prn orderClinical pharmacology Any physician-promulgated mandate or regimen–'doctor's orders' that allows use of a therapy or modality as needed–Latin pro re nata–by the Pt; in certain situations–eg, malignancy or other terminal illnesses, PRN orders, in particular those for controlling pain–schedule II through V controlled substances, are more liberal. See Patient-controlled analgesia.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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A. i think you are doing a great job...although i think that doing a one hour of exercise 3 times a week is much better then 3 hours exercise once a week.More discussions about prn order
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