PRN means Pro Re Nata As needed in FDA
Similar to PRN
AANN - American Association of Neurosciences NursesAANS - American Association of Neurological Surgeons
AAO - American Academy of Ophthalmology
AAP - American Academy of Pediatrics
AAPHP - American Association of Public Health Physicians
AAPM - American Association of Physicists in Medicine
AAR - After Action Review
View all in FDA