Robert G. Hendrickson, M.D.

Robert G. Hendrickson, M.D., is a Senior Professor at Oregon Health & Science University, specializing in clinical toxicology, emergency medicine, and pharmacology. His research focuses on opioid overdose management, substance use disorders, and toxicological emergencies, particularly acetaminophen toxicity and fentanyl exposure. Recent publications include consensus guidelines on out-of-hospital paracetamol triage (2025) and multicenter studies on fentanyl and norfentanyl interpretation in emergency department patients (2026). He has also contributed to position statements on cannabis exposure prevention in children and intravenous acetylcysteine therapy duration. His work addresses disparities in opioid overdose treatment and referral, with international collaborations shaping clinical toxicology guidelines across the United States and Canada.