| I | ||
| lbuprofen | Advil, Motrin, Rufen, Nuprin | |
| Idarubicin HCI | Idamycin | |
| Idoxuridine | Herplex | |
| Ifosfamide | Ifex | |
| lmipenem-Cilastatin | Primaxin | |
| Imipramine HC1 | Tofranil | |
| Immune Globulin IM | Gamastan, Gammar | |
| Immune Globulin IV (IGIV) | Gamimune N, Garnmagard, | |
| Gammar-W, Sandoglobulin | ||
| Indapamide | Lozol | |
| Indamethacin | Indocin | |
| INH (Isoniazid) | Nydrazid, Laniazid | |
| lodinated Glycerol | Organidin | |
| lodochlorhydroxyquin | Clioquinol, Vioform | |
| Ipratropium Bromide | Atrovent | |
| Iron Dextran | InfeD | |
| Isoetharine HCI | Bronkometer, Bronkosol | |
| Isoflurophate | Floropryl | |
| Isoniazid (INH) | Nydrazid, Laniazid | |
| Isopropamide Iodide | Darbid | |
| Isoproterenol | Isuprel | |
| Isosorbide Dinitrate | Isordil, Sorbitrate | |
| laosorbide Mononitrate | lmdur, ISMO | |
| Isotretinoin | Accutane | |
| Isoxsurprine HCI | Vasodilan, Voxsuprine | |
| Isradipine | DynaCirc | |
| Itraconazole | Sporanox |