acetaminophen vs furosemide
Side-by-side comparison of acetaminophen and furosemide. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Tylenol
Lasix
Acetaminophen (Tylenol) is a medicine that can relieve pain and reduce fever. It is available over-the-counter.
Furosemide is a water pill (diuretic). It helps your body get rid of extra water and salt.
This medicine temporarily relieves minor aches and pains. It can help with headaches, the common cold, backaches, and minor arthritis pain. It can also help with toothaches, muscle aches, premenstrual and menstrual cramps. Acetaminophen can also temporarily reduce fever.
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.
Acetaminophen's exact mechanism is not fully understood. It is believed to work in the brain to reduce pain signals. It also helps to lower body temperature when you have a fever.
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.
- • Headache
- • Nausea
- • Dizziness
- • Headache
- • Blurred vision
- • Nausea
- • Vomiting
- Tiredness 34,486
- Feeling sick to your stomach 29,571
- Head pain 28,378
- Aches 28,322
- Loose stool 23,628
- Difficulty breathing 29,099
- Tiredness 20,389
- Diarrhea 19,940
- Feeling sick to your stomach 18,682
- Sudden kidney damage 18,530
Taking more acetaminophen than directed can cause liver damage. Follow the dosage instructions carefully.
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.
If you are pregnant or breastfeeding, talk to your doctor before using this medicine. They can help you weigh the risks and benefits.
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.
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How to Read This acetaminophen vs furosemide Comparison
acetaminophen is classified in the Analgesic / Antipyretic 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, acetaminophen has 144,385 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 acetaminophen 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.