| Ibudilast |
| Ibuprofen Piconol |
| Ibuprofen* |
| Idarubicin Hydrochloride |
| Idebenone |
| Idoxuridine* |
| Ifosfamide |
| Imatinib Mesilate |
| Imidapril Hydrochloride |
| Imipramine Hydrochloride* |
| Incadronate Disodium |
| Indapamide |
| Indeloxazine Hydrochloride |
| Indigocarmine* |
| Indocyanine Green |
| Indometacin Farnesil |
| Indometacin* |
| Inosine |
| Inositol Hexanicotinate |
| Iodamide* |
| Iodixanol |
| Iohexol |
| Iomeprol |
| Iopamidol |
| Iopanoic Acid* |
| Iopromide |
| Iotalamic Acid* |
| Iotrolan |
| Iotroxate Meglumine |
| Iotroxic Acid* |
| Ioversol |
| Ioxaglic Acid |
| Ioxilan |
| Ipratropium Bromide* |
| Ipriflavone |
| Irinotecan Hydrochloride |
| Irsogladine Maleate |
| Isepamicin Sulfate |
| Isoconazole Nitrate |
| Isoflurane |
| l-Isoleucine* |
| Isoniazid Glucuronate Sodium |
| Isoniazid Sodium Methanesulfonate |
| Isoniazid* |
| Isoprenaline Hydrochloride |
| Isoprenaline Sulfate |
| Isopropanol* |
| Isopropyl Unoprostone |
| Isopropylantipyrine* |
| Isosorbide* |
| Isothipendyl Hydrochloride |
| Isoxsuprine Hydrochloride |
| Itopride Hydrochloride |
| Itraconazole |