Impact of rescheduling hydrocodone-combination products in an urban Texas county healthcare system.

Objective: The objective of this study was to examine the rescheduling of hydrocodone-combination products (HCPs) and associated changes in prescriber patterns in an urban county healthcare system in Texas.

Methods: Pharmacy data were obtained electronically for tramadol, hydrocodone-acetaminophen, and acetaminophen-codeine from 180 days before and after the schedule change on October 6, 2014. and t tests were used to calculate the significance of changes between the medications over the studied time.