This guide provides practical, evidence-based information that first responder agencies, their partners, and communities can use to implement or expand practices and programs for linking people to substance use services.

This practical guide updates and expands the discussion presented in SAMHSA's Concept of Trauma and Guidance for a Trauma-Informed Approach Resource from 2014. The primary goal of this guide is to provide implementation strategies across multiple domains based on the original publication.

This guide focuses on using medication-assisted treatment for opioid use disorder in jails and prisons and during the reentry process when justice-involved persons return to the community. It provides an overview of policies and evidence-based practices that reduce the risk of overdose and relapse.