Substance Use · IDD / Autism

Practice Guide

People first, always.

A trauma-informed, person-centered field guide for everyone supporting people who live at the meeting point of substance use and IDD / Autism — built for action, not just reference.

A counselor and a young man with Down syndrome laughing together over coffee
A note on language

Every example in this guide is grounded in a real person. We use identity-first and person-first language interchangeably — the community is not a monolith.

Personalize this guide

Who are you reading this as?

Your selection shifts emphasis and language across every page.

Three pillars

Start where you need to.

By the numbers

Why this guide exists

2–3×
Higher exposure
to trauma vs. general population
<20%
SUD programs
report IDD/A-adapted curricula
1 in 6
Adults with IDD
report risky substance use
0
Reasons
to exclude — only reasons to adapt
Voices

Real people, real stakes

I do better when someone shows me what to do instead of just telling me.
Marcus, 24
Lives with autism + alcohol use
I wish the first counselor we met had been trained for both — not just one.
Dana
Sister & support person
Screening tools designed for IDD/A change who we even see in the door.
Dr. Patel
Addiction medicine MD
Test your assumptions

Myth or fact?

Myth vs. Fact · 1/12
Myth

People with IDD don't use substances.

The guide

11 chapters, end to end

Read straight through, or jump to whatever you need — every page stands alone.