- ibandronic acid
- ibandronic acid, monosodium salt, monohydrate
- ibandronic sodium monohydrate
- ibrutinib
- ibuprofen
- ibuprofen lysinate
- ibuprofen lysine
- ibuprofen sodium dihydrate
- icatibant acetate
- icodextrin
- idarubicin hydrochloride
- idarucizumab
- idebenone
- idelalisib
- idursulfase
- ifosfamide
- iloprost trometamol
- imatinib mesilate
- imidapril hydrochloride
- imiglucerase
- imipenem monohydrate
- imipramine hydrochloride
- imiquimod
- immunoglobulin
- indacaterol maleate
- indapamide
- indapamide hemihydrate
- indigo carmine
- indometacin
- indoramin hydrochloride
- infliximab
- influenza vaccine
- influenza vaccine (split virion, inactivated)
- influenza vaccine (surface antigen, inactivated)
- ingenol mebutate
- inosine acedoben dimepranol
- inotersen (as sodium)
- inotuzumab ozogamicin
- insulin
- insulin aspart
- insulin degludec
- insulin detemir
- insulin glargine
- insulin glulisine
- insulin lispro
- interferon alfa-2a
- interferon alfa-2b
- interferon beta-1a
- interferon beta-1b
- interferon gamma-1b
- iodine
- iodoform
- iomeprol
- iopamidol
- ipecacuanha liquid extract
- ipilimumab
- ipratropium bromide
- ipratropium bromide monohydrate
- irbesartan
- irbesartan hydrochloride
- irinotecan hydrochloride trihydrate
- iron
- iron (III) isomaltoside 1000
- iron dextran
- iron sucrose
- isavuconazole
- isavuconazonium sulfate
- isocarboxazid
- isoflurane
- isoleucine
- isoniazid
- isopropyl alcohol
- isopropyl myristate
- isosorbide dinitrate
- isosorbide mononitrate
- isotretinoin
- ispaghula husk
- ispaghula seed
- itraconazole
- itraconazole trihydrochloride
- ivabradine hydrochloride
- ivabradine oxalate
- ivacaftor
- ivermectin
- ixazomib citrate
- ixekizumab
