Prime
- Pacerone
- Pacific Valerian
- paclitaxel
- Pain Doctor
- Pain-X
- Pain-X Topical
- Palafer
- palivizumab
- Palmier Nain
- palonosetron
- Pamelor
- pamidronate
- Pamprin
- Panacet
- Panadol
- Panasal
- Panasol-S
- Pancoate
- Pancrease
- pancrelipase
- pancuronium
- Pandel
- Panglobulin
- Panmycin
- Panretin
- pantoprazole
- papaverine
- paracetamol
- Paraflex
- Parafon Forte DSC
- Paraplatin
- paregoric
- Parepectolin
- paricalcitol
- Parlodel
- Parnate
- paroxetine
- Pathocil
- Pavabid
- Pavagen TD
- Paveral
- Pavulon
- Paxil
- Paxil CR
- PCE
- Pediacare
- PediaCare Allergy Formula
- PediaCare Children's Fever
- Pediaflor
- Pedi-Dent
- pegaspargase
- Pegasys
- pegfilgrastim
- peginterferon alfa-2a
- PEG-l-asparaginase
- Peglyte
- pegvisomant
- PemADD
- pemoline
- Penbritin
- penbutolol
- penciclovir
- Penecort
- Penetrex
- penicillamine
- penicillin g
- penicillins
- penicillins, penicillinase resistant
- penicillin v
- Penlac
- Pentacarinat
- Pentam 300
- pentamidine
- Pentasa
- Pentazine
- pentazocine
- pentobarbital
- pentostatin
- pentoxifylline
- Pepcid
- Pepto-Bismol
- Pepto Diarrhea Control
- Peptol
- Percocet
- Percodan
- Percogesic
- Perdiem
- Perdiem Granules
- pergolide
- Pergonal
- Periactin
- Peri-Colace
- Peridol
- perindopril
- Periostat
- Permapen
- Permax
- permethrin
- Permitil
- perphenazine
- Persantine
- Persantine IV
- Pertofrane
- Pertussin
- pethidine
- Peucedanum graveolens
- Pfizerpen
- Pharma-Cort
- Pharmaflur
- Phazyme
- Phenazine
- Phenazo
- phenazopyridine
- Phencen-50
- phenelzine
- Phenerbel-S
- Phenergan
- Phenergan with codeine Syrup
- Phenerzine
- Phenetron
- phenobarbital
- Phenoject
- Phentercot
- phentermine
- phentolamine
- Phentride
- phenylalanine mustard
- phenylephrine
- Phenytek
- phenytoin
- phenytoin/fosphenytoin
- Phillips Milk of Magnesia
- Phos-Flur
- PhosLo
- phosphate/biphosphate
- Photofrin
- Phrenilin
- Phrenilin Forte
- Phyllocontin
- physostigmine
- Phytoestrogen
- phytonadione
- pilocarpine
- Pima
- pimecrolimus
- pimozide
- pindolol
- Pink Bismuth
- pioglitazone
- pipecuronium
- piperacillin
- piperacillin/tazobactam
- piperazine estrone sulfate
- Pipracil
- pirbuterol
- piroxicam
- Pitocin
- Pitressin
- Pitrez
- Plan B
- Plaquenil
- Plasbumin
- Plasmanate
- Plasma-Plex
- plasma protein fraction
- Plasmatein
- Platinol
- Platinol-AQ
- Plavix
- Plendil
- Pletal
- plicamycin
- PMS-Bismuth Subsalicylate
- PMS Egozinc
- PMS Ferrous Sulfate
- PMS-Piroxicam
- PMS-Primidone
- pms Propranolol
- PMS Thioridazine
- PMS-Trifluoperazine
- PMS-Trihexyphenidyl
- Pneumomist
- Pneumopent
- Point Two
- Polaramine Expectorant Liquid
- polycarbophil
- Polycillin
- Polycitra Syrup
- polyethylene glycol
- polyethylene glycol/electrolyte
- Polygam S/D
- Poly-Histine Elixir
- Polysporin
- Pontocaine
- porfimer
- Portalac
- Portia
- Posture
- Potasalan
- potassium acetate
- potassium and sodium phosphates
- potassium bicarbonate
- potassium chloride
- potassium gluconate
- potassium iodide
- potassium phosphate
- pralidoxime
- pramipexole
- pramoxine
- Prandin
- Pravachol
- pravastatin
- prazosin
- Precedex
- Precose
- Predacort
- Predate
- Pred-Ject
- prednicarbate
- Prednicen-M
- Prednicot
- Prednisol
- prednisolone
- prednisone
- Pred-Pak
- Prelone
- Premarin
- Premphase
- Prempro
- Premsyn PMS
- Prepidil Endocervical Gel
- Pressyn
- Prevacid
- Prevalite
- Preven
- Prevex
- Prevex HC
- Prevident
- Prevpac
- Priftin
- Prilosec
- Primabalt
- Primacor
- Primatene
- Primaxin
- Primethasone
- primidone
- Primsol
- Principen
- Prinivil
- Prinzide
- Pro-50
- Probalan
- Probanthel
- Pro-Banthine
- Proben-C
- probenecid
- procainamide
- procaine penicillin g
- Procanbid
- procarbazine
- Procardia
- Prochieve
- prochlorperazine
- Procrit
- Proctocort
- Proctofoam-HC Aerosol Foam
- Procytox
- Pro-Depo
- Prodiem
- Prodium
- Prodrox
- Profilnine SD
- progesterone
- progestin-only oral contraceptives
- Proglycem
- Prograf
- progressive estrogen oral contraceptives
- Prolastin
- Pro-Lax
- Proleukin
- Prolixin
- Proloprim
- Promacot
- Pro-Med
- Promet
- promethazine
- Prometrium
- Promine
- Pronestyl
- Pronestyl-SR
- Propacet
- Propacet 100
- propafenone
- propantheline
- Propecia
- Proplex T
- propofol
- propoxyphene
- propoxyphene napsylate
- propranolol
- propylthiouracil
- Propyl-Thyracil
- Prorex
- Proscar
- ProSom
- Pro-Span
- Prostacyclin
- Prostaglandin E1
- Prostaglandin I2 (PGI2)
- Prostaglandin X (PGX)
- Prostigmin
- Prostin/15M
- Prostin E Vaginal Suppository
- Prostin VR
- Prostin VR Pediatric
- protamine sulfate
- Protenate
- Prothazine
- Protilase
- Protonix
- Protopam
- Protopic
- Protostat
- Protropin
- Proventil
- Provera
- Provigil
- Prozac
- Pseudo-Chlor
- pseudoephedrine
- Pseudo-Gest Plus
- Psorcon
- psyllium
- PTU
- Pulmicort
- Pulmozyme
- Purinethol
- Purinol
- purple coneflower
- P-V-Tussin
- Pyopen
- pyrazinamide
- Pyrethrum parthenium
- Pyri
- Pyridiate
- Pyridium
- Pyridium Plus
- pyridostigmine
- pyridoxine
- pyrimethamine