thisdrug what a medicine's name tells you

WHO naming stem · suffix · 4 listed names

-amivir

neuraminidase inhibitors

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

All 4 names WHO lists under -amivir

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. laninamivir
  2. oseltamivir
  3. peramivir
  4. zanamivir

Decode another name

Decoded

peramivir

Listed INNCarries 2 WHO stems, most specific first: -amivir …

  • -amivirend of the nameWHO lists it hereWHO definition: neuraminidase inhibitors
  • virend of the nameWHO lists it hereWHO definition: antivirals (undefined group)

“peramivir” is an INN that WHO lists under -amivir, vir 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 -amivir (Part II B) and the 4 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.