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

aspirin vs furosemide

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

Drug Class
aspirin Antiplatelet / NSAID
furosemide Loop Diuretic
Type
aspirin Over-the-Counter
furosemide Prescription
Summary
aspirin

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

furosemide

Furosemide is a water pill (diuretic). It helps your body get rid of extra water and salt.

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.

furosemide

This medicine treats swelling (edema) from heart failure, liver problems, or kidney disease. It can also treat high blood pressure. Furosemide is helpful when you need a stronger diuretic.

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.

furosemide

Furosemide works in your kidneys. It helps your kidneys remove more salt and water from your blood. This lowers the amount of fluid in your body and lowers blood pressure.

Common Side Effects
aspirin
  • Upset stomach
  • Heartburn
furosemide
  • Dizziness
  • Headache
  • Blurred vision
  • Nausea
  • Vomiting
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
furosemide
  • Difficulty breathing 29,099
  • Tiredness 20,389
  • Diarrhea 19,940
  • Feeling sick to your stomach 18,682
  • Sudden kidney damage 18,530
Serious Warnings
aspirin

No specific warnings noted.

furosemide

Furosemide can cause you to lose too much fluid and electrolytes. This can lead to dehydration, low blood pressure, and kidney problems. Your doctor should check your blood regularly while you are taking this medicine.

Pregnancy
aspirin

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

furosemide

Tell your doctor if you are pregnant or plan to become pregnant. Furosemide may not be safe during pregnancy. Talk to your doctor about the risks and benefits of taking this medicine while breastfeeding.

Also Compare, Nearby Drugs

How to Read This aspirin vs furosemide Comparison

aspirin is classified in the Antiplatelet / NSAID drug class, while furosemide sits within the Loop Diuretic 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 furosemide has 106,640. 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 aspirin and furosemide - 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.