[Role of prolactin in disorders of water and salt metabolism in patients with hypertension].

The relationship between water-salt balance and blood prolactin (Prl) level was examined in 22 male patients with essential hypertension, stages IB-IIA. Blood Prl and urinary potassium and sodium excretion were measured initially, using the parlodel (2.5 mg) test, and the acute and chronic furosemide test.