p.r.n.: Abbreviation meaning "when necessary" (from the Latin "pro re nata", for an occasion that has arisen, as circumstances require, as needed). One of a number of hallowed abbreviations of Latin terms that have traditionally been used in prescriptions.
Some others:
p.r.n.: Abbreviation meaning "when necessary" (from the Latin "pro re nata", for an occasion that has arisen, as circumstances require, as needed).
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Acronym Definition; PRN: Printer: PRN: Pro Re Nata (Latin: for the existing occasion; as matters are; as needed) PRN: PR Newswire: PRN: Pain Relief Network: PRN
(in prescriptions) as the occasion arises; as needed. Origin: < Latin prÃ…Â rÄ“ nÄÂta :10 :09 :08 :07 :06 :05 :04 :03 :02 :01 Prn is always a great word to know. So is ...
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