Active substances of medicines A–Z – page 2

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.

Aminophylline 6 medicines: 6 alone
Aminosalicylic acid 1 medicine: 1 alone
Amiodarone 17 medicines: 17 alone
Amisulpride 12 medicines: 12 alone
Amitriptyline 17 medicines: 17 alone
Amivantamab 5 medicines: 5 alone
Amlodipine 68 medicines: 32 alone · 36 in combination
Ammonia solution aromatic 1 medicine: 1 in combination
Ammonia solution strong 1 medicine: 1 in combination
Ammonium chloride 4 medicines: 1 alone · 3 in combination
Ammonium salicylate 1 medicine: 1 in combination
Amorolfine 13 medicines: 13 alone
Amoxicillin 88 medicines: 59 alone · 29 in combination
Amphotericin B 1 medicine: 1 alone
Amphotericin B liposomal 3 medicines: 3 alone
Ampicillin 20 medicines: 17 alone · 3 in combination
Amprenavir 1 medicine: 1 alone
Amsacrine 1 medicine: 1 alone
Amylase 17 medicines: 17 in combination
Amylmetacresol 20 medicines: 11 alone · 9 in combination
Anagrelide 13 medicines: 13 alone
Anakinra 1 medicine: 1 alone
Anastrozole 5 medicines: 5 alone
Andexanet alfa 1 medicine: 1 alone
Anethol 1 medicine: 1 in combination
Angiotensin II 2 medicines: 2 alone
Anidulafungin 4 medicines: 4 alone
Anifrolumab 1 medicine: 1 alone
Anti-D immunoglobulin 3 medicines: 3 alone
Anti-human T lymphocyte immunoglobulin (equine) 1 medicine: 1 alone
Antithrombin alfa 1 medicine: 1 alone
Antithymocyte immunoglobulin (rabbit) 1 medicine: 1 alone
Apalutamide 2 medicines: 2 alone
Apixaban 26 medicines: 26 alone
Apomorphine 9 medicines: 9 alone
Apraclonidine 2 medicines: 2 alone
Apremilast 10 medicines: 10 alone
Aprepitant 22 medicines: 22 alone
Arachis oil 5 medicines: 2 alone · 3 in combination
Argatroban 3 medicines: 3 alone
Arginine 21 medicines: 2 alone · 19 in combination
Argipressin 4 medicines: 4 alone
Aripiprazole 115 medicines: 115 alone
Arsenic 6 medicines: 6 alone
Arsenic trioxide 4 medicines: 4 alone
Artemether 1 medicine: 1 in combination
Artesunate 1 medicine: 1 alone
Articaine 4 medicines: 1 alone · 3 in combination
Asciminib 2 medicines: 2 alone
Ascorbic acid 46 medicines: 19 alone · 27 in combination
Asenapine 2 medicines: 2 alone
Asfotase alfa 2 medicines: 2 alone
Asia 1 Shamir ≥ 6 PD50* 1 medicine: 1 in combination
Asparaginase 1 medicine: 1 alone
Aspirin 51 medicines: 38 alone · 13 in combination
Ataluren 3 medicines: 3 alone
Atazanavir 26 medicines: 24 alone · 2 in combination
Atenolol 40 medicines: 29 alone · 11 in combination
Atezolizumab 4 medicines: 4 alone
Atidarsagene autotemcel 2 medicines: 2 alone
Atogepant 2 medicines: 2 alone
Atomoxetine 63 medicines: 63 alone
Atorvastatin 35 medicines: 29 alone · 6 in combination
Atosiban 8 medicines: 8 alone
Atovaquone 15 medicines: 6 alone · 9 in combination
Atracurium 4 medicines: 4 alone
Atropine 18 medicines: 18 alone
Atropine sulfate 1 medicine: 1 in combination
Attenuated feline panleucopenia virus (PLI IV) 1 medicine: 1 alone
Attenuated feline rhinotracheitis herpesvirus (FHV F2 strain), inactivated feline calicivirosis antigens (FCV 431 and G1 strains) 1 medicine: 1 alone
Attenuated feline rhinotracheitis herpesvirus (FHV F2 strain), inactivated feline calicivirosis antigens (FCV 431 and G1 strains), attenuated Chlamydophila felis (905 strain) 1 medicine: 1 alone
Attenuated feline rhinotracheitis herpesvirus (FHV F2 strain), inactivated feline calicivirosis antigens (FCV 431 and G1 strains), attenuated Chlamydophila felis (905 strain), attenuated feline panleucopenia virus (PLI IV) 1 medicine: 1 alone
Attenuated feline rhinotracheitis herpesvirus (FHV F2 strain), inactivated feline calicivirosis antigens (FCV 431 and G1 strains), attenuated feline panleucopenia virus (PLI IV), FeLV recombinant canarypox virus (vCP97) 1 medicine: 1 alone
Attenuated feline rhinotracheitis herpesvirus (FHV F2 strain), inactivated feline calicivirosis antigens (FCV 431 and G1 strains), attenuated feline panleucopenia virus (PLI IV), FeLV recombinant canarypox virus (vCP97), attenuated Chlamydophila felis 1 medicine: 1 alone
Attenuated live rabies vaccine virus, strain SPBN GASGAS 1 medicine: 1 alone
Autologous CD34+ cell enriched population that contains hematopoietic stem cells transduced with lentiglobin BB305 lentiviral vector encoding the beta-A-T87Q-globin gene 1 medicine: 1 alone
Autologous CD34+ cells transduced to express human adenosine deaminase 1 medicine: 1 alone
Autologous CD34+ enriched cell fraction that contains CD34+ cells transduced with retroviral vector that encodes for the human adenosine deaminase (ADA) cDNA sequence from human haematopoietic stem/progenitor (CD34+) cells 1 medicine: 1 alone
Autologous chondrocyte spheroids 1 medicine: 1 alone
Autologous cultured chondrocytes 1 medicine: 1 alone
Autologous human corneal epithelial cells 1 medicine: 1 alone
Autologous peripheral-blood mononuclear cells including a minimum of 50 million autologous CD54+ cells activated with prostatic acid phosphatase granulocyte-macrophage colony-stimulating factor 1 medicine: 1 alone
Autologous peripheral blood T cells CD4 and CD8 selected and CD3 and CD28 activated transduced with retroviral vector expressing anti-CD19 CD28/CD3-zeta chimeric antigen receptor and cultured 1 medicine: 1 alone
Avacopan 1 medicine: 1 alone
Avanafil 3 medicines: 3 alone
Avapritinib 5 medicines: 5 alone
Avatrombopag maleate 1 medicine: 1 alone
Avelumab 1 medicine: 1 alone
Avena 1 medicine: 1 in combination
Avibactam 2 medicines: 2 in combination
Axicabtagene ciloleucel 2 medicines: 2 alone
Axitinib 10 medicines: 10 alone
Azacitidine 17 medicines: 17 alone
Azagly-nafarelin 1 medicine: 1 alone
Azathioprine 11 medicines: 11 alone
Azelaic acid 2 medicines: 2 alone
Azelastine 20 medicines: 8 alone · 12 in combination
Azilsartan 4 medicines: 4 alone
Azithromycin 17 medicines: 17 alone
Aztreonam 6 medicines: 5 alone · 1 in combination

Sources: the MHRA product information, the European Medicines Agency and the NHS Dictionary of Medicines and Devices (dm+d), NHS Business Services Authority.