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WHO naming stem · prefix · 80 listed names

cef-

antibiotics, cefalosporanic acid derivatives

WHO's definition, quoted as written in the 2024 stem book
Names only. This page is about cef- as a part of a name. It has nothing on uses, doses, side effects or interactions of any medicine that carries it, and nothing here is medical advice. Ask a pharmacist or doctor about the medicine itself.

Where it sits in a name

WHO writes the stem as cef-. So the letters cef sit at the start of the name (cef…).

All 80 names WHO lists under cef-

These are the INN in group (a) of Part IV of the stem book: names in which WHO says the stem is used as defined. The stem is marked where WHO places it. A-Z as WHO lists them.

  1. cefacetrile
  2. cefaclor
  3. cefadroxil
  4. cefalexin
  5. cefaloglycin
  6. cefalonium
  7. cefaloram
  8. cefaloridine
  9. cefalotin
  10. cefamandole
  11. cefaparole
  12. cefapirin
  13. cefatrizine
  14. cefazaflur
  15. cefazedone
  16. cefazolin
  17. cefbuperazone
  18. cefcanel
  19. cefcanel daloxate
  20. cefcapene
  21. cefclidin
  22. cefdaloxime
  23. cefdinir
  24. cefditoren
  25. cefedrolor
  26. cefempidone
  27. cefepime
  28. cefetamet
  29. cefetecol
  30. cefetrizole
  31. cefiderocol
  32. cefilavancin
  33. cefivitril
  34. cefixime
  35. cefluprenam
  36. cefmatilen
  37. cefmenoxime
  38. cefmepidium chloride
  39. cefmetazole
  40. cefminox
  41. cefodizime
  42. cefonicid
  43. cefoperazone
  44. ceforanide
  45. cefoselis
  46. cefotaxime
  47. cefotetan
  48. cefotiam
  49. cefovecin
  50. cefoxazole
  51. cefoxitin
  52. cefozopran
  53. cefpimizole
  54. cefpiramide
  55. cefpirome
  56. cefpodoxime
  57. cefprozil
  58. cefquinome
  59. cefradine
  60. cefrotil
  61. cefroxadine
  62. cefsulodin
  63. cefsumide
  64. ceftaroline fosamil
  65. ceftazidime
  66. cefteram
  67. ceftezole
  68. ceftibuten
  69. ceftiofur
  70. ceftiolene
  71. ceftioxide
  72. ceftizoxime
  73. ceftizoxime alapivoxil
  74. ceftobiprole
  75. ceftobiprole medocaril
  76. ceftolozane
  77. ceftriaxone
  78. cefuracetime
  79. cefuroxime
  80. cefuzonam

Decode another name

Decoded

cefaclor

Listed INNCarries the WHO stem cef-

  • cef-start of the nameWHO lists it hereWHO definition: antibiotics, cefalosporanic acid derivatives

“cefaclor” is an INN that WHO lists under cef- in the 2024 stem book.

The same decoder as the front page: it reads the letters of a name against all 482 WHO stems, in your browser.

Source and licence

The definition of cef- (Part II B) and the 80 names (Part IV, group (a)) are from Use of stems in the selection of International Nonproprietary Names (INN) for pharmaceutical substances, 2024 (World Health Organization, Stem book 2024 (ISBN 978-92-4-009938-8); covers proposed INN Lists 1-129). Checked .

Adapted from: Use of stems in the selection of International Nonproprietary Names (INN) for pharmaceutical substances, 2024. Geneva: World Health Organization; 2024. Licence: CC BY-NC-SA 3.0 IGO. This adaptation was not created by WHO; WHO is not responsible for its content or accuracy and does not endorse this site. The data file stems.json is shared under the same licence.