- Pilopine HS
- Piloptic-1
- Piloptic-2
- Piloptic-3
- Piloptic-4
- Piloptic-6
- Piloptic-½
- Pilostat
- Pima
- Pimecrolimus
- Pimecrolimus Topical
- Pimozide
- Pin-Rid
- Pin-X
- Pindolol
- Pioglitazone
- Piperacillin Sodium Injection
- Piperacillin Sodium and Tazobactam Sodium Injection
- Piperazine
- Piportil L 4
- Pipracil
- Pirbuterol Acetate Oral Inhalation
- Piroxicam
- Pitocin
- Pitressin
- Pitrex Cream
- Placidyl
- Plan B
- Plaquenil
- Platinol
- Platinol-AQ
- Plavix
- Plegine
- Plenaxis
| - Plendil
- Pletal
- Plicamycin
- Pneumococcal Conjugate Vaccine
- Pneumococcal Vaccine Polyvalent
- Pneumomist
- Pneumopent
- Pneumotussin HC
- Pneumovax 23
- Pnu-Imune 23
- Podocon-25
- Podofilox
- Podofin
- Podophyllum
- Polaramine
- Polaramine Expectorant containing Dexchlorpheniramine Maleate, Guaifenesin, and Pseudoephedrine Sulfate
- Polaramine Repetabs
- Poliovirus Vaccine
- Poliovirus Vaccine Live Oral
- Polocaine
- Polocaine-MPF
- Poly Hist Forte
- Poly-Histine
- Poly-Vi-Flor
- Polycillin
- Polycillin-N
- Polycitra Syrup
- Polycitra-K
- Polycitra-K Crystals
- Polycitra-LC
- Polycose
- Polyethylene Glycol 3350
- Polyethylene Glycol and Electrolytes
| - Polyethylene glycol-electrolyte solution
- Polygam S/D
- Polygesic
- Polymox
- Pond's Daily Replenishing Moisturizer
- Pondocillin
- Ponstan
- Ponstel
- Pontocaine
- Pontocaine Cream †
- Pontocaine Ointment
- Porfimer
- Postacne
- Posture
- Potaba
- Potaba Envules
- Potaba Powder
- Potasalan
- Potassium
- Potassium Iodide
- Potassium Supplements
- Potassium-Rougier
- Potassium-Sandoz
- Pralidoxime
- Pramegel
- Pramipexole
- Pramlintide Injection
- Pramosone containing Hydrocortisone Acetate and Pramoxine Hydrochloride
- Pramoxine
- Prandase
- Prandin
- Pravachol
- Pravastatin
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