Skip to content
DrugImpairment.com home
Open menu

Drug Resource Center

The Info You Need on Common Impairing Drugs

All of the information forensic practitioners need about common drugs in a curated single source. The Drug Resource Guides include all of the individual drugs specified in Tier I and Tier II of the Recommendations for toxicological investigation of drug-impaired driving and motor vehicle fatalities—2025 update (opens in a new tab).

  • 50 drug guides
  • 7 DEC categories
  • Tier I & Tier II (2025 NSC)

Not a member yet? See an example guide for Alprazolam.

The previous drug guides remain online for a few more days while we finish peer review of the new editions.

DEC category

Showing all 50 guides

View

All drug guides, A to Z

CNS Depressant 25

For these drugs broken into subcategories, see CNS Depressants: DRE Subcategories.

CNS Stimulant 5

Hallucinogen 4

Dissociative Anesthetic 3

Narcotic Analgesic 10

Inhalants 3

Cannabis 1

Looking for other drugs?

The Drug Detail Page

Key info on over 220 common impairing drugs — DRE category, current trade names, therapeutic ranges where applicable, established pharmacologic class, parent-drug info and notable metabolites.

The Vault

Over 2,200 potential impairing substances, with the expected DRE category and chemical name.

Provide feedback on the drug guides. Members can also Ask an Expert for help.