I Tested Caffeine Po Q4h PRN: What It Means, When I Used It, and What I Learned
When I first came across the phrase “Caffeine Po Q4h Prn,” I realized how much meaning can be packed into just a few medical abbreviations. At a glance, it may look technical or even intimidating, but it represents a practical concept that appears in clinical settings and everyday healthcare communication. In this article, I want…
