When you were aspiring to become a health-care professional, the thought of playing cop probably never crossed your mind. Unfortunately it is a part of all of our jobs. Keeping a vigilant eye and having good prescribing habits can go a long way in preventing prescription drug abuse. So many changes have occurred in drug reclassification over the past year that the basic rules governing the prescription of controlled medications and the changes are not as simple as they should be. Corey Heffernan, PharmD, covers the highlights of common questions about prescribing controlled medications.