Carbonic anhydrase inhibitor: acetazolamide (Diamox)

Phosphodiesterase inhibitor*: theophylline

Sodium-potassium chloride inhibitors: bumetanide (Bumex), ethacrynic acid (Edecrin), furosemide (Lasix)

Sodium chloride inhibitors: chlorthalidone (Hygroton), hydrochlorothiazide (Esidrix), metolazone (Diulo)

Aldosterone antagonist: spironolactone (Aldactone)

Sodium channel blockers: amiloride (Midamor), triamterene (Dyrenium)