| Prevident 5000 Toothpaste and/or Equivalents | Duraphat 5000 Fluoride Toothpaste | 
| Prevident Boost Gel 1% and/or Equivalents | Prevident Boost Gel 1% Spearmint | 
| Prevpac and/or Equivalents | HP-Pac, HP-Pac 7 Days | 
| Prezcobix and/or Equivalents | Prezcobix | 
| Prezista and/or Equivalents | Prezista, Prezista F/C, Prezista F/C | 
| Priadel and/or Equivalents | Priadel CR | 
| Priadel Liquid and/or Equivalents | Priadel Liquid | 
| Priligy and/or Equivalents | Priligy | 
| Prilosec and/or Equivalents | Losec, Omeprazole, Apo-Omeprazole, Mylan-Omeprazole | 
| Primacor Injection and/or Equivalents | Primacor Injection Ampoules | 
| Primaquine and/or Equivalents | Primaquine | 
| Primaxin IV and/or Equivalents | Imipenem Cilastatin Vial USP, Imipenem Cilastin, Imipenem Cilastin USP | 
| Principen and/or Equivalents | Ampicillin, Novo-Ampicillin, Penbritin | 
| Pristiq and/or Equivalents | Pristiq | 
| Pro-Banthine and/or Equivalents | Pro-Banthine | 
| ProAir HFA and/or Equivalents | Airomir | 
| Proamatine and/or Equivalents | Gutron, Midodrine, Bramox | 
| Probaclac Adult Extra Forte and/or Equivalents | Probaclac Adult Extra Forte | 
| Probiotic and/or Equivalents | Probiotic 10 Billion, Probiotic 30 Billion | 
| Procardia XL and/or Equivalents | Adalat LA, Adalat Oros, Adalat XL, Adefin XL Modified Release, Mylan-Nifedipine Extended Release, Nifedipine XR, Nifedipine MR, Nifedipine XL | 
| Proctofoam-HC and/or Equivalents | Proctofoam-HC | 
| Proctosedyl Ointment and/or Equivalents | Dibucaine/Esculin/Framycetin/Hydrocortisone Ointment, Proctol | 
| Proctosedyl Suppository and/or Equivalents | Proctol Suppository | 
| Prodiem Overnight Relief Therapy and/or Equivalents | Prodiem Overnight Relief Therapy | 
| Proferrin Tablets and/or Equivalents | Proferrin Tablets |