See Drug Interventions by First Letter (I)
- Ibandronic acid
- Ibotenic Acid
- Ibudilast
- Ibuprofen
- Ibutilide
- Icatibant
- Iclaprim
- Idarubicin
- Idazoxan
- Idebenone
- Idoxuridine
- Ifetroban
- Ifosfamide
- Iloprost
- Imatinib
- Imidacloprid
- Imidapril
- Imipenem
- Imipramine
- Imiquimod
- Immune Sera
- Immunoconjugates
- Immunoglobulin A
- Immunoglobulin E
- Immunoglobulin Fab Fragments
- Immunoglobulin Fragments
- Immunoglobulin G
- Immunoglobulin Heavy Chains
- Immunoglobulin Idiotypes
- Immunoglobulin Light Chains
- Immunoglobulins
- Immunoglobulins, Intravenous
- Immunologic Factors
- Immunosuppressive Agents
- Immunotoxins
- Incretins
- Indapamide
- Indapamide, perindopril drug combination
- Indian Frankincense
- Indinavir
- Indiplon
- Indirubin
- Indobufen
- Indole
- Indole-3-carbinol
- Indomethacin
- Infliximab
- Inosine Pranobex
- Inositol
- Insulin
- Insulin aspart
- Insulin glulisine
- Insulin LISPRO
- Insulin, Long-Acting
- Insulin, NPH
- Integrase Inhibitors
- Interferon Alfa-2a
- Interferon Alfa-2b
- Interferon alfacon-1
- Interferon beta 1a
- Interferon beta-1b
- Interferon Inducers
- Interferon omega 1
- Interferon Type I
- Interferon-alpha
- Interferon-beta
- Interferon-gamma
- Interferons
- Interleukin 1 Receptor Antagonist Protein
- Interleukin-12
- Interleukin-2
- Interleukin-4
- Inulin
- Iodine
- Iodine-131 anti-B1 antibody
- Ionophores
- Ipratropium
- Irbesartan
- Irinotecan
- Irofulven
- Iron
- Iron Chelating Agents
- Iron Supplement
- Iron-Dextran Complex
- ISIS 2302
- ISIS 5132
- Islet Amyloid Polypeptide
- Isoantibodies
- Isoconazole
- Isoflurane
- Isoflurophate
- Isoleucine
- Isoniazid
- Isoniazid, pyrazinamide, rifampin drug combination
- Isophosphamide mustard
- Isopropyl unoprostone
- Isoproterenol
- Isoquercitrin
- Isosorbide
- Isosorbide Dinitrate
- Isosorbide-5-mononitrate
- Isotretinoin
- Isotrifolin
- Isradipine
- Istradefylline
- Itraconazole
- Ivermectin