Associations to the word «Prn»

Wiktionary

PRN, abbreviation. As the situation may require, such as in directions on medical charts by doctors for the benefit of nursing staff indicating actions that may be taken at their discretion depending on patient condition; or likewise instructions to a patient on a prescription indicating they may take the medicine if and when they feel the need for it

Dictionary definition

PRN, adverb. According to need (physicians use PRN in writing prescriptions); "add water as needed".

Wise words

The chief virtue that language can have is clearness, and nothing detracts from it so much as the use of unfamiliar words.
Hippocrates