| Antizol Vials (4X1.5ML) and/or Equivalents | Antizol Vials | 
| Anturan and/or Equivalents | Sulfinpyrazone | 
| Anugesic HC and/or Equivalents | Anugesic HC, Anuzinc HC Plus | 
| Anugesic HC Suppositories and/or Equivalents | Anugesic HC Suppositories, Anuzinc HC Plus Suppositories, Proctodan-HC | 
| Anusol-HC and/or Equivalents | Anusol HC Ointment, Hemcort HC, Ratio-Hemcort-HC, Anusol-HC Suppositories | 
| Apresoline and/or Equivalents | Hydralazine | 
| Aptiom and/or Equivalents | Aptiom | 
| Aptivus and/or Equivalents | Aptivus | 
| Aralen and/or Equivalents | Avloclor, Chloroquine Phosphate, Teva-Chloroquine Phosphate | 
| Arava and/or Equivalents | Arava, Leflunomide, Sandoz-Leflunomide, Teva-Leflunomide | 
| Arcoxia and/or Equivalents | Arcoxia, Etoricoxib | 
| Aredia and/or Equivalents | Pamidronate, Pamisol, Aredia | 
| Aricept and/or Equivalents | Apo-Donepezil, Arazil, Aricept, Co-Donepezil, Donepezil, sdz-Donepezil, Act-Donepezil, Sandoz-Donepezil, Van-Donepezil,  Arazil | 
| Aricept ODT and/or Equivalents | Aricept RDT, Co-Donepezil ODT, Donepezil ODT, Act-Donepezil ODT, Donepezil Dispersible | 
| Arimidex and/or Equivalents | Anastrozole, Arianna, Arimidex | 
| Aristocort C Cream and/or Equivalents | Aristocort C | 
| Aristocort Cream and/or Equivalents | Aristocort Cream, Aristocort R Cream, Triaderm Cream | 
| Aristocort Ointment and/or Equivalents | Aristocort Ointment | 
| Aristocort R Ointment and/or Equivalents | Aristcort R Ointment | 
| Arixtra and/or Equivalents | Arixtra | 
| Arlidin and/or Equivalents | Arlidin | 
| Arnuity Ellipta and/or Equivalents | Arnuity Ellipta | 
| Aromasin and/or Equivalents | Aromasin, Co-Exemestane, Exemestane, Teva-Exemestane | 
| Artane and/or Equivalents | Trihexyphenidyl | 
| Arthrotec and/or Equivalents | Arthrotec, Diclo-Miso EC, Diclofenac/Misoprostol |