| Requip XL and/or Equivalents | Requip XL, Ropinirole XL | 
| Resolor and/or Equivalents | Resolor, Resotran | 
| Restasis Unit Dose and/or Equivalents | Restasis | 
| RETIN-A CREAM and/or Equivalents | Tretinoin Cream, Retin-A Cream | 
| Retin-A Cream CMPD and/or Equivalents | Tretinoin Cream | 
| Retin-A Gel and/or Equivalents | Tretinoin Gel, Vitamin A Acid Gel, Retin-A Gel | 
| Retin-A Micro Gel Pump and/or Equivalents | Retin-A Micro Gel Pump | 
| Retrovir and/or Equivalents | Retrovir, Zidovudine | 
| Revatio and/or Equivalents | Revatio | 
| Revia and/or Equivalents | Naltrexone, Revia | 
| Revia CMPD and/or Equivalents | Revia | 
| Revolution Blue for Cats 5-15lbs (2.6-7.5kg) and/or Equivalents | Revolution Blue for Cats 5-15lbs, Stronghold Blue for Cats 5-15lbs | 
| Revolution Brown for Small Dogs 10-20lbs (5-10kg) and/or Equivalents | Revolution Brown for Small Dog 10-20lbs, Stronghold Brown for Small Dog 10-20lbs | 
| Revolution Mauve for Puppies and Kittens up to 5lbs (2.5kg) and/or Equivalents | Revolution Mauve for Puppies and Kittens up to 5lbs | 
| Revolution Plum for Extra Large Dogs 85-130 lbs (40-60kg) and/or Equivalents | Revolution Plum for Extra Large Dogs 85-130 lbs | 
| Revolution Purple for Very Small Dogs 5-10lbs (2.6-5kg) and/or Equivalents | Revolution Purple for Dog up to 5-10lbs, Revolution Purple for Dog up to 5lbs | 
| Revolution Red for Medium Dogs 20-40 lbs (10-20kg) and/or Equivalents | Revolution Red for Medium Dog 20-40 lbs | 
| Revolution Teal for Large Dogs 40-90lbs (20-40kg) and/or Equivalents | Revolution Teal for Large Dog 40-90 lbs, Stronghold Teal For Large Dog 40-90 lbs | 
| Rexulti and/or Equivalents | Rexulti | 
| Reyataz and/or Equivalents | Atazanavir, Reyataz | 
| Rheumatrex and/or Equivalents | Methotrexate, Methotrexate Sodium | 
| Rhinocort Aqua and/or Equivalents | Rhinocort Hayfever, Budesonide Aqueous, Budesonide Nasal Spray, Mylan-Budesonide AQ, Rhinocort Aqua, Rhinocort Aqua Nasal Spray | 
| Rhinocort Aqueous and/or Equivalents | Budesonide Aqueous, Budesonide Nasal Spray, Butacort Nasal Spray, Mylan-Budesonide Aqueous | 
| Rhinocort Turbuhaler and/or Equivalents | Rhinocort Turbuhaler | 
| Ridaura and/or Equivalents | Ridaura |