Davis's Drug Guide
- K+10
- K+Care ET
- Kabbikinase
- Kabolin
- Kadcyla
- Kadian
- Kaitlib Fe
- Kalbitor
- Kalcinate
- Kaletra
- Kalexate
- Kalium Durules
- Kalliga
- Kalydeco
- Kanjinti
- kankyo
- kansas snakeroot
- Kantrex
- Kanuma
- kao
- Kaochlor Eff
- Kaon
- Kaon Cl-10
- Kaopectate
- Kaopectate Extra Strength
- Kaopectate Stool Softener
- Kao-Spen
- Kao-Tin
- Kapectolin
- Kapspargo Sprinkle
- Kapvay
- Karacil
- Karbinal ER
- Kariva
- Kayexalate
- Kaylixir
- Kcentra
- KCl
- Keflex
- K-Electrolyte
- Kelnor
- Kemeya
- Kenalog
- Kengreal
- Kenonel
- Kepivance
- Keppra
- Keppra XR
- Kerlone
- Kerydin
- Ketalar
- Ketek
- Ketoderm
- Keveyis
- Kevzara
- kew
- kew tree
- Key Plex
- Keytruda
- K-G Elixir
- Khedezla
- K-Ide
- Kimidess
- Kineret
- Kinlytic
- Kionex
- Kisqali
- Kitabis Pak
- Klamath weed
- Klean-Prep
- K-Long
- KlonoPIN
- Klor-Con
- Klor-Con/EF
- Klor-Con M10
- Klor-Con M15
- Klor-Con M20
- Klorvess
- Klorvess Effervescent Granules
- Klotrix
- K-Lyte
- K-Lyte/Cl
- K-Lyte DS
- knitbone
- Koate-DVI
- Koffex DM
- Kogenate
- Kogenate FS
- Kolyum
- Kondremul
- Kondremul Plain
- Konsyl
- Konsyl Fiber
- Korean ginseng
- Korlym
- K-Phos M.F
- K-Phos Neutral
- K-Phos No. 2
- Kristalose
- Krystexxa
- K-Tab
- Kurvelo
- Kuvan
- K-Vescent
- Kyleena
- Kynamro
- Kyprolis
- Kyra
- Kytril