Does PRN and indefinite refills mean the same thing?

Answer 1

For medications, PRN means "take as needed".

I've never seen any prescription written as "indefinite refills", and it would not be within medical standards to write a prescription that way. However, a prescription may have continuous refills, usually up to 12 months (1 year) BUT this is only on certain classifications of prescription medications and typically the refill line has a designation (a number is placed there to indicate how many refills). But, again, a prescription is never written with "continuous refills" on the prescription paper.