Furosemide (Lasix)

Question 1

Furosemide (Lasix) Class

Answer 1

Loop Diuretic

Question 2

MOA of Furosemide (Lasix)

Answer 2

Blocks the absorption of sodium and chloride at the distal and proximal tubules and the Loop of Henle, causing increased urine output.

Question 3

Indications for Furosemide (Lasix)

Answer 3

Heart Failure, Pulmonary Edema, Hypertensive crisis.

Question 4

Contraindications for Furosemide (Lasix)

Answer 4

Hypersensitivity, hypovolemia, hypotension, Hypokalemia, hepatic coma, Anuria.

Question 5

Adverse Reactions of Furosemide (Lasix)

Answer 5

Dizziness, HA, EKG changes, weakness, hypotension, orthostatic hypotension, dysrhythmias, N/V, dry mouth, hyperglycemia, may exacerbate hypovolemia and hypokalemia.

Question 6

Dosage for Furosemide (Lasix)

Answer 6

Adult: 0.5-1mg/kg IV/IO slowly over 1-2mins. If no response, double the dose to 2mg/kg, slowly over 1-2mins.

Peds: 1mg/kg IV/IO slowly.

Question 7

Duration for Furosemide (Lasix)

Answer 7

Onset: 5 mins

Peak: 20-60 mins

Duration: 4-6 hrs