- Kebuzone
- Keep Alert
- Keepan
- Keflex
- Keflin
- Keftab
- Kefurox
- Kefzol
- Kelnor
- Kemadrin
- Kemstro
- Kenalog
- Kengreal
- Kepivance
- Keppra
- Keppra XR
- Kera-HC
- Kerafoam
- Keralac
- Keralyt
- Kerasal
- Keratol
- Keratol 40
- Keratol HC
- Kerlone
- Kerol
- Kerydin
- Kesimpta
- Kestrone 5
- Ketacine
- Ketaject
- Ketalar
- Ketamine
- Ketanserin
- Ketaset
- Ketathesia
- Ketaved
- Ketazolam
- Ketek
- Ketobemidone
- Ketobemidone And Antispasmodics
- Ketoconazole
- Ketodan
- Ketoprofen
- Ketoprofen, Combinations
- Ketorolac
- Ketotifen
- Kevzara
- Key-Pred
- Key-Pred SP
- Keystone
- Keystone Classic