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.
- Ergometrine 2 medicines: 1 alone · 1 in combination
- Ergotamine tartrate 1 medicine: 1 in combination
- Eribulin 6 medicines: 6 alone
- Erlotinib 25 medicines: 25 alone
- Ertapenem 8 medicines: 8 alone
- Ertugliflozin 7 medicines: 5 alone · 2 in combination
- Erysipelothrix rhusiopathiae, strain R32E11 (inactivated) 1 medicine: 1 alone
- Erythromycin 16 medicines: 11 alone · 5 in combination
- Erythromycin ethyl succinate 9 medicines: 9 alone
- Erythromycin lactobionate 2 medicines: 2 alone
- Erythromycin stearate 5 medicines: 5 alone
- Escherichia coli J5 inactivated, Staphylococcus aureus (CP8) strain SP 140 inactivated, expressing slime-associated antigenic complex 1 medicine: 1 alone
- Escitalopram 23 medicines: 23 alone
- Esketamine 6 medicines: 6 alone
- Eslicarbazepine 27 medicines: 27 alone
- Esmolol 6 medicines: 6 alone
- Esomeprazole 32 medicines: 30 alone · 2 in combination
- Estetrol 2 medicines: 2 in combination
- Estradiol 84 medicines: 64 alone · 20 in combination
- Estriol 9 medicines: 9 alone
- Eszopiclone 3 medicines: 3 alone
- Etanercept 15 medicines: 15 alone
- Etelcalcetide 3 medicines: 3 alone
- Ethambutol 8 medicines: 8 alone
- Ethambutol hydrochloride 1 medicine: 1 in combination
- Ethanol 1 medicine: 1 in combination
- Ethanol 30% 1 medicine: 1 in combination
- Ethinylestradiol 69 medicines: 16 alone · 53 in combination
- Ethosuximide 22 medicines: 22 alone
- Ethyl nicotinate 3 medicines: 3 in combination
- Etodolac 3 medicines: 3 alone
- Etomidate 2 medicines: 2 alone
- Etonogestrel 6 medicines: 2 alone · 4 in combination
- Etoposide 7 medicines: 7 alone
- Etoricoxib 38 medicines: 38 alone
- Etranacogene dezaparvovec 1 medicine: 1 alone
- Etrasimod 1 medicine: 1 alone
- Etravirine 3 medicines: 3 alone
- Eucalyptus oil 16 medicines: 3 alone · 13 in combination
- Everolimus 36 medicines: 36 alone
- Evinacumab 2 medicines: 2 alone
- Evolocumab 2 medicines: 2 alone
- Ex vivo expanded autologous human corneal epithelial cells containing stem cells 1 medicine: 1 alone
- Exametazime 3 medicines: 3 alone
- Exemestane 5 medicines: 5 alone
- Exenatide 4 medicines: 4 alone
- Ezetimibe 18 medicines: 7 alone · 11 in combination
- F4ab (K88ab) fimbrial adhesin, F4ac (K88ac) fimbrial adhesin, F5 (K99) fimbrial adhesin, F6 (987P) fimbrial adhesin, LT toxoid 1 medicine: 1 alone
- Factor II 8 medicines: 8 in combination
- Factor IX 8 medicines: 8 in combination
- Factor VII 8 medicines: 8 in combination
- Factor VIII 7 medicines: 7 in combination
- Factor VIII Inhibitor Bypassing Fraction 1 medicine: 1 alone
- Factor X 10 medicines: 2 alone · 8 in combination
- Famciclovir 7 medicines: 7 alone
- Famotidine 4 medicines: 4 alone
- Fampridine 9 medicines: 9 alone
- Faricimab 2 medicines: 2 alone
- Febuxostat 26 medicines: 26 alone
- Fedratinib 1 medicine: 1 alone
- Felbinac 2 medicines: 2 alone
- Feline leukaemia virus recombinant canarypox virus (vCP97) 1 medicine: 1 alone
- Felodipine 26 medicines: 24 alone · 2 in combination
- Fenbendazole 1 medicine: 1 alone
- Fenchone 1 medicine: 1 in combination
- Fenfluramine 1 medicine: 1 alone
- Fenofibrate 7 medicines: 5 alone · 2 in combination
- Fenofibrate micronised 13 medicines: 13 alone
- Fenoprofen 1 medicine: 1 alone
- Fentanyl 119 medicines: 114 alone · 5 in combination
- Fenticonazole 3 medicines: 3 alone
- Ferric carboxymaltose 3 medicines: 3 alone
- Ferric chloride hexahydrate 2 medicines: 2 in combination
- Ferric citrate coordination complex 2 medicines: 2 alone
- Ferric derisomaltose 2 medicines: 2 alone
- Ferric maltol 1 medicine: 1 alone
- Ferrous chloride 1 medicine: 1 in combination
- Ferrous fumarate 8 medicines: 7 alone · 1 in combination
- Ferrous gluconate 5 medicines: 4 alone · 1 in combination
- Ferrous sulfate 8 medicines: 5 alone · 3 in combination
- Ferrous sulfate dried 1 medicine: 1 in combination
- Ferumoxytol 1 medicine: 1 alone
- Fesoterodine 19 medicines: 19 alone
- Fexofenadine 13 medicines: 13 alone
- Fezolinetant 1 medicine: 1 alone
- Fibrinogen human 4 medicines: 3 alone · 1 in combination
- Fidaxomicin 3 medicines: 3 alone
- Filamentous haemagglutinin, Haemophilus influenzae type B polysaccharide (polyribosylribitol phosphate), hepatitis B surface antigen, pertussis toxoid, poliovirus (inactivated) type 1 (Mahoney strain) produced on Vero cells, poliovirus (inactivated) type 1 medicine: 1 alone
- Filgotinib 2 medicines: 2 alone
- Filgrastim 23 medicines: 23 alone
- Finasteride 8 medicines: 8 alone
- Finerenone 3 medicines: 3 alone
- Fingolimod 18 medicines: 18 alone
- fipronil, amitraz, (S)-methoprene 1 medicine: 1 alone
- Firocoxib 2 medicines: 2 alone
- Fish oil 2 medicines: 2 in combination
- Flavoxate 3 medicines: 3 alone
- Flecainide 7 medicines: 7 alone
- Florbetaben (18F) 1 medicine: 1 alone
- Florbetaben [F-18] 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.