Diuretics Flashcards
1
Q
How does frusemide exert its action?
A
Inhibits Na+/K+/2Cl- transporter in the thick ascending loop of Henle.
2
Q
What are the pharmacokinetic properties of frusemide?
A
- Rapid absorption after oral administration
- Bioavailability approx 50%
- Highly protein-bound
- 50% excreted in urine unchanged
- Elimination half-life 1.5-2hrs
- Peak effect 30mins IV / 1hr oral
(3 to pass)
3
Q
What are the potential adverse effects of frusemide?
A
- Hypokalaemia
- Hyponatraemia
- Hypomagnesaemia
- Hyperuricaemia
- Postural hypotension
- Allergy
- Hyperglycamia
(bold + 2 to pass)