Drug Resource Center

The Info You Need on Common Impairing Drugs

Drug Resource Guides

All of the information forensic practitioners need about common drugs in a curated single source. Drug Guides 2.0 include all of the individual drugs specified in Tier I and Tier II of Recommendations for toxicological investigation of drug-impaired driving and motor vehicle fatalities—2025 update

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DrugImpairment.com extends our gratitude to the members of our Drug Guide Advisory Panel for their amazing assistance in compiling and reviewing information for the Drug Resource Guides. 

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Check out the Drug Detail Page

Key info on over 220 common impairing drugs.

  • Frequently updated
  • Access from anywhere
  • Easily searchable
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    • What's included on the Drug Detail Page?*

  • DRE Category
  • Current Trade Names
  • Therapeutic ranges (where applicable)
  • Established Pharmacological Class
  • Parent drug info
  • Notable Metabolites

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    The Vault Contains Over 2,200 Potential Impairing Substances, Expected DRE Category, and Chemical Name
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