Furosemide (Lasix®)

5.22 Furosemide (Lasix®)
 
 

CLASS
Diuretic

ACTIONS
Furosemide is a potent diuretic that inhibits the reabsorption of sodium and chloride in the proximal tubule, distal tubule, and the loop of Henle.

Rapid acting, potent diuretic; inhibits reabsorption of Sodium Chloride. It is also a venous dilator that decreases preload.

INDICATIONS
Cardiogenic Pulmonary Edema

CONTRAINDICATIONS

  • Pregnancy
  • Known hypersensitivity
  • Dehydration or shock
  • Anuria
  • Hypersensitivity
  • Sulfa allergy

ADVERSE REACTIONS AND SIDE EFFECTS

  • Hypotension
  • Headache
  • Dizziness
  • Hypovolemia
  • Nausea
  • Vomiting
  • Dehydration
  • Dry mouth
  • Ototoxicity (hearing loss with too rapid IV administration)
  • Tinnitus
  • Hypochloremia
  • Hypokalemia
  • Hyponatremia
  • Hyperglycemia

WARNINGS
Rapid administration may cause auditory problems including tinnitus and hearing loss.

DOSAGE
Adult: 40 mg, IV bolus.