- Lialda
- Librax
- Libritabs
- Librium
- Libtayo
- Licon
- Lida Mantle
- LidaMantle
- Lidamantle HC
- Lidex
- Lidocaine
- Lidocaine, Combinations
- Lidocort
- Lidocream
- Lidoderm
- Lidoflazine
- Lidoject
- Lidomar
- Lidopatch
- LidoPen
- LidoPro
- Lidosite
- Lidostat
- Lidovir
- Lidum
- Lifitegrast
- Lignospan
- Liletta
- Limbal Stems Cells, Autologous
- Limbitrol
- Linaclotide
- Linagliptin
- Linagliptin & Metformin
- Linco-Jec
- Lincocin
- Lincomed
- Lincomix
- Lincomycin
- Lincorex
- Lindane
- Linezolid
- Linopirdine
- Linseed
- Linseed, Combinations
- Linsidomine
- Linzess
- Lioresal
- Liothyronine
- Lipegfilgrastim
- Lipidil Supra
- Lipidro
- Lipitor
- Lipofen
- Lipoflavovit
- Liposyn II
- Liposyn III
- Lipram
- Liptruzet
- Liq-10
- LiQsorb
- LiquADD
- Liqufruta
- Liqui Doss
- Liqui-Char
- Liqui-Char with Sorbitol
- Liqui-Dualcitra
- Liqui-Flur
- Liqui-Histine-D
- Liqui-Minic Infant
- Liqui-Sooth
- Liqui-Vict 2X
- Liquibid
- Liquibid DR
- Liquibid PDR
- Liquibid-D
- Liquibid-PD
- Liquicet
- Liquicough DM
- Liquicough HC
- Liquid Co-Q10
- Liquid Paraffin
- Liquid Paraffin, Combinations
- Liquid Pred
- Liquidbid 1200
- Liquidbid LA
- Liquimat Light
- Liquimat Medium
- Liquiphed DM
- Liquiprin
- Liquitex
- Liraglutide
- Lisdexamfetamine
- Lisinopril
- Lisinopril And Amlodipine
- Lisinopril And Diuretics
- Lisinopril and Hydrochlorothiazide
- Lispro PRC
- Listerine
- Lisuride
- Lithium
- Lithium Succinate
- Lithobid
- Lithostat
- Little Colds
- Little Fevers
- Little Noses
- Little Noses Decongestant
- Little Ouchies
- Little Remedies for Colds Decongestant Plus Cough
- Livalo
- Livostin
- Lixisenatide