Meaning of p.r.n. | Babel Free

Definitions

Abbreviation of pro re nata.

abbreviation, alt-of

Examples

“For example, apart from being given three to four times a day on a time-contingent basis, ibuprofen or naproxen or most other NSAIDs may be taken p.r.n. (as occasion rises) when pain is troublesome and omitted at other times.”

CEFR level