Inhibits reabsorption of sodium and chloride in the ascending loop of Henle and proximal and distal renal tubules, interfering with the chloride-binding cotransport system, thus causing increased excretion of water, sodium, chloride, magnesium, and calcium
藥動學
Bioavailability:Oral solution: 50%
Half-life elimination: Normal renal function: 0.5 to 2 hours; End-stage renal disease (ESRD): 9 hours
Metabolism: Minimally hepatic
Excretion: Urine (Oral: 50%, IV: 80%) within 24 hours; feces (as unchanged drug); nonrenal clearance prolonged in renal impairment
禁忌症
Anuria
History of hypersensitivity to furosemide
懷孕分類
C
哺乳分類
Furosemide is present in breast milk; maternal use may suppress lactation. The manufacturer recommends that caution be used if administered to a breastfeeding woman.
副作用
Endocrine metabolic: Hyperuricemia (40%), Hypomagnesemia
Gastrointestinal: Loss of appetite
Renal: Spasm of bladder
劑量和給藥方法
Initial 2 mg/kg/dose increased in increments of 1 to 2 mg/kg/dose with each succeeding dose at intervals of 6 to 8 hours until a satisfactory response is achieved; maximum 6 mg/kg/dose
小兒調整劑量
Children and Adolescents 1 to 17 years: Initial 0.5-2 mg/kg/dose once or twice daily; maximum 6 mg/kg/dose