Aspirin and Atenolol Interaction
Drug interaction information between Aspirin and Atenolol.
Aspirin and Atenolol have a documented major interaction in FDA labeling.
FDA drug labeling documents a major-severity interaction between Aspirin and Atenolol. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.
How They Interact
Current medical studies do not show a clear way these two drugs interfere with each other when used for heart attacks.
What To Do
These drugs can generally be used together, but you should still follow your doctor's specific instructions.
FDA Label Information
Information on concurrent usage of atenolol and aspirin is limited. Data from several studies, i.e., TIMI-II, ISIS-2, currently do not suggest any clinical interaction between aspirin and beta-blockers in the acute myocardial infarction setting.
Aspirin Also Interacts With
- Fluoxetine major
- Ibandronate major
- Alendronate moderate
- Apixaban moderate
- Desvenlafaxine moderate
Atenolol Also Interacts With
- Theophylline major
- Clonidine minor
- Amiodarone minor
- Epinephrine minor
- Indomethacin minor
Frequently Asked Questions
Can I take Aspirin and Atenolol together?
This is a major interaction. These drugs can generally be used together, but you should still follow your doctor's specific instructions.
How serious is the interaction between Aspirin and Atenolol?
This interaction is classified as "major" severity by the FDA. Major interactions may be life-threatening or cause serious side effects.
Why do Aspirin and Atenolol interact?
Current medical studies do not show a clear way these two drugs interfere with each other when used for heart attacks.
Understanding the Aspirin and Atenolol Interaction
FDA-approved prescribing information for these two drugs flags their combination as a major-severity interaction. Aspirin belongs to the Antiplatelet / NSAID class and Atenolol belongs to the Beta-1 Selective Blocker class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: Current medical studies do not show a clear way these two drugs interfere with each other when used for heart attacks. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.
Context around a specific patient determines real-world impact. Aspirin has 47 total documented interactions on file in this dataset, and Atenolol has 14. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: These drugs can generally be used together, but you should still follow your doctor's specific instructions. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.
An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Aspirin or Atenolol based on a web page, speak with your prescriber or pharmacist before making any change.
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.
Read our methodology - how this data is sourced, computed, and verified.