thisdrug what a medicine's name tells you

WHO naming stem · prefix · 33 listed names

nitro-/nitr-/nit-/ni-/-ni-

NO2 - derivatives

WHO's definition, quoted as written in the 2024 stem book
Names only. This page is about nitro-/nitr-/nit-/ni-/-ni- 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 nitro-/nitr-/nit-/ni-/-ni-. It has 5 spellings or places: nitro at the start of the name (nitro…); nitr at the start of the name (nitr…); nit at the start of the name (nit…); ni at the start of the name (ni…); ni inside the name, with letters before and after it (…ni…).

Of the 33 names WHO lists under it, 10 carry nitro at the start of the name, 8 carry nitr at the start of the name, 1 carry nit at the start of the name, 13 carry ni at the start of the name, 1 carry ni inside the name, with letters before and after it.

All 33 names WHO lists under nitro-/nitr-/nit-/ni-/-ni-

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. nibroxane
  2. nicardipine
  3. niclofolan
  4. niclosamide
  5. nidroxyzone
  6. nifedipine
  7. nifenalol
  8. nihydrazone
  9. niludipine
  10. nimesulide
  11. nimorazole
  12. niridazole
  13. nisoldipine
  14. nitarsone
  15. nitracrine
  16. nitrafudam
  17. nitramisole
  18. nitraquazone
  19. nitrazepam
  20. nitrefazole
  21. nitrendipine
  22. nitricholine perchlorate
  23. nitroclofene
  24. nitrocycline
  25. nitrodan
  26. nitrofural
  27. nitrofurantoin
  28. nitromifene
  29. nitroscanate
  30. nitrosulfathiazole
  31. nitroxinil
  32. nitroxoline
  33. ranitidine

Decode another name

Decoded

nitrodan

Listed INNCarries 2 WHO stems, most specific first: nitro-/nitr-/nit-/ni-/-ni- …

  • nitro-/nitr-/nit-/ni-/-ni-start of the nameWHO lists it hereWHO definition: NO2 - derivatives
  • -danend of the nameWHO definition: cardiac stimulants, pimobendan derivatives

“nitrodan” is an INN that WHO lists under nitro-/nitr-/nit-/ni-/-ni- 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 nitro-/nitr-/nit-/ni-/-ni- (Part II B) and the 33 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.