Davis's Drug Guide
- L-2–aminoglutaramic acid
- Lady's thistle
- Lagevrio
- LaMICtal
- LaMICtal ODT
- LaMICtal XR
- LamISIL
- Lamisil AF
- Lamisil AT
- Lanacane
- Lanacort 9-1-1
- Lancora
- Lanoxin
- Lantus
- Lantus SoloStar
- Lanvis
- Lapelga
- Largon
- Lariam
- Larin 1/20
- Larin 1.5/30
- Larin 24 Fe
- Larin Fe 1/20
- Larin Fe 1.5/30
- Lartruvo
- Lasix
- Lastacaft
- Latisse
- Latuda
- Lavandula angustifolia
- LaViv
- lavose
- Lax-a-Day
- Layolis Fe
- L-choline
- Ledaga
- Leena
- Lemtrada
- Lente Iletin II
- Lenvima
- leopard's bane
- Leqembi
- Leqvio
- Leritine
- Lescol
- Lescol XL
- Lessina
- Letairis
- Leukeran
- Leukine
- Levaquin
- Levatol
- Levbid
- Levemir
- Levemir FlexPen
- Levemir FlexTouch
- Levemir Penfill
- Levisticum officinale
- Levitra
- Levonest
- Levophed
- Levoprome
- Levora-28
- Levo-T
- Levoxyl
- Levsin
- Levulan Kerastick
- Lexapro
- Lexette
- Lexiva
- L-glycine
- Lialda
- Libervant
- Libritabs
- Librium
- Libtayo
- Licart
- Lidemol
- Lidex
- Lidodan
- Lidoderm
- LIG
- Ligustilides
- Likmez
- Liletta
- Limbrel
- linseed
- Linum usitatissimum
- Linzess
- Lioresal
- Lipidil EZ
- Lipidil Supra
- Lipitor
- Lipofen
- lipositol
- Liposyn III
- Lipotropic Factor
- Liptruzet
- Liqrev
- Liqui-Cal
- Liqui-Char
- Liquid Cal-600
- Liqui-E
- Litfulo
- Lithane
- Lithmax
- Lithobid
- Lithostat
- Livalo
- Lixiana
- LKV Drops
- L-M-X 4
- L-M-X 5
- Locoid
- Lodalis
- Lodine
- Lodoco
- Loestrin 1/20
- Loestrin 1.5/30
- Loestrin Fe 1/20
- Loestrin Fe 1.5/30
- Lofena
- Logilia
- LoJaimiess
- Lokelma
- Lo Loestrin Fe
- Lomaira
- Lomotil
- Lonhala Magnair
- Loniten
- Lonsurf
- Lopid
- Lopressor
- Loprox
- Lorabid
- Loradamed
- Lorbrena
- Loreev XR
- Lorelco
- Loryna
- Lorzone
- LoSeasonique
- Losec
- Lotensin
- Lotrimin AF
- Lotrimin Ultra
- Lotronex
- louisa
- Lovaza
- Lovenox
- Lovenox HP
- Low-Ogestrel
- Lowprin
- Loxapac
- Loxitane
- Lozide
- Lozol
- Lo-Zumandimine
- Lucemyra
- Lucentis
- Ludiomil
- Lugol's solution
- Luminal
- Lumizyme
- Lumoxiti
- Lumryz
- Lunesta
- Lupkynis
- Lupron
- Lupron Depot
- Lupron Depot-Ped
- Luride
- Lusedra
- Lutathera
- luteina
- Lutera
- Lutrepulse
- Luvox
- Luvox CR
- Luzu
- Lybalvi
- Lyderm
- Lyleq
- Lyllana
- LYMErix
- Lynparza
- Lyracaine
- Lyrica
- Lyrica CR
- Lysodren
- Lysteda
- Lyumjev
- Lyumjev KwikPen
- Lyumjev Tempo Pen
- Lyvispah