OLMESAR H is a mix of Hydrochlorothiazide and Olmesartan which has a place with the gathering of drugs called Thiazide diuretics and Angiotensin II receptor blockers separately It is shown for the treatment of fundamental hypertension Fundamental hypertension otherwise called essential hypertension is an ailment where the power of the blood applied against the walls of the course remains extremely high and subsequently it might prompt serious harm to the veins of a few organs hence causing coronary episode heart or kidney disappointment stroke or even visual deficiency