Definition Diuretics are routinely used in the treatment of hypertension and congestive heart failure.  Several classes of diuretics exist, including thiazide diuretics (HCTZ, metolazone, chlorthalidone), loop diuretics (furosemide and bumetanide), carbonic anhydrase inhibitors (acetazolamide), osmotic diuretics (mannitol), and potassium sparing diuretics (spironolactone, amiloride, and triamterene).  The different classes have different mechanisms of action.  The thiazide […]