Furosemide (Lasix)

1. Therapeutic Effects
   1. Osmotic Diuretic
   2. Inhibits sodium and chloride reabsorption at Loop of Henle
   3. Mild venous dilator

2. Indications
   1. CHF / Pulmonary Edema
   2. Some Hypertension Situations

3. Contraindications/Precautions
   1. Pregnancy
   2. Dehydration may develop rapidly
   3. Hypovolemia
   4. Low K+ (< 3.5)

4. Side Effects
   1. Decreased BP
   2. N/V
   3. Decrease of K+, may precipitate cardiac dysrhythmias

5. Administration and Dosage
   1. Adult: 20-40 mg initial dose (0.5-1.0 mg/kg IV)
      1. Use lower dose if no previous exposure to the drug
      2. Patients on Lasix may require higher doses.
      3. May repeat once PRN
   2. Peds: 1.0mg/kg IV (over age 12)
   3. Onset 5-10 minutes, peak 30 minutes, duration 2 hours.