Notes from the Field: Illicit Benzodiazepines Detected in Patients Evaluated in Emergency Departments for Suspected Opioid Overdose — Four States, October 6, 2020–March 9, 2021

* The ToxIC Fentalog Study Group is conducting this study from 2020-2025. Data presented are part of an ongoing effort to assess the role and prevalence of novel substances in participating regions throughout the duration of this project. Chart review was performed via the patient’s electronic medical record at the site by the medical toxicologist, the trained research assistant, or both. Reason for exposure was documented in the patients initial ED notes. Illicit Benzodiazepines Detected in Patients Evaluated in Emergency Departments for Suspected Opioid Overdose — Four States, October 6, 2020–March 9, 2021 Kim Aldy, DO1,2; Desiree Mustaquim, PhD3; Sharan Campleman, PhD1; Alison Meyn, MPH1; Stephanie Abston1; Alex Krotulski, PhD4; Barry Logan, PhD4,5; Matthew R. Gladden, PhD3; Adrienne Hughes, MD6; Alexandra Amaducci, DO7; Joshua Shulman, MD8; Evan Schwarz, MD9; Paul Wax, MD1,2; Jeffrey Brent, MD, PhD10; Alex Manini, MD11; the Toxicology Investigators Consortium Fentalog Study Group