ICD-10-CM
- PABA
- P-Acetamidophenol
- Packed red cells
- Padimate
- Paint NEC
- Palfium
- Palm kernel oil
- Paludrine
- PAM (pralidoxime)
- Pamaquine (naphthoute)
- Panadol
- Pancreatic
- Pancreatin
- Pancrelipase
- Pancuronium (bromide)
- Pangamic acid
- Panthenol
- Pantopon
- Pantothenic acid
- Panwarfin
- Papain
- Papaveretum
- Papaverine
- Para-acetamidophenol
- Para-aminobenzoic acid
- Para-aminophenol derivatives
- Para-aminosalicylic acid
- Paracetaldehyde
- Paracetamol
- Parachlorophenol (camphorated)
- Paracodin
- Paradione
- Paraffin (s) (wax)
- Paraformaldehyde
- Paraldehyde
- Paramethadione
- Paramethasone
- Paraoxon
- Paraquat
- Parasympatholytic NEC
- Parasympathomimetic drug NEC
- Parathion
- Parathormone
- Parathyroid extract
- Paratyphoid vaccine
- Paredrine
- Paregoric
- Pargyline
- Paris green
- Parnate
- Paromomycin
- Paroxypropione
- Parzone
- PAS
- Pasiniazid
- PBB (polybrominated biphenyls)
- PCB
- PCP
- Peach kernel oil (emulsion)
- Peanut oil (emulsion) NEC
- Pearly Gates (morning glory seeds)
- Pecazine
- Pectin
- Pefloxacin
- Pegademase, bovine
- Pelletierine tannate
- Pemirolast (potassium)
- Pemoline
- Pempidine
- Penamecillin
- Penbutolol
- Penethamate
- Penfluridol
- Penflutizide
- Pengitoxin
- Penicillamine
- Penicillin (any)
- Penicillinase
- Penicilloyl polylysine
- Penimepicycline
- Pentachloroethane
- Pentachloronaphthalene
- Pentachlorophenol (pesticide)
- Pentaerythritol
- Pentaerythrityl tetranitrate
- Pentagastrin
- Pentalin
- Pentamethonium bromide
- Pentamidine
- Pentanol
- Pentapyrrolinium (bitartrate)
- Pentaquine
- Pentazocine
- Pentetrazole
- Penthienate bromide
- Pentifylline
- Pentobarbital
- Pentobarbitone
- Pentolonium tartrate
- Pentosan polysulfate (sodium)
- Pentostatin
- Pentothal
- Pentoxifylline
- Pentoxyverine
- Pentrinat
- Pentylenetetrazole
- Pentylsalicylamide
- Pentymal
- Peplomycin
- Peppermint (oil)
- Pepsin
- Pepstatin
- Peptavlon
- Perazine
- Percaine (spinal)
- Perchloroethylene
- Percodan
- Percogesic
- Percorten
- Pergolide
- Pergonal
- Perhexilene
- Perhexiline (maleate)
- Periactin
- Periciazine
- Periclor
- Perindopril
- Perisoxal
- Peritoneal dialysis solution
- Peritrate
- Perlapine
- Permanganate
- Permethrin
- Pernocton
- Pernoston
- Peronine
- Perphenazine
- Pertofrane
- Pertussis
- Peruvian balsam
- Peruvoside
- Pesticide (dust) (fumes) (vapor) NEC
- Pethidine
- Petrichloral
- Petrol
- Petrolatum
- Petroleum (products) NEC
- Peyote
- Phanodorm, phanodorn
- Phanquinone
- Phanquone
- Pharmaceutical
- Phemitone
- Phenacaine
- Phenacemide
- Phenacetin
- Phenadoxone
- Phenaglycodol
- Phenantoin
- Phenaphthazine reagent
- Phenazocine
- Phenazone
- Phenazopyridine
- Phenbenicillin
- Phenbutrazate
- Phencyclidine
- Phendimetrazine
- Phenelzine
- Phenemal
- Phenergan
- Pheneticillin
- Pheneturide
- Phenformin
- Phenglutarimide
- Phenicarbazide
- Phenindamine
- Phenindione
- Pheniprazine
- Pheniramine
- Phenisatin
- Phenmetrazine
- Phenobal
- Phenobarbital
- Phenobarbitone
- Phenobutiodil
- Phenoctide
- Phenol
- Phenolic preparation
- Phenolphthalein
- Phenolsulfonphthalein
- Phenomorphan
- Phenonyl
- Phenoperidine
- Phenopyrazone
- Phenoquin
- Phenothiazine (psychotropic) NEC
- Phenothrin
- Phenoxybenzamine
- Phenoxyethanol
- Phenoxymethyl penicillin
- Phenprobamate
- Phenprocoumon
- Phensuximide
- Phentermine
- Phenthicillin
- Phentolamine
- Phenyl
- Phenylalanine mustard
- Phenylbutazone
- Phenylenediamine
- Phenylephrine
- Phenylethylbiguanide
- Phenylmercuric
- Phenylmethylbarbitone
- Phenylpropanol
- Phenylpropanolamine
- Phenylsulfthion
- Phenyltoloxamine
- Phenyramidol, phenyramidon
- Phenytoin
- pHisoHex
- Pholcodine
- Pholedrine
- Phorate
- Phosdrin
- Phosfolan
- Phosgene (gas)
- Phosphamidon
- Phosphate
- Phosphine
- Phospholine
- Phosphoric acid
- Phosphorus (compound) NEC
- Phthalates
- Phthalic anhydride
- Phthalimidoglutarimide
- Phthalylsulfathiazole
- Phylloquinone
- Physeptone
- Physostigma venenosum
- Physostigmine
- Phytolacca decandra
- Phytomenadione
- Phytonadione
- Picoperine
- Picosulfate (sodium)
- Picric (acid)
- Picrotoxin
- Piketoprofen
- Pilocarpine
- Pilocarpus (jaborandi) extract
- Pilsicainide (hydrochloride)
- Pimaricin
- Pimeclone
- Pimelic ketone
- Pimethixene
- Piminodine
- Pimozide
- Pinacidil
- Pinaverium bromide
- Pinazepam
- Pindolol
- Pindone
- Pine oil (disinfectant)
- Pinkroot
- Pipadone
- Pipamazine
- Pipamperone
- Pipazetate
- Pipemidic acid
- Pipenzolate bromide
- Piperacetazine
- Piperacillin
- Piperazine
- Piper cubeba
- Piperidione
- Piperidolate
- Piperocaine
- Piperonyl butoxide
- Pipethanate
- Pipobroman
- Pipotiazine
- Pipoxizine
- Pipradrol
- Piprinhydrinate
- Pirarubicin
- Pirazinamide
- Pirbuterol
- Pirenzepine
- Piretanide
- Piribedil
- Piridoxilate
- Piritramide
- Piromidic acid
- Piroxicam
- Pirozadil
- Piscidia (bark) (erythrina)
- Pitch
- Pitkin's solution
- Pitocin
- Pitressin (tannate)
- Pituitary extracts (posterior)
- Pituitrin
- Pivampicillin
- Pivmecillinam
- Placental hormone
- Placidyl
- Plague vaccine
- Plant
- Plasma
- Plasmanate
- Plasminogen (tissue) activator
- Plaster dressing
- Plastic dressing
- Plegicil
- Plicamycin
- Podophyllotoxin
- Podophyllum (resin)
- Poison NEC
- Poisonous berries
- Pokeweed (any part)
- Poldine metilsulfate
- Polidexide (sulfate)
- Polidocanol
- Poliomyelitis vaccine
- Polish (car) (floor) (furniture) (metal) (porcelain) (silver)
- Poloxalkol
- Poloxamer
- Polyaminostyrene resins
- Polycarbophil
- Polychlorinated biphenyl
- Polycycline
- Polyester fumes
- Polyester resin hardener
- Polyestradiol phosphate
- Polyethanolamine alkyl sulfate
- Polyethylene adhesive
- Polyferose
- Polygeline
- Polymyxin
- Polynoxylin
- Polyoestradiol phosphate
- Polyoxymethyleneurea
- Polysilane
- Polytetrafluoroethylene (inhaled)
- Polythiazide
- Polyvidone
- Polyvinylpyrrolidone
- Pontocaine (hydrochloride) (infiltration) (topical)
- Porfiromycin
- Posterior pituitary hormone NEC
- Pot
- Potash (caustic)
- Potassic saline injection (lactated)
- Potassium (salts) NEC
- Potassium-removing resin
- Potassium-retaining drug
- Povidone
- Practolol
- Prajmalium bitartrate
- Pralidoxime (iodide)
- Pramiverine
- Pramocaine
- Pramoxine
- Prasterone
- Pravastatin
- Prazepam
- Praziquantel
- Prazitone
- Prazosin
- Prednicarbate
- Prednimustine
- Prednisolone
- Prednisone
- Prednylidene
- Pregnandiol
- Pregneninolone
- Preludin
- Premarin
- Premedication anesthetic
- Prenalterol
- Prenoxdiazine
- Prenylamine
- Preparation, local
- Preparation H
- Preservative (nonmedicinal)
- Prethcamide
- Pride of China
- Pridinol
- Prifinium bromide
- Prilocaine
- Primaquine
- Primidone
- Primula (veris)
- Prinadol
- Priscol, Priscoline
- Pristinamycin
- Privet
- Privine
- Pro-Banthine
- Probarbital
- Probenecid
- Probucol
- Procainamide
- Procaine
- Procalmidol
- Procarbazine
- Procaterol
- Prochlorperazine
- Procyclidine
- Producer gas
- Profadol
- Profenamine
- Profenil
- Proflavine
- Progabide
- Progesterone
- Progestin
- Progestogen NEC
- Progestone
- Proglumide
- Proguanil
- Prolactin
- Prolintane
- Proloid
- Proluton
- Promacetin
- Promazine
- Promedol
- Promegestone
- Promethazine (teoclate)
- Promin
- Pronase
- Pronestyl (hydrochloride)
- Pronetalol
- Prontosil
- Propachlor
- Propafenone
- Propallylonal
- Propamidine
- Propane (distributed in mobile container)
- Propanidid
- Propanil
- 1-propanol
- 1-Propanol
- 2-propanol
- 2-Propanol
- Propantheline
- Proparacaine
- Propatylnitrate
- Propicillin
- Propiolactone
- Propiomazine
- Propionaldehyde (medicinal)
- Propionate (calcium) (sodium)
- Propion gel
- Propitocaine
- Propofol
- Propoxur
- Propoxycaine
- Propoxyphene
- Propranolol
- Propyl
- Propylaminopheno-thiazine
- Propylene
- Propylhexedrine
- Propyliodone
- Propylparaben (ophthalmic)
- Propylthiouracil
- Propyphenazone
- Proquazone
- Proscillaridin
- Prostacyclin
- Prostaglandin (I2)
- Prostigmin
- Prosultiamine
- Protamine sulfate
- Protease
- Protectant, skin NEC
- Protein hydrolysate
- Prothiaden
- Prothionamide
- Prothipendyl
- Prothoate
- Prothrombin
- Protionamide
- Protirelin
- Protokylol
- Protopam
- Protoveratrine (s) (A) (B)
- Protriptyline
- Provera
- Provitamin A
- Proxibarbal
- Proxymetacaine
- Proxyphylline
- Prozac
- Prunus
- Prussian blue
- Prussic acid
- Pseudoephedrine
- Psilocin
- Psilocybin
- Psilocybine
- Psoralene (nonmedicinal)
- Psoralens (medicinal)
- PSP (phenolsulfonphthalein)
- Psychodysleptic drug NOS
- Psychostimulant
- Psychotherapeutic drug NEC
- Psychotomimetic agents
- Psychotropic drug NEC
- Psyllium hydrophilic mucilloid
- Pteroylglutamic acid
- Pteroyltriglutamate
- PTFE
- Pulp
- Pulsatilla
- Pumpkin seed extract
- Purex (bleach)
- Purgative NEC
- Purine analogue (antineoplastic)
- Purine diuretics
- Purinethol
- PVP
- Pyrabital
- Pyramidon
- Pyrantel
- Pyrathiazine
- Pyrazinamide
- Pyrazinoic acid (amide)
- Pyrazole (derivatives)
- Pyrazolone analgesic NEC
- Pyrethrin, pyrethrum (nonmedicinal)
- Pyrethrum extract
- Pyribenzamine
- Pyridine
- Pyridium
- Pyridostigmine bromide
- Pyridoxal phosphate
- Pyridoxine
- Pyrilamine
- Pyrimethamine
- Pyrimidine antagonist
- Pyriminil
- Pyrithione zinc
- Pyrithyldione
- Pyrogallic acid
- Pyrogallol
- Pyroxylin
- Pyrrobutamine
- Pyrrolizidine alkaloids
- Pyrvinium chloride
- PZI