| Propecia and/or Equivalents | Finasteride, Propecia | 
| Propyl-Thyracil and/or Equivalents | Propyl-Thyracil | 
| Proscar and/or Equivalents | Act-Finasteride, Finasteride, Proscar | 
| Prostigmin and/or Equivalents | Neostigmine Bromide | 
| Protelos and/or Equivalents | Protelos | 
| Prothiaden and/or Equivalents | Dopress, Dosulepin, Prothiaden | 
| Protonix and/or Equivalents | Pantoloc, Pantoprazole, Salpraz, Somac, Mylan-Pantoprazole, Sdz-Pantoprazole | 
| Protopic Ointment and/or Equivalents | Protopic Ointment | 
| Provera and/or Equivalents | Medroxyprogesterone, Provera, Teva-Medroxyprogesterone, Apo-Medroxy | 
| Prozac and/or Equivalents | Fluoxetine, Mylan-Fluoxetine, Prozac | 
| Prozac Dispersable and/or Equivalents | Prozac Dispersable | 
| Prozac Liquid and/or Equivalents | Fluoxetine Oral Solution, Prozac Liquid | 
| Pulmicort Nebules and/or Equivalents | Pulmicort Nebules, Budesonide Nebules, Pulmicort Respules | 
| Pulmicort Turbuhaler and/or Equivalents | Pulmicort Turbuhaler | 
| Purinethol and/or Equivalents | Purinethol | 
| Pyrazinamide and/or Equivalents | Pms-Pyrazinamide, Pyrazinamide |