- Lodine XL
- Lodoxamide
- Lodoxamide Ophthalmic
- Lodrane LD
- Lodrane LD containing Brompheniramine Maleate and Pseudoephedrine Hydrochloride
- Lodrane Liquid
- Lodrane containing Brompheniramine Maleate and Pseudoephedrine Hydrochloride
- Loestrin 1.5/30
- Loestrin 1/20
- Loestrin Fe 1.5/30
- Loestrin Fe 1/20
- Lofene
- Lofibra
- Logen
- Lomefloxacin
- Lomenate
- Lomocot
- Lomotil
- Lomustine
- Lonide
- Loniten
- Lonox
- Loperacap
- Loperamide
- Lopid
- Lopinavir and Ritonavir
- Lopresor
- Lopresor SR
- Lopressor
- Lopressor HCT
- Loprox
- Lorabid
- Loracarbef
- Loratadine
| - Lorazepam
- Lorazepam Intensol
- Lorcet 10/650
- Lorcet 10/650 containing Acetaminophen and Hydrocodone Bitartrate
- Lorcet Plus
- Lorcet Plus containing Acetaminophen and Hydrocodone Bitartrate
- Lorcet-HD
- Lorcet-HD containing Acetaminophen and Hydrocodone Bitartrate
- Lorelco
- Loroxide 5 Lotion
- Loroxide 5.5 Lotion
- Lortab
- Lortab 10/500
- Lortab 2.5/500
- Lortab 2.5/500 containing Acetaminophen and Hydrocodone Bitartrate
- Lortab 5/500
- Lortab 5/500 containing Acetaminophen and Hydrocodone Bitartrate
- Lortab 7.5/500
- Lortab 7.5/500 containing Acetaminophen and Hydrocodone Bitartrate
- Lortab ASA
- Lortab Elixir containing Acetaminophen and Hydrocodone Bitartrate
- Lortab10/500 containing Acetaminophen and Hydrocodone Bitartrate
- Losartan
- Losartan and Hydrochlorothiazide
- Losec
- Losopan
- Losopan Plus
- Lotemax
- Lotensin
- Lotensin HCT
- Lotensin HCT containing Benazepril Hydrochloride and Hydrochlorothiazide
- Lotensin HCT containing Hydrochlorothiazide and Benazepril Hydrochloride
- Loteprednol
| - Loteprednol and Tobramycin
- Lotio Alsulfa
- Lotrel
- Lotrel containing Benazepril Hydrochloride and Amlodipine Besylate
- Lotriderm
- Lotrimin AF Cream
- Lotrimin AF Lotion
- Lotrimin AF Solution
- Lotrimin Cream
- Lotrimin Lotion
- Lotrimin Solution
- Lotrisone
- Lotrisone containing Betamethasone Dipropionate and Clotrimazole
- Lotrisone containing Clotrimazole and Betamethasone Dipropionate
- Lotronex
- Lovastatin
- Lovenox
- Lovenox Injection (Home Infusion)
- Low-Quel
- Lowsium Plus
- Loxapac
- Loxapine
- Loxapine Oral
- Loxitane
- Loxitane C
- Loxitane IM
- Lozide
- Lozol
- Ludiomil
- Lufyllin
- Lufyllin-400
- Lumigan
- Luminal
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