Cyclothiazide
![](/Images/godic/202412/21/Cyclothiazide5348.png")
![Cyclothiazide synthesis:[11] E. Müller, K. Hasspacher, U.S. Patent 3,275,625 (1966 to Boehringer Ingelheim).](/Images/godic/202412/21/Cyclothiazide_synthesis.svg5348.png")
Cyclothiazide (Anhydron, Acquirel, Doburil, Fluidil, Renazide, Tensodiural, Valmiran) is a benzothiadiazide (thiazide) diuretic and antihypertensive that was originally introduced in the United States in 1963 by Eli Lilly and was subsequently also marketed in Europe and Japan. Related drugs include diazoxide, hydrochlorothiazide, and chlorothiazide.