DIURETICS

1. High efficacy diuretics (Inhibitors of Na+-K+-2Cl¯ cotransport)
    a. Sulphamoyl derivatives:
                Furosemide
                Bumetanide
                Torasemide

    b. Phenoxyacetic acid derivative:
                Ethacrynic acid

2. Medium efficacy diuretics (Inhibitors of Na+-Cl¯ symport)
    a. Benzothiadiazines (thiazides):
                Hydrochlorothiazide
                Benzthiazide
                Hydroflumethiazide
                Clopamide

    b. Thiazide like (related heterocyclics):
                Chlorthalidone
                Metolazone
                Xipamide
                Indapamide

3. Weak or adjunctive diuretics
    a. Carbonic anhydrase inhibitors:
                Acetazolamide

    b. Potassium sparing diuretics:
        Aldosterone antagonist:
                Spironolactone
                Eplerenone

        Inhibitors of renal epithelial Na+ channel:
                Triamterene
                Amiloride

    c. Osmotic diuretics:
                Mannitol
                Isosorbide
                Glycerol

    d. Xanthines: 
                Theophylline