nitazoxanide [ NTZ,Alinia,Colufase,Columbia Brand 1 of Nitazoxanide,Columbia Brand 2 of Nitazoxanide,Columbia Brand 3 of Nitazoxanide,Cryptaz,Daxon,Heliton,Romark Brand 1 of Nitazoxanide,Romark Brand 2 of Nitazoxanide,Solvay Brand of Nitazoxanide,Taenitaz,Unimed Brand of Nitazoxanide ] a 5-nitrothiazolyl derivative used for a broad range of intestinal parasitic infections including CRYPTOSPORIDIUM and GIARDIA; it is a redox-active nitrothiazolyl-salicylamide prodrug; structure given