Diiodohydroxyquinoline is used in the treatment of: Blastocystis Infections Cystinuria Dysentery, Amebic Diiodohydroxyquinoline is part of the drug class: Quinoline derivatives Do not take Diiodohydroxyquinoline if you have: Drug Hypersensitivity Liver Diseases Optic Neuropathy, Ischemic