PROSARTAN-H TELMISARTAN (40mg) + HYDROCHLOROTHIAZIDE (12.5mg)TELMISARTAN –Blocks vasoconstricor and aldostrone secreting effects.Longest half life 24 hours compared to other ARBs ensuring long duration of action.HYDROCHLOROTHIAZIDE –Inhibits sodium re-absorption resulting in increased excretion of water and sodium.Used in management of Hypertension.