A primary health-care provider orders a medication to be administered every 6 hours prn. What should the nurse teach the patient about this medication?

"I can give you this medication every 6 hours if you need it.”.

"I have to give you this medication every 6 hours around the clock.”.

"I must wait 6 hours before administering this medication to you.”.

"I will give this medication over 6 hours.”.