furosemide vs tolterodine
Side-by-side comparison of furosemide and tolterodine. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
Diuretics Coadministration of tolterodine immediate release up to 8 mg (4 mg bid) for up to 12 weeks with diuretic agents, such as indapamide, hydrochlorothiazide, triamterene, bendroflumethiazide, chlorothiazide, methylchlorothiazide, or furosemide, did not cause any adverse electrocardiographic (ECG) effects.
Recommendation: You can continue taking both medications as prescribed without any special monitoring.
Lasix
Detrol
Furosemide is a water pill (diuretic). It helps your body get rid of extra water and salt.
Tolterodine extended-release capsules help control an overactive bladder. It reduces the feeling of needing to go to the bathroom often.
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.
This medicine treats overactive bladder. It helps reduce leaking urine, the strong need to urinate, and frequent urination. These symptoms are also known as urge urinary incontinence, urgency, and frequency.
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.
Tolterodine belongs to a class of drugs called antimuscarinics. It works by blocking certain nerve signals to the bladder. This helps to relax the bladder muscles and reduce the urge to urinate.
- • Dizziness
- • Headache
- • Blurred vision
- • Nausea
- • Vomiting
- • Dry mouth
- • Headache
- • Constipation
- • Abdominal pain
- Difficulty breathing 29,099
- Tiredness 20,389
- Diarrhea 19,940
- Feeling sick to your stomach 18,682
- Sudden kidney damage 18,530
- Falling down 407
- Feeling tired 406
- Feeling lightheaded 309
- Loose stools 308
- Feeling sick to your stomach 308
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.
Anaphylaxis and angioedema (severe allergic reactions) have happened with this drug. These reactions can cause difficulty breathing and require emergency treatment. Use caution if you have bladder problems, gastrointestinal issues, or glaucoma. This medicine can cause sleepiness, so be careful driving or operating heavy machinery.
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.
It is not known if tolterodine is safe to use during pregnancy. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if tolterodine passes into breast milk. Talk to your doctor about the best way to feed your baby if you are taking this medicine.
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How to Read This furosemide vs tolterodine Comparison
furosemide is classified in the Loop Diuretic drug class, while tolterodine sits within the Anticholinergic (Overactive Bladder) class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, furosemide has 106,640 submissions while tolterodine has 1,738. 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 minor interaction flagged in FDA labeling, attributed to there is no known interaction between these drugs, and they do not cause any harmful effects on the heart when taken together.. 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 furosemide and tolterodine - 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.