thisdrug what a medicine's name tells you

WHO naming stem · suffix · 26 listed names

-nidazole

antiprotozoals and radiosensitizers, metronidazole derivatives

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

All 26 names WHO lists under -nidazole

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. abunidazole
  2. azanidazole
  3. bamnidazole
  4. benznidazole
  5. carnidazole
  6. doranidazole
  7. etanidazole
  8. fexinidazole
  9. flunidazole
  10. ipronidazole
  11. metronidazole
  12. misonidazole
  13. morponidazole
  14. moxnidazole
  15. ornidazole
  16. panidazole
  17. pimonidazole
  18. pirinidazole
  19. propenidazole
  20. ronidazole
  21. satranidazole
  22. secnidazole
  23. sulnidazole
  24. ternidazole
  25. tinidazole
  26. tivanidazole

Decode another name

Decoded

ornidazole

Listed INNCarries the WHO stem -nidazole

  • -nidazoleend of the nameWHO lists it hereWHO definition: antiprotozoals and radiosensitizers, metronidazole derivatives

“ornidazole” is an INN that WHO lists under -nidazole 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 -nidazole (Part II B) and the 26 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.