- Kidrolase
- Kindercal
- Kineret
- Kinesed
- Kinevac
- Klean-Prep
- Klonopin
- Klor-Con 10
- Klor-Con 8
- Klor-Con Powder
- Klor-Con/25 Powder
- Klor-Con/EF
- Klorvess
- Klorvess 10% Liquid
- Klorvess Effervescent Granules
- Klotrix
- Koate-HP
- Koffex DM
- Kogenate
- Kogenate FS
- Kolephrin Caplets
- Kolephrin Caplets containing Chlorpheniramine Maleate, Acetaminophen, and Pseudoephedrine Hydrochloride
- Kolephrin GG/DM
- Kolephrin/DM Cough and Cold Medication
- Kolyum
- Kondremul
- Kondremul Plain
- Konsyl
- Konsyl Easy Mix
- Konsyl-D
- Konsyl-Orange
- Konsyl-Orange Sugar Free
- Konyne 80
- Koromex Cream
| - Koromex Crystal Clear Gel
- Koromex Foam
- Koromex Jelly
- Kronofed-A Jr. Kronocaps
- Kronofed-A Kronocaps
- Kronofed-A Kronocaps containing Chlorpheniramine Maleate and Pseudoephedrine Hydrochloride
- Kronofed-A-Jr. Kronocaps containing Chlorpheniramine Maleate and Pseudoephedrine Hydrochloride
- Ku-Zyme HP
- Kudrox Double Strength
- Kwelcof Liquid
- Kwell
- Kytril
|