What Does The Medical Term PRN Mean?

What Does The Medical Term PRN Mean? The PRN prescription stands for ‘pro re nata,’ which means that the administration of medication is not scheduled. Instead, the prescription is taken as needed. What type of medication is PRN? PRN prescription and administration is commonly used for psychotropic and psycholeptics medications, including antipsychotics, neuroleptics, anxiolytics, sedatives,