See Drug Interventions by First Letter (P)
- Paclitaxel
- Palivizumab
- Palmidrol
- Palmitic Acid
- Palonosetron
- Pamidronate
- Pancreatic Polypeptide
- Pancreatin
- Pancrelipase
- Pantoprazole
- Pantothenic Acid
- Papain
- Papaverine
- Papaya
- Paraldehyde
- Parasympatholytics
- Parecoxib
- Paromomycin
- Paroxetine
- Parsley
- Parthenolide
- Passionflower
- Pectin
- Pegaspargase
- Peginterferon alfa-2a
- Peginterferon alfa-2b
- Pemetrexed
- Pemoline
- Penciclovir
- Penclomedine
- Penicillamine
- Penicillanic Acid
- Penicillin G
- Penicillin G Benzathine
- Penicillin G Procaine
- Penicillin V
- PENTA
- Pentamidine
- Pentazocine
- Pentetic Acid
- Pentobarbital
- Pentosan Sulfuric Polyester
- Pentostatin
- Pentoxifylline
- Peoniflorin
- Peppermint
- Peppermint oil
- Pepsin A
- Performance-Enhancing Substances
- Pergolide
- Perhexiline
- Perilla alcohol
- Perillyl Alcohol
- Perindopril
- Peripheral Nervous System Agents
- Permethrin
- Permixon
- Perphenazine
- Petrolatum
- Phenelzine
- Phenethyl isothiocyanate
- Phenethylisothiocyanate
- Phenindione
- Pheniramine
- Phenobarbital
- Phenol
- Phenoxybenzamine
- Phenprocoumon
- Phentermine
- Phentolamine
- Phenylacetic acid
- Phenylalanine
- Phenylephrine
- Phenylethyl Alcohol
- Phenylmethylpyrazolone
- Phenylpropanolamine
- Phenytoin
- Phosphocreatine
- Phosphodiesterase 3 Inhibitors
- Phosphodiesterase 4 Inhibitors
- Phosphodiesterase 5 Inhibitors
- Phosphodiesterase Inhibitors
- Phosphonoacetic Acid
- Phosphoramide Mustards
- Phosphoramidic acid
- Photosensitizing Agents
- Phthalocyanine
- Phylloquinone
- Physostigmine
- Phytoestrogens
- Phytosterol
- Picibanil
- Picolinic acid
- Picosulfate sodium
- Pilocarpine
- Pimagedine
- Pimecrolimus
- Pimonidazole
- Pimozide
- Pinaverium
- Pindolol
- Pioglitazone
- Pipamperone
- Pipecuronium
- Piperacillin
- Piperacillin-tazobactam combination product
- Piperaquine
- Piperazine
- Piperazine citrate
- Piracetam
- Pirarubicin
- Pirenzepine
- Pirfenidone
- Piribedil
- Pirinitramide
- Piritrexim
- Piroxicam
- Pitavastatin
- Pituitary Adenylate Cyclase-Activating Polypeptide
- Pixantrone
- PK 11195
- Plantain
- Plasma Substitutes
- Plasminogen
- Plasminogen Activator Inhibitor 1
- Plasminogen Inactivators
- Platelet Aggregation Inhibitors
- Platelet Factor 4
- Platelet-derived growth factor BB
- Pleconaril
- Plicamycin
- Podophyllotoxin
- Poke
- Policosanol
- Polidocanol
- Poly I-C
- Poly ICLC
- Poly(maleic acid-styrene)neocarzinostatin
- Polyene phosphatidylcholine
- Polyestradiol phosphate
- Polygeline
- Polyhexamethylene biguanide
- Polymethyl Methacrylate
- Polymyxin B
- Polymyxins
- Polyvinyl alcohol formaldehyde foam
- Pomegranate
- Poractant alfa
- Porfiromycin
- Posaconazole
- Potassium Channel Blockers
- Potassium Citrate
- Potassium iodate
- Potassium phosphate
- Potassium Supplement
- Povidone
- Povidone-Iodine
- Pralidoxime
- Pramipexol
- Pramlintide
- Pramoxine
- Pranlukast
- Prasugrel
- Pravastatin
- Praziquantel
- Prazosin
- Prednicarbate
- Prednimustine
- Prednisolone
- Prednisolone acetate
- Prednisolone hemisuccinate
- Prednisolone phosphate
- Prednisone
- Pregabalin
- Pregnanolone
- Prilocaine
- Primaquine
- Primidone
- Pristinamycin
- Proanthocyanidin
- Probenecid
- Probucol
- Procainamide
- Procaine
- Procarbazine
- Procaterol
- Prochlorperazine
- Procyanidin
- Proflavine
- Progesterone
- Progestins
- Proguanil
- Proline
- Promethazine
- Propafenone
- Propantheline
- Propiverine
- Propofol
- Propolis
- Propoxycaine
- Propranolol
- Propyl Gallate
- Propylthiouracil
- Prostaglandin Antagonists
- Protamines
- Protease Inhibitors
- Protective Agents
- Protein C
- Protein C Inhibitor
- Protein Kinase Inhibitors
- Protein S
- Proteinase Inhibitory Proteins, Secretory
- Proton Pump Inhibitors
- Protriptyline
- Proxymetacaine
- Pseudoephedrine
- Psilocybine
- Psoralens
- Psychotropic Drugs
- Psyllium
- Puerarin
- Pulmonary Surfactant-Associated Protein B
- Pulmonary Surfactant-Associated Protein C
- Pulmonary Surfactant-Associated Protein D
- Pulmonary Surfactant-Associated Proteins
- Pulmonary Surfactants
- Purinergic Agents
- Purinergic Antagonists
- Purinergic P1 Receptor Agonists
- Purinergic P1 Receptor Antagonists
- Purinergic P2 Receptor Antagonists
- Purinergic P2Y Receptor Antagonists
- Purple Butterbur
- Pycnogenols
- Pyranoprofen
- Pyrantel
- Pyrantel Pamoate
- Pyrazinamide
- Pyrazole
- Pyridostigmine Bromide
- Pyridoxal
- Pyridoxal isonicotinoyl hydrazone
- Pyridoxal Phosphate
- Pyridoxamine
- Pyridoxine
- Pyrimethamine
- Pyronaridine
- Pyruvate