Novel Psychoactive Substances

Tusi, also known as “pink cocaine”, is a relatively new drug concoction that originated in Latin America and has been increasing in prevalence in the US. This course will focus on the origins of this concoction and the shifting epidemiology of use. Particular focus will be paid the drugs this concoction typically contains including ketamine and various stimulants such as cocaine, MDMA, methamphetamine, and synthetic cathinones. Information is intended to inform prevention efforts as this concoction is rapidly shifting the illicit stimulant landscape in the US.

Interested in learning more about NDEWS? Join us for our annual summit! The NDEWS 5th Annual Summit will be held on Saturday, June 13 from 2:00–6:00 pm PT as a hybrid event. While registration for the CPDD conference is not required to attend the NDEWS Summit, we encourage you to register and join us for additional presentations by NDEWS Coordinating Center and Early Warning Network.

NDEWS Rapid Street Report (RSR) reports are published in the NDEWS Weekly Briefing and then archived here. These reports summarize anonymous self‑reported substance use covering the past 12 months and past 30 days, collected during RSR data collection visits to different sites across the US, with select…

This Week’s Focus: Overdoses Across the United States This week’s briefing focuses on overdoses across the United States. Data-driven insight from our latest NDEWS Special Report looks at EMS encounters for nonfatal overdoses at the county level across the US and breaks down the trends of the top-10 counties.

Following the NDEWS 4th Annual Summit, members of the NDEWS Coordinating Center (CC) will present a late-breaking abstract, an oral presentation, symposiums, and posters showcasing our latest data while at CPDD. In addition to presenting at CPDD, NDEWS Director, Dr. Linda Cottler (MPI), will deliver the keynote during the 2025 CPDD/RSA Joint Program focusing on NDEWS.

Subscribe here to receive the Weekly Briefing in your email. Every week, NDEWS will send out a Weekly Briefing newsletter with curated information on recent and relevant news, articles, and data related to drug trends in the United States and globally. While this communication method is primarily unidirectional…

Rapid Street Reporting (RSR) is a national venue-intercept study focused on the NDEWS Sentinel Sites as well as “hotspot” locations. Hotspot sites are identified using US overdose trends captured in EMS encounter data from biospatial.io…

The NIDA-funded NDEWS Coordinating Center at UF The National Drug Early Warning System (NDEWS), funded to the University of Florida by the National Institute on Drug Abuse (NIDA), provides the field with timely, salient, and valuable information on emerging…