Question: are hydrochlorothiazide and losartan the same thing?
Answer: What is hydrochlorothiazide and losartan? Hydrochlorothiazide is a diuretic (water pill). Losartan is an angiotensin II receptor antagonist (sometimes called an ARB blocker). Hydrochlorothiazide and losartan is a combination medicine used to treat high blood pressure (hypertension).