prn order

prn order

Clinical 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.

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Q. What do i require to do in order to keep me thin and healthy as i am now? i am 25 years old , i am doing relatively sufficient amount of sport - basketball for 3 hours once a week , how would i manage to keep my fitness ? 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.

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