A method for treating hypertension in a subject in need thereof (e.g., wherein said treatment does not result in an increase in serum uric acid levels, abnormally elevated serum uric acid levels, hyperuricemia, serum uric acid levels of above 6 mg/dL, or in the development of gout in the subject), the method comprising administering to the subject: a. a thiazide diuretic； and b. an organic anion transporter 4 (OAT4) inhibitor. The thiazide diuretic is selected from hydrochlorothiazide, bendroflumethiazide, benzothiadiazine, hydroflumethiazide, clorothiazide, methyclothiazide, polythiazide, chlorthalidone, metolazone, indapamide, bumetanide, ethacrynic acid, furosemide or torsemide. The OAT4 inhibitor is 2-(5-bromo-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-ylthio)acetic acid or a pharmaceutically acceptable salt thereof.
