Methyclothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention. Methyclothiazide treats fluid retention (edema) in people with congestive heart failure, cirrhosis of the liver, or kidney disorders, or edema caused by taking steroids or estrogen. This medication is also used to treat high blood pressure (hypertension). Methyclothiazide may also be used for other purposes not listed in this medication guide.
Methyclothiazide is a prescription drug belonging to a class of medications known as thiazide diuretics. Methyclothiazide is a generic drug; the brand names of this drug are Aquatensen, Enduron, Diutensen-R, and Enduronyl. Methyclothiazide is used to treat fluid overload, high blood pressure, and edema. Methyclothiazide works in the body to excrete certain electrolytes and minerals.