The Mudcat Café TM
Thread #109219 Message #2280654
Posted By: Rapparee
05-Mar-08 - 06:23 PM
Thread Name: BS: UK jargon whats a PRN?
Subject: RE: BS: UK jargon whats a PRN?
In medicine it's "pro re nata" -- or "as needed". As in, "Take this medicine for pain prn."