| Cardizem LA and/or Equivalents | Tiazac XC | 
| Cardizem SR and/or Equivalents | Dilzem SR, Tildiem, Diltiazem MR, Tildiem Retard, Diltiazem SR | 
| Cardura and/or Equivalents | Cardura, Doxazosin, Teva-Doxazosin, Apo-Doxazosin, Novo-Doxazosin | 
| Cardura XL and/or Equivalents | Cardura XL, Doxazosin XL | 
| Carnitor and/or Equivalents | Carnitor | 
| Carnitor Oral Solution and/or Equivalents | Carnitor Oral Solution | 
| Casodex and/or Equivalents | Bicalutamide, Casodex, Co Bicalutamide, Cosudex | 
| Cataflam and/or Equivalents | Diclofenac Potassium, Sdz-Diclofenac Potassium, Voltaren Rapide | 
| Catapres and/or Equivalents | Catapres, Clonidine, Teva-Clonidine | 
| Catapres TTS and/or Equivalents | Clonidine Transdermal Patch | 
| Caverject Impulse and/or Equivalents | Caverject Dual Chamber, Caverject Impulse | 
| Caverject Vial and/or Equivalents | Caverject Vial | 
| Caverject Vial Kit and/or Equivalents | Caverject Kit, Caverject Vial Kit | 
| Ceclor and/or Equivalents | Ceclor, Cefaclor | 
| Ceclor CD and/or Equivalents | Distaclor MR | 
| CeeNU and/or Equivalents | CeeNU | 
| Ceftin and/or Equivalents | Apo-Cefuroxime, Ceftin, Cefuroxime, Zinnat | 
| Cefzil and/or Equivalents | Cefprozil, Cefzil, Sdz-Cefprozil | 
| Celebrex and/or Equivalents | Act-Celecoxib, Celebrex, Celecoxib, Celecoxib - Pfizer, SDZ-Celecoxib, JAMP-Celecoxib, Mylan-Celecoxib | 
| Celectol and/or Equivalents | Celectol | 
| Celestoderm Cream and/or Equivalents | Betaderm Cream, Celestoderm V/2 Cream, Ectosone Mild | 
| Celestoderm Ointment and/or Equivalents | Betaderm Ointment, Celestoderm V/2 Ointment, Celestoderm V Ointment | 
| Celestoderm V Cream and/or Equivalents | Betaderm Cream, Celestoderm V Cream | 
| Celestone and/or Equivalents | Celestone | 
| Celexa and/or Equivalents | Citalopram, Teva Citalopram, Act-Citalopram, Apo-Citalopram, Celapram, Celepram, Celexa, Cipramil |