- Cladribine
- Claforan
- Claravis
- Clarifoam
- Clarifoam Clear
- Clarifoam Fast
- Clarifoam Pure
- Clarine
- Clarinex
- Clarinex-D
- Clario
- Claripel
- Claris
- Clarithromycin
- Claritin
- Claritin Eye
- Claritin-D
- Clarus
- Clascoterone
- Clavamox
- Clean & Clear Advantage Acne Cleanser
- Clean & Smooth
- Clean and Clear
- Clean and Clear Advantage
- Clean and Clear Advantage Acne
- Clean and Clear Advantage Acne Control Moisturizer
- Clean and Clear Advantage Breakout Erasing Cleanser
- Clean and Clear Advantage Mark Erasing Spot Treatment
- Clean and Clear Advantage Mark Treatment
- Clean and Clear Advantage Oil Absorbing Cleanser
- Clean and Clear Advantage Popped Pimple Relief
- Clean and Clear Blackhead Eraser
- Clean and Clear Deep Cleaning
- Clean and Clear Sensitive Skin
- Clean Force
- Clean Force Antibacterial
- Clean Force Hand Sanitizer
- Cleanoz Saline
- Clear Away
- Clear By Design
- Clear Days Ahead
- Clear Defense
- Clear Eyes
- Clear Eyes + Redness Relief
- Clear Eyes ACR
- Clear Eyes Complete
- Clear Eyes Cooling Comfort
- Clear Eyes Cooling Comfort Redness Relief
- Clear Eyes Redness Relief Reformulated Nov 2011
- Clear Eyes Tears
- Clear Eyes Tears and Itchy Eye Relief
- Clear Eyes Tears Plus Redness Relief
- Clear Eyes Travelers Eye Relief
- Clear Eyes Triple Action Relief
- Clear Men Scalp Therapy
- Clear-Atadine
- Clear-Atadine-D
- Clearasil
- Clearasil Acne Control
- Clearasil Daily Clear Adult
- Clearasil Daily Clear Hydrating Lotion
- Clearasil Daily Clear Refreshing
- Clearasil Toner
- Clearly It!
- Clearplex
- Clearskin
- Clearskin Blemish
- Clearskin Pore
- Clearskin Pore Penetrating Black Mineral Mask
- Clearskin Professional Daily Correcting
- Cleartuss DH
- Clebopride
- Cleeravue-M
- Clefamide
- Clemastine
- Clemastine, Combinations
- Clenbuterol
- Clenia
- Clenpiq
- Clenz-Lyte
- Clenziderm
- Clenziderm Lotion
- Clenziderm Moisturizer
- Cleocin
- Cleocin T
- Clevidipine
- Cleviprex
- Clevudine
- Clidinium And Psycholeptics
- Climara
- Climara Pro
- Climaval
- Clinacort
- Clinagen LA 40
- Clinalog
- Clinda-Derm
- Clindacin
- ClindaCure
- Clindagel
- Clindamax
- Clindamycin
- Clindamycin & Benzoyl Peroxide
- Clindamycin, Combinations
- ClindaReach
- Clindesse
- Clindets
- Clindex
- Clinidine
- Clinimix 2.75/5
- Clinimix 4.25/10
- Clinimix 4.25/20
- Clinimix 4.25/25
- Clinimix 4.25/5
- Clinimix 5/15
- Clinimix 5/20
- Clinimix 5/25
- Clinimix E 2.75/10
- Clinimix E 2.75/5
- Clinimix E 4.25/10
- Clinimix E 4.25/25
- Clinimix E 4.25/5
- Clinimix E 5/15
- Clinimix E 5/20
- Clinimix E 5/25
- Clinimix E 5/35
- Clinisol 15
- Clinistat
- Clinoril
- Clinpro 5000
- Clinpro Tooth Creme
- Clinsol
- Clintabs
- Clioquinol
- Clioquinol, Combinations
- Clobazam
- Clobenzorex
- Clobetasol
- Clobetasol And Antibiotics
- Clobetasone
- Clobetasone And Antiinfectives
- Clobevate
- Clobex
- Clobutinol
- Clocortolone
- Clodantoin
- Cloderm
- Clodronic Acid
- Clofarabine
- Clofazimine
- Clofedanol
- Clofenamide
- Clofenamide And Potassium
- Clofenotane
- Clofenotane, Combinations
- Clofera
- Clofezone
- Clofibrate
- Clofibride
- Clofoctol
- Clolar
- Clomethiazole
- Clomethiazole, Combinations
- Clometocillin
- Clomicalm
- Clomid
- Clomiphene
- Clomipramine
- Clomocycline
- Clonazepam
- Clonidine
- Clonidine And Diuretics
- Clonidine And Diuretics, Combinations With Other Drugs
- Clopamide
- Clopamide And Potassium
- Clopenthixol
- Cloperastine
- Clopidogrel
- Cloprednol
- Cloranolol
- Clorazepate
- Clorexolone
- Clorexolone, Combinations With Psycholeptics
- Clorfed
- Cloricromen
- Cloridarol
- Clorindione
- Clorpres
- Close Up
- Clotiapine
- Clotiazepam
- Clotrimazoil
- Clotrimazole
- Clotrimazole-7
- Cloxacillin
- Cloxapen
- Cloxazolam
- Clozapine
- Clozaril