Word.ws English Dictionary

p.r.n.

p.r.n. is the abbreviation of pro re nata.

Meaning of pro re nata

Phrase

pro re nata (abbreviation PRN)

  1. Dealing with something that arises unexpectedly or out of due course; for special business.
  2. Used on medical charts by doctors to indicate that actions may be taken at the discretion of nursing staff depending on the patient's condition.
  3. Used on prescriptions to indicate that the medicines may be taken if and when the patients feel the need.

Questions about p.r.n.

What is p.r.n. the abbreviation of?
P.r.n. is the abbreviation of pro re nata.

Words near p.r.n. in the dictionary

  1. p.pr.
  2. P.Q.
  3. P.R.
  4. P.R.B.
  5. P.R.C.
  6. p.r.n.
  7. p.s.
  8. P.S.S.
  9. p.t.
  10. P.U.
  11. P.U.C.

Source and license

Adapted from Wiktionary: p.r.n. (page history and authors); pro re nata (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “p.r.n..” Word.ws, https://word.ws/p.r.n.. Based on Wiktionary, CC BY-SA 4.0.