iodoquinol /ī′ōdō″kwinol/ , an amebicide. ▪ INDICATIONS: It is prescribed in the treatment of intestinal amebiasis. It is also used as a preventative in high-risk people. ▪ CONTRAINDICATIONS: Hepatic disease and known hypersensitivity to iodine or 8-hydroxyquinoline prohibit its use. ▪ ADVERSE EFFECTS: Among the most serious adverse effects are dizziness, thyroid enlargement, optic neuropathy, optic atrophy, and peripheral neuropathy.