PlainMeds provides educational information only. This is not medical advice. Always consult your doctor or pharmacist.

aspirin vs atenolol

Side-by-side comparison of aspirin and atenolol. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

major Known Drug Interaction

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.

Recommendation: These drugs can generally be used together, but you should still follow your doctor's specific instructions.

Drug Class
aspirin Antiplatelet / NSAID
atenolol Beta-1 Selective Blocker
Type
aspirin Over-the-Counter
atenolol Prescription
Summary
aspirin

Aspirin is a common medicine used to relieve minor pain. It can also be prescribed by your doctor for other uses.

atenolol

Atenolol is a medicine that lowers blood pressure. It can also help with chest pain and after a heart attack.

What It Treats
aspirin

Aspirin is used to temporarily relieve minor aches and pains. However, it works slowly. It will not quickly relieve headaches or other symptoms that need immediate relief. Ask your doctor about other uses for this medicine.

atenolol

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.

How It Works
aspirin

Aspirin belongs to a class of drugs called NSAIDs and antiplatelets. It works by reducing substances in the body that cause pain and inflammation. It also helps to prevent blood clots.

atenolol

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.

Common Side Effects
aspirin
  • Upset stomach
  • Heartburn
atenolol
  • Dizziness
  • Tiredness
  • Fatigue
  • Diarrhea
  • Nausea
FAERS Reports
aspirin
  • Tiredness 31,969
  • Shortness of breath 27,184
  • Feeling sick to your stomach 26,582
  • Loose stools 26,451
  • Feeling lightheaded 22,392
atenolol
  • Feeling sick to your stomach 7,812
  • Feeling very tired 7,573
  • Loose, watery stools 6,995
  • Difficulty breathing 6,277
  • Feeling lightheaded or unsteady 6,249
Serious Warnings
aspirin

No specific warnings noted.

atenolol

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.

Pregnancy
aspirin

Ask your doctor for advice if you are pregnant or breastfeeding.

atenolol

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.

Also Compare, Nearby Drugs

How to Read This aspirin vs atenolol Comparison

aspirin is classified in the Antiplatelet / NSAID drug class, while atenolol sits within the Beta-1 Selective Blocker class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, aspirin has 134,578 submissions while atenolol has 34,906. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known major interaction flagged in FDA labeling, attributed to current medical studies do not show a clear way these two drugs interfere with each other when used for heart attacks.. 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 aspirin and atenolol - 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.