Comparative Pharmacology
Head-to-head clinical analysis: FUROSEMIDE versus LASIX.
Peer-Reviewed Evidence
Head-to-head clinical analysis: FUROSEMIDE versus LASIX.
FUROSEMIDE vs LASIX
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Furosemide is a loop diuretic that inhibits the Na-K-2Cl cotransporter in the thick ascending limb of the loop of Henle, reducing reabsorption of sodium, chloride, and potassium ions, leading to increased urine output.
Furosemide inhibits the Na-K-2Cl cotransporter in the thick ascending limb of the loop of Henle, reducing sodium, chloride, and water reabsorption and increasing urinary output.
Adults: 20-80 mg orally once or twice daily; IV/IM: 20-40 mg once or twice daily, may increase by 20-40 mg every 6-8 hours. Max dose: 600 mg/day.
20-80 mg IV or PO once or twice daily; maximum 600 mg/day IV or PO.
None Documented
None Documented
0.5-2 hours (terminal); prolonged in renal impairment (up to 9-24 hours) and hepatic cirrhosis (up to 2-4 hours).
Clinical Note
moderateFurosemide + Digoxin
"The risk or severity of adverse effects can be increased when Furosemide is combined with Digoxin."
Clinical Note
moderateFurosemide + Digitoxin
"The risk or severity of adverse effects can be increased when Furosemide is combined with Digitoxin."
Clinical Note
moderateFurosemide + Deslanoside
"The risk or severity of adverse effects can be increased when Furosemide is combined with Deslanoside."
Clinical Note
moderateFurosemide + Acetyldigitoxin
Terminal elimination half-life is approximately 1.5-2 hours. In renal impairment (CrCl <20 mL/min), half-life may prolong to up to 2-4 hours; in end-stage renal disease or heart failure, may exceed 4 hours.
Renal (50-80% unchanged; remainder as glucuronide metabolite); fecal (<2%).
Primarily renal excretion (50-80% as unchanged drug) via glomerular filtration and proximal tubular secretion; minor fecal elimination (<5%).
Category A/B
Category C
Loop Diuretic
Loop Diuretic
"The risk or severity of adverse effects can be increased when Furosemide is combined with Acetyldigitoxin."