| Cleansemore and/or Equivalents | Cleansemore | 
| Cleansesmart Kit and/or Equivalents | Cleanse smart Kit, Cleansesmart Kit | 
| Clearblue Easy Digital Pregnancy Test and/or Equivalents | Clearblue Easy Digital Pregnancy Test | 
| Clearblue Easy Ovulation Test Kit and/or Equivalents | Clearblue Easy Ovulation Test Kit | 
| Cleocin and/or Equivalents | Clindamycin, Dalacin C, Novo-Clindamycin, Teva-Clindamycin, Auro-Clindamycin, Mylan-Clindamycin | 
| Cleocin Gel and/or Equivalents | Zindaclin Gel | 
| Cleocin Injection and/or Equivalents | Clindamycin Injection | 
| Cleocin T Lotion and/or Equivalents | Dalacin T Acne Lotion | 
| Cleocin Topical Solution and/or Equivalents | Cleocin Topical Solution, Clindamycin Topical Solution, Dalacin T Solution, Dalacin Topical Solution, Taro-Clindamycin Topical Solution | 
| Cleocin Vaginal Cream and/or Equivalents | Dalacin Cream, Dalacin Vaginal Cream | 
| Climara Patch and/or Equivalents | Climara 25, Climara Patch, Climara 50, Progynova TS 50, Climara 75, Climara, Progynova TS 100 | 
| Climara Pro Patch and/or Equivalents | Climara Pro, Climara Pro Patch | 
| Clindets and/or Equivalents | Clindets | 
| Clinomyn Smokers toothpaste and/or Equivalents | Clinomyn Smokers toothpaste | 
| Clinoril and/or Equivalents | Aclin, Sulindac, Novo-Sundac, Teva-Sundac | 
| Clinpro and/or Equivalents | Clinpro 5000 Toothpaste | 
| Clobex Shampoo and/or Equivalents | Clobex Shampoo | 
| Clobex Spray and/or Equivalents | Clobex Spray | 
| Clomid and/or Equivalents | Clomid, Clomifene, Serophene | 
| Clopixol and/or Equivalents | Clopixol | 
| Clopixol Acuphase and/or Equivalents | Clopixol-Acuphase | 
| Clopixol Depot and/or Equivalents | Clopixol Depot | 
| Clotrimaderm Vaginal Cream and/or Equivalents | Clotrimaderm Vaginal Cream, Clotrimazole Vaginal Cream w/applicator | 
| Cloxacillin Sodium Injection and/or Equivalents | Cloxacillin Sodium Injection | 
| Coaguchek XS PT Test Strips and/or Equivalents | Coaguchek XS PT Test Strips |