OLMAX H 20MG is a mix of Hydrochlorothiazide and Olmesartan which has a place with the gathering of meds called Thiazide diuretics and Angiotensin-II receptor blockers individually. It is shown for the treatment of fundamental hypertension. Fundamental hypertension (otherwise called essential hypertension) is an ailment wherein the power of the blood applied against the walls of the supply route remains extremely high, and subsequently it might prompt serious harm to the veins of a few organs, consequently causing coronary episode, heart or kidney disappointment, stroke, or even visual deficiency.