labetalol hydrochloride lacidipine lacosamide lactic acid lactulose lamivudine lamotrigine lanadelumab landiolol hydrochloride lanolin lanolin, anhydrous lanreotide acetate lansoprazole lanthanum carbonate hydrate lapatinib ditosylate monohydrate laronidase larotrectinib sulfate latanoprost lauromacrogol-400 lauromacrogols l-carnitine lebrikizumab ledipasvir ledum palustre tincture leflunomide lemon oil terpeneless lenacapavir sodium lenalidomide lenograstim lenvatinib mesilate lercanidipine hydrochloride letermovir letrozole leucine leuprorelin acetate levetiracetam levobunolol hydrochloride levobupivacaine hydrochloride levocarnitine levocetirizine dihydrochloride levodopa levofloxacin levofloxacin hemihydrate levomenthol levomepromazine hydrochloride levomepromazine maleate levonorgestrel levothyroxine sodium lidocaine lidocaine hydrochloride lidocaine hydrochloride monohydrate light liquid paraffin light magnesium carbonate light magnesium oxide linaclotide linagliptin linezolid liothyronine sodium lipase lipegfilgrastim liquid paraffin liquid paraffin, light liquid sugar demineralised liquorice liquid extract liraglutide lisdexamfetamine dimesylate lisinopril dihydrate lithium carbonate lithium citrate live attenuated rotavirus vaccine lixisenatide lodoxamide trometamol lofepramine hydrochloride lomitapide mesylate lomustine loncastuximab tesirine loperamide loperamide hydrochloride lopinavir loprazolam mesilate loratadine lorazepam lorlatinib lormetazepam losartan potassium loteprednol etabonate lumacaftor lumasiran sodium lumefantrine lurasidone hydrochloride lusutrombopag lutetium (177Lu) oxodotreotide lutetium (177Lu) vipivotide tetraxetan lutropin alfa lymecycline lysine lysine acetate lysine hydrochloride lysine monohydrate