it Salazosulfapyridine/sulfapyridine (Sulfasalazine)
Azulfidine, Salazopyrin, Sulazine
Itraconazole
Sporanox
Isotretinoin
Accutane
Isradipine
DynaCirc
Isosorbide dinitrate
Isordil
Isosorbide mononitrate
Imdur, Ismo
Isopropanol (Isopropyl alcohol)
Isopropyl alcohol (Isopropanol)
Isoproterenol (Isoprenaline)
Isuprel
Isoprenaline (Isoproterenol)
Isuprel