thisdrug what a medicine's name tells you

WHO naming stem · suffix · 84 listed names

-ast

anti-allergic or anti-inflammatory, not acting as anti-histaminics

WHO's definition, quoted as written in the 2024 stem book
Names only. This page is about -ast 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 -ast. So the letters ast sit at the end of the name (…ast).

All 84 names WHO lists under -ast

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. ablukast
  2. acitazanolast
  3. acreozast
  4. andolast
  5. apremilast
  6. asobamast
  7. ataquimast
  8. batebulast
  9. bexotegrast
  10. binizolast
  11. bunaprolast
  12. carotegrast
  13. catramilast
  14. cilomilast
  15. cinalukast
  16. dametralast
  17. dazoquinast
  18. difamilast
  19. doqualast
  20. dovramilast
  21. eclazolast
  22. eflumast
  23. elbimilast
  24. enofelast
  25. enoxamast
  26. fenprinast
  27. filaminast
  28. firategrast
  29. gemilukast
  30. ibudilast
  31. idenast
  32. imitrodast
  33. indimilast
  34. iralukast
  35. lavamilast
  36. lifitegrast
  37. lirimilast
  38. lotamilast
  39. loxanast
  40. masilukast
  41. melquinast
  42. milategrast
  43. montelukast
  44. mufemilast
  45. oglemilast
  46. ontazolast
  47. orismilast
  48. oxalinast
  49. pemirolast
  50. piclamilast
  51. picumast
  52. pirodomast
  53. pobilukast
  54. pranlukast
  55. quazolast
  56. quinotolast
  57. raxofelast
  58. repirinast
  59. revamilast
  60. revenast
  61. ritolukast
  62. roflumilast
  63. scopinast
  64. seratrodast
  65. sulukast
  66. suplatast tosilate
  67. tanimilast
  68. tazanolast
  69. tetomilast
  70. tetrazolast
  71. tiacrilast
  72. tibenelast
  73. tioxamast
  74. tipelukast
  75. tiprinast
  76. tofimilast
  77. tomelukast
  78. tranilast
  79. valategrast
  80. verlukast
  81. zafirlukast
  82. zaprinast
  83. zatolmilast
  84. zaurategrast

Decode another name

Decoded

idenast

Listed INNCarries the WHO stem -ast

  • -astend of the nameWHO lists it hereWHO definition: anti-allergic or anti-inflammatory, not acting as anti-histaminics

“idenast” is an INN that WHO lists under -ast 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 -ast (Part II B) and the 84 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.