1) Diuretic 2) Diuretic drug 3) Hygroton 4) Thalidone 5) Water pill 1) Hygroton 2) Thalidone 
<chemical> A diuretic with actions and uses similar to those of the thiazide diuretics even though it does not contain a thiazide ring system. ... Pharmacological action: antihypertensive agents, diuretics, sulfamyl. ... Chemical name: Benzenesulfonamide, 2-chloro-5-(2,3-dihydro-1-hydroxy-3-oxo-1H-isoindol-1-yl)- ... (12 Dec 1998) ... 
(klor-thal´ĭ-dōn) a diuretic with the same pharmacologic action as thiazide diuretics; used for treatment of hypertension and edema.
Hygroton noun a diuretic (trade names Hygroton and Thalidone) used to control hypertension and conditions that cause edema; effective in lowering blood pressure to prevent heart attacks
a sulfonamide diuretic, CHClNOS, used in the management of hypertension.