SU
Substance Use
Definitions, substances, clinical challenges, cases.
4 sections — click any tile to expand
Start here
Key definitions
Foundational terms used throughout this guide. Click each tile for a plain-language definition.
Common substances
What people are using — and the relative risk in IDD/A
A quick reference to the substances most often encountered in IDD/A care. Each tile opens a brief clinical note.
What gets in the way
Clinical and ethical challenges
The two persistent barriers to identifying and treating SUD in IDD/A populations.
Case learning
Meet the people behind the cases
Click any portrait to read the full case and reflect on practice questions with your team.
Resource hub
Find substance use resources in your state
Click any state on the map for official behavioral-health, treatment, and crisis contacts. National helplines appear alongside every state.
Interactive
Find state resources
Click a state to see official behavioral-health and developmental-disability contacts.
State resources Selected