Furosemide

Revision as of 05:27, 20 July 2016 by Neil.m.young (talk | contribs) (Text replacement - "0 mg" to "0mg")

General

  • Type: Diuretic
  • Dosage Forms:20, 40, 80
  • Common Trade Names: Lasix

Adult Dosing

  • HTN: 10-40mg PO QDAY-BID, max 600mg/day
  • Hypercalcemia: 120mg/day PO divided QDAY - TID

Pediatric Dosing

  • Hypercalcemia: 25-50mg IV q4h

Special Populations

  • Pregnancy Rating:C
  • Lactation: safety unknown
  • Renal Dosing
    • Adult: no adjustment, contraindicated in anuria
    • Pediatric: no adjustment, contraindicated in anuria
  • Hepatic Dosing
    • Adult: not defined
    • Pediatric: not defined

Contraindications

  • Allergy to class/drug
  • anuria
  • electrolyte imbalances

Adverse Reactions

Serious

  • hypokalemia
  • metabolic alkalosis
  • hypovolemia
  • ototoxicity
  • hemolytic anemia
  • vasculitis
  • steven-johnson syndrome
  • pancreatitis
  • eosinophilia

Common

  • urinary frequency
  • dizziness
  • nausea/vomiting
  • weakness
  • muscle cramping
  • hypokalemia
  • hypomagnesemia
  • blurred vision
  • diarrhea
  • hyperglycemia
  • hyperuricemia
  • tinnitus

Pharmacology

  • Half-life: 30-60 min
  • Metabolism: liver minimally
  • Excretion: urine
  • Mechanism of Action: inhibits loop of henle and proximal and distal convoluted tubule sodium and chloride resorption

See Also

References