Drug Cards

Furosemide

Lasix
Class:
Loop diuretic.
Mechanism of Action:
Inhibits electrolate reabsorption and promotes excretion of sodium, potassium, chloride.
Indications:
  • Congestive Heart Failure (CHF)
  • Pulmonary edema
Contraindications:
  • Hypovolemia
  • Anuria
  • Hypotension (relative contraindication)
  • Hypersensitivity
  • Hepatic coma
Adverse reactions:
May exacerbate hypovolemia, hypokalemia, ECG changes, dry mouth, hypochloremia, hyponatremia
Drug Interactions
  • Lithium toxicity may be potentiated by sodium depletion.
  • Digitalis toxicity may be pontetiated by potassium depletion.
Adult Dosage and Administration
0.5-1.0 mg/kg injected slowly IV (Medical Option Control)
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Pediatric Dosage and Administration:
1 mg/kg / dose IV, IO (Medical Control Option)
Duration of Action
  • Onset: 5 minutes.
  • Peak Effects: 20 - 60 minutes.
  • Duration: 4-6 hours.
Special Considerations:
Pregnancy safety: Category C
Otoxocity and deafness can occur