- Prostaphlin
- Prostigmin
- Prostin E 2
- Prostin F 2
- Prostin VR
- Prostin VR Pediatric
- Prostin/15M
- Protain XL
- Prothazine
- Prothazine Plain
- Protid containing Chlorpheniramine Maleate, Acetaminophen, and Phenylephrine Hydrochloride
- Protilase
- Protirelin
- Protonix
- Protopam Chloride
- Protopic
- Protostat
- Protriptyline
- Protropin
- Protuss-D
- Proventil
- Proventil HFA
- Proventil Repetabs
- Provera
- Provera Pak
- Provigil
- Prozac
- Prozac Weekly
- Prussian Blue
- Pseudo 60's
- Pseudo-Car DM
- Pseudo-Chlor
- Pseudoephedrine
- Pseudoephedrine and Triprolidine
| - Psorcon
- Psorcon E
- PsoriNail Topical Solution
- Psorigel
- Psyllium
- Pulmicort
- Pulmicort Nebuamp
- Pulmicort Respules
- Pulmicort Turbuhaler
- Pulmocare
- Pulmophylline
- Pulmozyme
- Pure Baking Soda
- Purge
- Purinethol
- Purinol
- Pyopen
- Pyrantel
- Pyrazinamide
- Pyregesic-C
- Pyrethrin and Piperonyl Butoxide
- Pyrethrins and Piperonyl Butoxide
- Pyri
- Pyridiate
- Pyridium
- Pyridium Plus containing Phenazopyridine Hydrochloride, Butabarbital, and Hyoscyamine Hydrobromide
- Pyridostigmine
- Pyridoxine
- Pyrimethamine
- Pyrinyl
- Pyrithione
- Pyrvinium
- pms Propranolol
| - pms-Amiodarone
- pms-Pyrazinamide
- pms-Valproic Acid
- pms-Valproic Acid E.C.
- proctoFoam-HC containing Hydrocortisone Acetate and Pramoxine Hydrochloride
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