| Penicillin V Potassium and/or Equivalents | Novo-Pen-VK, Penicillin V Potassium | 
| Penicillin VK and/or Equivalents | Penicillin VK | 
| Penlac Nail Lacquer and/or Equivalents | Ciclopirox Nail Lacquer, Penlac Nail Laquer, Taro-Ciclopirox Nail Lacquer | 
| Pennsaid and/or Equivalents | Diclofenac Topical Solution, Pennsaid, Pms-Diclofenac Topical Solution | 
| Pentasa and/or Equivalents | Pentasa | 
| Pentasa Enema and/or Equivalents | Pentasa Enema | 
| Pentasa Prolonged Release Granules and/or Equivalents | Pentasa Prolonged Release Granules, Pentasa Granules | 
| Pentasa Suppository and/or Equivalents | Pentasa Suppository | 
| Pepcid and/or Equivalents | Famotidine, Novo-Famotidine, Pepcid AC Maximum Strength | 
| Percorten-V and/or Equivalents | Percorten-V Injection | 
| Periactin and/or Equivalents | Cyproheptadine, Jamp-Cyproheptadine, Periactin, Pms-Cyproheptadine | 
| Peridex and/or Equivalents | Peridex | 
| Periostat and/or Equivalents | Periostat | 
| Persantin and/or Equivalents | Dipyridamole, Persantin PL, Pytazen SR | 
| Persantine and/or Equivalents | Dipyridamole, Apo-Dipyridamole, Persantin | 
| Persantine Oral Solution and/or Equivalents | Dipyridamole Oral Solution | 
| Persantine Retard and/or Equivalents | Persantin Retard | 
| Phenergan and/or Equivalents | Phenergan, Avomine, Promethazine | 
| Phenergan Injection (10x1ml) and/or Equivalents | Phenergan Injection | 
| Phenoxymethyl Penicillin and/or Equivalents | Phenoxymethyl Penicillin | 
| Phenylbutazone and/or Equivalents | Phenylbutazone | 
| Phenyleprine HCL and/or Equivalents | Minims Phenylephrine HCl Single Dose Eye Drops | 
| Phyllocontin and/or Equivalents | Phyllocontin, Phyllocontin Continus, Phyllocontin Continious | 
| Physiotens and/or Equivalents | Physiotens | 
| Pilopine HS Ophthalmic Gel and/or Equivalents | Pilopine HS Ophthalmic Gel |