Recently, colleagues have raised questions about pending state legislation related to electronic prescribing (e-prescribing) and in particular the concept of electronic prior authorization (ePA) for medications. We thought it would be helpful to discuss what we know about the current state of e-prescribing and ePA. E-prescribing provides significant advantages in contrast to its paper analog. Coupled with other complementary technologies, such as drug-drug interaction checking, e-prescribing can improve patient safety, increase prescribing accuracy and efficiency, and lower costs by notifying providers of generic or preferred drug list alternatives. 

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