| Generic Name | Class | Initial Dose (mg) | Comments |
|---|---|---|---|
| Furosemide (Frusemide) | Loop | 80 | IV; PO equivalent is~twice the IV dose. Most commonly (ab)used diuretic! |
| Bumetanide | Loop | 0.5 | Oral and IV doses are the same |
| Torsemide | Loop | 5-10 | Best oral availability |
| Ethacrynic acid | Loop | 50 | Used if allergic to furosemide |
| Hydrochlorothiazide | Thiazide | 12.5 | PO; Weak diuretic per se-used with frusemide for sequential tubular blockade of Na reabsorption |
| Metolazone | Thiazide | 2.5 | Only available orally; high risk of hypokalaemia |