Metolazone is a medication that belongs to the thiazide diuretic class, often prescribed to people with high blood pressure or heart failure. This medication is sold under various brand names, some of which include Diulo, Mykrox, and Zaroxolyn. There are some drugs available on the market that have similar actions and uses, such as hydrochlorothiazide, chlorthalidone, and indapamide which are also thiazide diuretics. Other synonyms for Metolazone include metolazonum, metolazon, and metolazone acid. These drugs work in a similar way to remove excess sodium and water from the body, thereby reducing blood volume and lowering blood pressure. It is essential to use these medications only after consulting a doctor to avoid any complications.