Decreased blood pressure, renal potassium wasting, increased renin production, and metabolic alkalosis with chloride reabsorption defect; indistinguishable from diuretic abuse. Autosomal dominant condition usually occurring in children and adolescents. Sometimes found in persons born prematurely or with polyhydramnios, with possible mental retardation and dwarfism. Cause is secondary hyperaldosteronism. Treatment is prostaglandin inhibitors and potassium-sparing diuretics.