dutasteride/tamsulosin vs furosemide
Side-by-side comparison of dutasteride/tamsulosin and furosemide. 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
7.5 Furosemide Tamsulosin Tamsulosin had no effect on the pharmacodynamics (excretion of electrolytes) of furosemide. While furosemide produced an 11% to 12% reduction in tamsulosin hydrochloride C max and AUC, these changes are expected to be clinically insignificant and do not require adjustment of the dose of tamsulosin [see Clinical Pharmacology ( 12.3 ) ] .
Recommendation: No dose adjustments are necessary because the interaction is not considered clinically important.
Jalyn
Lasix
This medicine combines two drugs to treat enlarged prostate in men. It helps improve urine flow and reduce symptoms.
Furosemide is a water pill (diuretic). It helps your body get rid of extra water and salt.
This medicine treats benign prostatic hyperplasia (BPH), also known as enlarged prostate, in men. It helps to relieve symptoms like frequent urination, difficulty starting urination, and weak urine stream. This medicine is not approved to prevent prostate cancer.
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 contains two drugs that work in different ways. Dutasteride lowers a hormone called DHT that causes the prostate to grow. Tamsulosin relaxes the muscles in the prostate and bladder, making it easier to urinate.
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.
- • Problems with ejaculation
- • Impotence (trouble getting or keeping an erection)
- • Decreased sex drive
- • Dizziness
- • Breast enlargement or tenderness
- • Dizziness
- • Headache
- • Blurred vision
- • Nausea
- • Vomiting
- Shortness of breath 1,233
- Tiredness 1,142
- Feeling lightheaded or unsteady 986
- Weakness 933
- Loose stools 897
- Difficulty breathing 29,099
- Tiredness 20,389
- Diarrhea 19,940
- Feeling sick to your stomach 18,682
- Sudden kidney damage 18,530
This medicine can cause dizziness, lightheadedness, and fainting, especially when you stand up. Be careful to avoid falls or injuries. Do not take this medicine with other alpha-blockers, as it can lower your blood pressure too much. This medicine can affect your PSA levels, which are used to screen for prostate cancer, so tell your doctor you are taking this medicine. Pregnant women should not handle this medicine, as it can harm a male fetus.
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.
This medicine is not for women. It can harm a male fetus if a pregnant woman is exposed to it. Pregnant women should not handle this medicine.
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 dutasteride/tamsulosin vs furosemide Comparison
dutasteride/tamsulosin is classified in the 5-ARI / Alpha-Blocker Combination 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 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, dutasteride/tamsulosin has 5,191 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. These two drugs have a known major interaction flagged in FDA labeling, attributed to furosemide can slightly decrease the levels of tamsulosin in your body, but it does not change how well the water pill works.. 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 dutasteride/tamsulosin 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.