Furosemide (Lasix)

Question 1

What is the therapeutic classification of Lasix? and the Pharmacologic?

Answer 1

Diuretic, and the Pharm is a loop diuretic

Question 2

What are the indications for Lasix?

Answer 2

Edema due to heart failure, hepatic impairment or renal disease Hypertension

Question 3

How does Lasix work?

Answer 3

It inhibits the reabsorption of sodium, chloride from the distal renal tubule. Also increases renal excretion of water, sodium, chloride, magnesium, potassium, and calcium

Question 4

What are the main side effects of Lasix on F and E?

Answer 4

dehydration, hypochloremia, hypoK, hypomagemia, hyponatremia, hypovolemia, metabolia alkalosis

Question 5

What is the adult PO dosing of Lasix for edema?

Answer 5

20-80mg/day initially; may repeat 6-8hrs

Question 6

What is the IM and IV dosing for adults of Lasix for edema?

Answer 6

20-40mg, may repeat 1-2 hrs and increase by 20mg every 1-2 hrs until desired result reached

Question 7

What are some lab result consierations for a pt taking Lasix?

Answer 7

monitor electrolytes, renaland hepatic function. watch for low serum sodium, calcium, and magnesium.

Question 8

Whatis the dose of Lasix for HTN?

Answer 8

40mg BID initially and may adjust further based on response

Question 9

What actions as a nurse do I take for Lasix? What adverse reactions should you watch for?

Answer 9

Assess electrolytes ensuring pt does not become hypo(electrolyte), watch BP, watch for signs of hypovolemia. Watch daily I&O.

• *Use cautiously in pt’s c Liver disease
• *Hypokalemia may increase risk of digoxin toxicity

Question 10

What should I teach the pt about this medication?

Answer 10

Take as prescribed, missed doses should be taken ASAP and do not double dose.

• have a diet high in K+
• watch for signs of hypokalemia(muscle cramps, weakness)