- K+ 10®see Potassium
- K+ 8®see Potassium
- K+ Care®see Potassium
- K+ Care® Effervescent Tabletssee Potassium
- K-Dur® 10see Potassium
- K-Dur® 20see Potassium
- K-Lor®see Potassium
- K-Lyte® DS Effervescent Tabletssee Potassium
- K-Lyte® Effervescent Tabletssee Potassium
- K-Lyte/CL® 50 Effervescent Tabletssee Potassium
- K-Lyte/CL® Effervescent Tabletssee Potassium
- K-Pek II®see Loperamide
- K-Tab® Filmtab®see Potassium
- Kadcyla®see Ado-trastuzumab Emtansine Injection
- Kadian®see Morphine
- Kaletra® (as a combination product containing Lopinavir, Ritonavir)see Lopinavir and Ritonavir
- Kalexate®see Sodium Polystyrene Sulfonate
- Kalydeco®see Ivacaftor
- Kanjinti® (trastuzumab-anns)see Trastuzumab Injection
- Kao-Paverin®see Loperamide
- Kaochlor® 10%see Potassium
- Kaon® Elixirsee Potassium
- Kaon-Cl® 20% Elixirsee Potassium
- Kaon-Cl-10®see Potassium
- Kaopectate®see Bismuth Subsalicylate
- Kaopectate 1-D®see Loperamide
- Kapspargo Sprinkle®see Metoprolol
- Kapvay®see Clonidine
- Kariva® (as a combination product containing Desogestrel, Ethinyl Estradiol)see Estrogen and Progestin (Oral Contraceptives)
- Katerzia®see Amlodipine
- Kay Ciel®see Potassium
- Kayexalate®see Sodium Polystyrene Sulfonate
- Kazano® (as a combination product containing Alogliptin, Metformin)see Alogliptin
- Kazano® (as a combination product containing Alogliptin, Metformin)see Metformin
- KClsee Potassium
- Keflet® Tabletssee Cephalexin
- Keflex®see Cephalexin
- Keftab® Tabletssee Cephalexin
- Kefurox®see Cefuroxime Injection
- Kefzol®see Cefazolin Injection
- Kelnor® (as a combination product containing Ethynodiol, Ethinyl Estradiol)see Estrogen and Progestin (Oral Contraceptives)
- Kemstro®see Baclofen
- Kenacort®see Triamcinolone
- Kenalog® Dental Pastesee Triamcinolone Topical
- Kenalog® Topical see Triamcinolone Topical
- Keoxifenesee Raloxifene
- Kepivance®see Palifermin
- Keppra®see Levetiracetam Injection
- Keppra®see Levetiracetam
- Keppra® XRsee Levetiracetam
- Kerendia®see Finerenone
- Kerlone®see Betaxolol
- Kerydin®see Tavaborole Topical
- Kesimpta®see Ofatumumab Injection (Multiple Sclerosis)
- Ketek®see Telithromycin
- Ketoconazole
- Ketoconazole Topical
- Ketoprofen
- Ketorolac
- Ketorolac Injection
- Ketorolac Nasal Spray
- Ketorolac Ophthalmic
- Ketotifen Ophthalmic
- Ketozole® Creamsee Ketoconazole Topical
- Kevzara®see Sarilumab Injection
- Keytruda®see Pembrolizumab Injection
- Khapzory®see Levoleucovorin Injection
- KIsee Potassium Iodide
- Kids-EEZE®see Guaifenesin
- Kimmtrak®see Tebentafusp injection
- Kineret®see Anakinra
- Kinrix® (as a combination product containing Diphtheria, Tetanus Toxoids, Acellular Pertussis, Polio Vaccine)see Polio Vaccine
- Kinrix® (as a combination product containing Diphtheria, Tetanus Toxoids, Acellular Pertussis, Polio Vaccine)see Diphtheria, Tetanus, and Pertussis (DTaP) Vaccine
- Kionex®see Sodium Polystyrene Sulfonate
- Kisqali®see Ribociclib
- Kisqali® Femera® (as a combination product containing Letrazole and Ribociclib)see Ribociclib
- Kisunla®see Donanemab-azbt injection
- Klisyri®see Tirbanibulin Topical
- Klonopin®see Clonazepam
- Klor-Con® 10see Potassium
- Klor-Con® 8see Potassium
- Klor-Con® Powdersee Potassium
- Klor-Con®/25 Powdersee Potassium
- Klor-Con®/EFsee Potassium
- Klotrix®see Potassium
- Kloxxado®see Naloxone Nasal Spray
- Kolephrin® Caplets® (as a combination product containing Chlorpheniramine Maleate, Acetaminophen, and Pseudoephedrine Hydrochloride)see Chlorpheniramine
- Kolorz®see Fluoride
- Kombiglyze® XR (as a combination product containing Metformin, Saxagliptin)see Saxagliptin
- Kombiglyze® XR (as a combination product containing Metformin, Saxagliptin)see Metformin
- Konsyl®see Psyllium
- Korlym®see Mifepristone (Korlym)
- Korsuva®see Difelikefalin Injection
- Koselugo®see Selumetinib
- Krazati®see Adagrasib
- Krintafel®see Tafenoquine
- Kristalose®see Lactulose
- Kronofed-A® Kronocaps® (as a combination product containing Chlorpheniramine Maleate and Pseudoephedrine Hydrochloride)see Chlorpheniramine
- Kronofed-A-Jr.® Kronocaps® (as a combination product containing Chlorpheniramine Maleate and Pseudoephedrine Hydrochloride)see Chlorpheniramine
- Krystexxa®see Pegloticase Injection
- Kudrox®see Aluminum Hydroxide and Magnesium Hydroxide
- Kuvan®see Sapropterin
- Kwell®see Lindane
- Kybella®see Deoxycholic Acid Injection
- Kyleena®see Levonorgestrel Intrauterine System
- Kymriah®see Tisagenlecleucel Injection
- Kynamro®see Mipomersen Injection
- Kynmobi®see Apomorphine Sublingual
- Kyprolis®see Carfilzomib Injection
- Kytril®see Granisetron