Difference between revisions of "Pro re nata"
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*[http://www.emedicine.com/asp/dictionary.asp?keyword=PRN Definition of PRN] - Stedman's Medical Dictionary | *[http://www.emedicine.com/asp/dictionary.asp?keyword=PRN Definition of PRN] - Stedman's Medical Dictionary | ||
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Revision as of 02:32, 18 July 2008
Pro re nata is a Latin phrase that literally means "for the thing born". It is commonly used in medicine to mean "as needed" or "as the situation arises." It is generally used as the acronym PRN to refer to dosage of prescribed medication that is not scheduled; instead administration is left to the caregiver or the patient's prerogative.[1] PRN administration of medication is not meant to imply and should never allow for exceeding a prescribed daily regimen.
Common PRN medications
Most often PRN medications are analgesics such as paracetamol (Tylenol), which is known as acetaminophen in the US, or hydrocodone (Vicodin), laxatives such as docusate, sleeping aids (sedatives) such as zolpidem (Ambien), antianxiety medicines such as lorazepam (Ativan), and antiemetics such as ondansetron or dimenhydrinate (Gravol).[citation needed]
It should be noted none of the medications above are considered maintenance. PRN is often added to the prescribed directions for medication used to treat symptoms (as above: pain/fever, constipation, insomnia, anxiety, nausea/vomiting), but generally never for a maintenance drug.
Notes
- ↑ Pro re nata does not imply that the patient may take the medicine whenever the patient wants, but rather that the medicine may be taken in the prescribed dosage if needed.
External links
- Definition of PRN - Stedman's Medical Dictionary
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