Xylazine prevalence and concentration in the Los Angeles fentanyl market, 2023-2025

By afschroeder • August 5, 2025

Friedman J, Molina CA, Koncsol AJ, Romero R, Godvin ME, Jalayer E, Davila S, Arellano O, Cowan A, Hurley B, Shover CL. Xylazine prevalence and concentration in the Los Angeles fentanyl market, 2023-2025. Drug Alcohol Depend Rep. 2025 Jul 22;16:100364. doi: 10.1016/j.dadr.2025.100364. PMID: 40762020; PMCID: PMC12320180.

Tags: Epidemiology, General Internal Medicine, Overdose crisis, Publications, Quantitative, Trend analysis, West Coast, Xylazine

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