- Lubiprostone
- Lubriderm Intense Skin Repair
- Lubrifresh P.M.
- Lucemyra
- Lucentis
- Lucidex
- Luden's Drops
- Ludent
- Ludiomil
- Lufyllin
- Lufyllin-EPG
- Lufyllin-GG
- Lugols Strong Iodine
- Luliconazole
- Lumacaftor
- Lumacaftor & Ivacaftor
- Lumicain
- Lumify
- Lumigan
- Luminal
- Lumiracoxib
- Lumizyme
- Lumoxiti
- Lunelle
- Lunesta
- Lupron
- Lupron Depot
- Lurasidone
- Lurbinectedin
- Luride
- Lurline PMS
- Lusair
- Lusonal
- Lusonex
- LuSonex Plus
- Luspatercept-aamt
- Lustra
- Lustra-AF
- Lusutrombopag
- Lutalyse
- Lutera
- Lutrepulse
- Lutropin Alfa
- Luvena Feminine Wipes
- Luveris
- Luvox
- Luvox CR
- Luxiq
- Luxturna
- Luzu