Amifostine, Amiodarone, Atenolol-chlorthalidone. The full list is on the Atenolol page.
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