- K-Phos
- KAPIDEX DR
- Kaletra
- Kariva 28
- Keflex Pulvules
- Kenalog injection
- Kenalog spray
- Keppra
- Keppra Oral Solution
- Keppra XR
- Keralac Gel
- Keralac Lotion
- Keralac ointment
- Kerlone
- Ketek
- Keto-Diastix test strips
- Ketoconazole
- Ketoconazole Cream
- Ketoprofen
- Ketoprofen E
- Ketoprofen SR
- Ketorolac
- Ketorolac eye drops
- Ketotifen
- Ketotifen syrup
- Klaron
- Klonopin
- Kristalose
- Kytril
- Kaopectate suspension Extra strength
- Kolik Gripe Water Alcohol free
