Active substances
2,443 active substances of the UK medicines whose patient leaflet or SPC is on this site, from A to Z – with the number of medicines containing the substance alone or in a combination with other substances.
- Pneumococcal oligosaccharide serotype 18C, Pneumococcal polysaccharide serotype 19F, Pneumococcal polysaccharide serotype 23F, Pneumococcal polysaccharide serotype 4, Pneumococcal polysaccharide serotype 6B, Pneumococcal polysaccharide serotype 9V, 1 medicine: 1 alone
- Pneumococcal polysaccharide conjugate vaccine (adsorbed) 1 medicine: 1 alone
- Pneumococcal polysaccharide serotype 1, Pneumococcal polysaccharide serotype 3, Pneumococcal polysaccharide serotype 4, Pneumococcal polysaccharide serotype 5, Pneumococcal polysaccharide serotype 6A, Pneumococcal polysaccharide serotype 6B, Pneumococcal 2 medicines: 2 alone
- Pneumococcal polysaccharide serotype 23F, Pneumococcal polysaccharide serotype 4, Pneumococcal polysaccharide serotype 5, Pneumococcal polysaccharide serotype 6B, Pneumococcal polysaccharide serotype 7F, Pneumococcal polysaccharide serotype 9V, 1 medicine: 1 alone
- Pneumococcal vaccine 3 medicines: 3 alone
- Podophyllotoxin 3 medicines: 3 alone
- Polatuzumab vedotin 3 medicines: 3 alone
- Poloxamer 188 2 medicines: 1 alone · 1 in combination
- Polygeline 1 medicine: 1 alone
- Polymyxin B sulfate 3 medicines: 3 in combination
- Polyribosylribitol phosphate from Haemophilus influenzae type b as PRP-OMPC, outer membrane protein complex of Neisseria meningitidis (outer membrane protein complex of the B11 strain of Neisseria meningitidis subgroup B), adsorbed hepatitis B surface 1 medicine: 1 alone
- Pomalidomide 10 medicines: 10 alone
- Ponatinib 5 medicines: 5 alone
- Ponesimod 2 medicines: 2 alone
- Poractant alfa 1 medicine: 1 alone
- Porcine circovirus recombinant virus (CPCV) 1-2, inactivated 1 medicine: 1 alone
- Porcine circovirus type 2 ORF2 protein 2 medicines: 2 alone
- Porcine circovirus type 2 ORF2 subunit antigen 2 medicines: 2 alone
- Porcine circovirus type 2 (PCV2) ORF2 subunit antigen, Mycoplasma hyopneumoniae J strain inactivated 1 medicine: 1 alone
- Porcine circovirus vaccine (inactivated, recombinant) 1 medicine: 1 alone
- Porcine parvovirus, strain 27a, viral protein 2 1 medicine: 1 alone
- Porcine parvovirus, strain NADL-2 and Erysipelothrix rhusiopathiae, strain R32E11 (inactivated) 1 medicine: 1 alone
- Porfimer 2 medicines: 2 alone
- Posaconazole 22 medicines: 22 alone
- Potassium 1 medicine: 1 in combination
- Potassium acetate 4 medicines: 1 alone · 3 in combination
- Potassium aminobenzoate 1 medicine: 1 alone
- Potassium bicarbonate 7 medicines: 1 alone · 6 in combination
- Potassium chloride 76 medicines: 33 alone · 43 in combination
- Potassium citrate 6 medicines: 2 alone · 4 in combination
- Potassium citrate monohydrate 1 medicine: 1 in combination
- Potassium citrate monohydrated, Potassium hydrogen carbonate 1 medicine: 1 alone
- Potassium dihydrogen phosphate 1 medicine: 1 in combination
- Potassium glycerophosphate 1 medicine: 1 in combination
- Potassium hydroxide 1 medicine: 1 in combination
- Potassium iodate 1 medicine: 1 alone
- Potassium iodide 10 medicines: 5 alone · 5 in combination
- Potassium sulfate 1 medicine: 1 in combination
- Povidone-Iodine 7 medicines: 6 alone · 1 in combination
- Pradofloxacin 1 medicine: 1 alone
- Pralsetinib 2 medicines: 2 alone
- Pramipexole 70 medicines: 70 alone
- Pramocaine 1 medicine: 1 in combination
- Prasterone 2 medicines: 2 alone
- Prasugrel 20 medicines: 20 alone
- Pravastatin 5 medicines: 4 alone · 1 in combination
- Prazosin 2 medicines: 2 alone
- Prednisolone 45 medicines: 43 alone · 2 in combination
- Pregabalin 312 medicines: 312 alone
- Pretomanid 2 medicines: 2 alone
- Pridinol 1 medicine: 1 alone
- Prilocaine 11 medicines: 4 alone · 7 in combination
- Primidone 31 medicines: 31 alone
- Procaine 1 medicine: 1 in combination
- Procarbazine 1 medicine: 1 alone
- Prochlorperazine 13 medicines: 13 alone
- Procyclidine 12 medicines: 12 alone
- Proflavine 1 medicine: 1 alone
- Progesterone 24 medicines: 23 alone · 1 in combination
- Proguanil 10 medicines: 1 alone · 9 in combination
- Promazine 8 medicines: 8 alone
- Promethazine hydrochloride 15 medicines: 13 alone · 2 in combination
- Promethazine teoclate 2 medicines: 2 alone
- Propafenone 4 medicines: 4 alone
- Propantheline 2 medicines: 2 alone
- Propiverine 12 medicines: 12 alone
- Propofol 18 medicines: 18 alone
- Propranolol 36 medicines: 36 alone
- Propylthiouracil 4 medicines: 4 alone
- Protamine 2 medicines: 2 alone
- Protease 17 medicines: 17 in combination
- Protein C 8 medicines: 8 in combination
- Protein C human 2 medicines: 2 alone
- Protein dO (non-toxic deletion derivative of Pasteurella multocida dermonecrotic toxin), inactivated Bordetella bronchiseptica cells 1 medicine: 1 alone
- Protein S 5 medicines: 5 in combination
- Proteolytic enzymes enriched in bromelain 1 medicine: 1 alone
- Proxymetacaine 1 medicine: 1 alone
- Prucalopride 7 medicines: 7 alone
- Pseudoephedrine 15 medicines: 3 alone · 12 in combination
- Pseudoephedrine hydrochloride 21 medicines: 12 alone · 9 in combination
- pUK-SPDV-poly2#1 DNA plasmid coding for salmon pancreas disease virus proteins 1 medicine: 1 alone
- Purified diphtheria toxoid, Purified Tetanus Toxoid, purified pertussis toxoid, purified pertussis filamentous haemagglutinin, hepatitis B surface antigen, Inactivated Type 1 Poliovirus (Mahoney), inactivated type 2 poliovirus (MEF 1), Inactivated Type 3 1 medicine: 1 alone
- Purified p45 feline leukaemia virus envelope antigen, live feline calicivirus (strain F9), live feline viral rhinotracheitis virus (strain F2), live feline panleucopenia virus 1 medicine: 1 alone
- Purified p45 FeLV-envelope antigen 1 medicine: 1 alone
- Purified Rp-45 FeLV-envelope antigen 1 medicine: 1 alone
- Purified water 2 medicines: 2 in combination
- Pyrazinamide 5 medicines: 2 alone · 3 in combination
- Pyridostigmine 6 medicines: 6 alone
- Pyridoxine 8 medicines: 5 alone · 3 in combination
- Pyridoxine hydrochloride 18 medicines: 1 alone · 17 in combination
- Pyrimethamine 1 medicine: 1 alone
- Pyriprole 1 medicine: 1 alone
- pyriproxyfen, dinotefuran 1 medicine: 1 alone
- Quetiapine 78 medicines: 78 alone
- Quinagolide 5 medicines: 5 alone
- Quinapril 4 medicines: 2 alone · 2 in combination
- Quinine bisulfate 1 medicine: 1 alone
- Quinine sulfate 15 medicines: 15 alone
- Quizartinib 1 medicine: 1 alone
- Rabbit hemorrhagic disease virus 2 VP1AB, Rabbit hemorrhagic disease virus VP1A 1 medicine: 1 alone
Sources: the MHRA product information, the European Medicines Agency and the NHS Dictionary of Medicines and Devices (dm+d), NHS Business Services Authority.