About The Study: During 2012 to 2023, the prevalence of injecting methamphetamine only or both methamphetamine and opioids increased significantly among people who inject drugs entering treatment, including in areas where methamphetamine injection was previously rare (e.g., the Northeast). These findings build on prior work showing increases in opioid and methamphetamine co-use (regardless of route) among people who inject drugs before the COVID-19 pandemic.
Corresponding Authors: To contact the corresponding authors, email Eshan U. Patel, PhD, MPH, ( epatel6@jhmi.edu ) and Aaron A. R. Tobian, MD, PhD, ( atobian1@jhmi.edu ).
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(doi:10.1001/jama.2025.20347)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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