- Inamrinone
- Inapsine
- Incivek
- IncobotulinumtoxinA
- Increlex
- Incruse Ellipta
- Incurin
- Indacaterol
- Indacaterol and glycopyrrolate
- Indapamide
- Inderal
- Inderide
- Indigo Carmine
- Indinavir
- indium (111In) antiovariumcarcinoma antibody
- indium (111In) capromab pendetide
- indium (111In) imciromab
- indium (111In) oxinate labelled cells
- indium (111In) pentetic acid
- indium (111In) pentetreotide
- indium (111In) satumomab pendetide
- indium (111In) tropolonate labelled cells
- Indobufen
- Indocin
- Indometacin, Combinations
- Indomethacin
- Indoprofen
- Indoramin
- Infadrops
- Infanrix
- Infanrix
- Infantaire
- Infectiguard
- Infergen
- Inflamase Forte
- Inflamase Mild
- Inflectra
- Infliximab
- Infliximab-dyyb
- Influenza Vaccine (Surface Antigen)
- Influenza, Inactivated, Whole Virus
- Influenza, Live Attenuated
- Infumorph
- Infuvite
- Ingenol Mebutate
- Inlyta
- Innofem
- Innohep
- InnoPran
- Inocor I. V.
- Inon Ace Tablet
- Inosine
- Inosine Pranobex
- Inositech
- Inositol
- Inositol Nicotinate
- Inova
- Insects
- Inspra
- Insta-Char
- Insta-Glucose
- Instacort
- Instacort 10
- Instafresh
- Instantfoam
- Insulin (beef)
- Insulin (pork)
- Insulin Aspart
- Insulin Degludec
- Insulin Degludec & Insulin Aspart
- Insulin Detemir
- Insulin Glargine
- Insulin Glulisine
- Insulin human
- Insulin Lispro
- Intal
- Integra F
- Integrilin
- Intelence
- Interferon
- Interferon Alfa Natural
- Interferon alfa-2a
- Interferon Alfa-2b
- Interferon Alfa-n1
- Interferon Alfacon-1
- Interferon Beta Natural
- Interferon Beta-1a
- Interferon beta-1b
- Interferon Gamma
- Intermezzo
- Intralipid
- Intron A
- Intropin
- Introvale
- Intuniv
- Inulin And Other Polyfructosans
- Invanz
- Invega
- Invega Sustenna
- Invega Trinza
- Inversine
- Invert Sugar
- Invirase
- Invokamet
- Invokana
- Inzo