1 Do not attempt to remove visible debris or drainage from the ear. 2  Stop swimming or exposure to water until the condition improves.  Apply heat to the ear to control the pain at home. Warmth from a heating pad may provide some relief. Fold a towel in half and place it between the heating pad and the ear.
PRN in Any Field. You can be a PRN employee in any medical-related field. Many PRNs are therapists, nurses or nursing aides. But many other medical areas also use PRN employees to fill in as needed as laboratory workers, therapists, sleep technicians or other medical specialists.
Therefore, when used in medical situations, specifically for medications, it means that the medication is to be used only when needed, rather than on a consistent basis. PRN means as needed.. It stands for pro re nata which translates to in the circumstances.. It is routinely used by physicians in prescribing instructions to mean as needed for..