A. Diuretic drugs Classification of diuretic drugs Loop diuretics thick ascending limb of Henle loop high efficacy inhibiting Na+-K+-2CI- symport furosemide呋塞米 Thiazide diuretics distal convoluted tubule moderate efficacy inhibiting Nat-CI- symport hydrochlorothiazide氢氯噻嗪 K+-sparing diuretics late distal tubule and collecting loW efficacy duct spironolactone螺内酯 inhibiting renal epithelial na channelsClassification of diuretic drugs Loop diuretics￾high efficacy furosemide 呋塞米 thick ascending limb of Henle loop inhibiting Na+-K+-2Cl- symport Thiazide diuretics moderate efficacy hydrochlorothiazide 氢氯噻嗪 distal convoluted tubule inhibiting Na+-Cl- symport K+-sparing diuretics low efficacy spironolactone 螺内酯 late distal tubule and collecting duct inhibiting renal epithelial Na+ channels A. Diuretic drugs