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SENTRY Watches

A DrugAlert Warning will combine the qualitative data collected in the DrugAlert Watch phase with quantitative data collected by NDIC analysts and our partners. Quantitative data may come from sources at a variety of partner agencies. We will also gather data from new sources such as state-level prescription drug monitoring programs and state early warning systems. At the warning level, agencies may be able to respond to the trend with formal action. Warning-level action might consist of law enforcement agencies identifying and targeting the source-of-supply for local distributors or treatment providers beginning formal studies into short- and long-term physical and psychological effects of abuse of the drug.

Please note: the National Drug Intelligence Center (NDIC) regrets to inform SENTRY users that the agency will no longer operate the SENTRY program as of November 1, 2011. However, NDIC will continue to produce and disseminate current intelligence reporting on new drugs and emerging trends to its customers, including former SENTRY users. Such reports will be listed below. While SENTRY users can continue to provide input to NDIC via the SENTRY email address at, individuals are encouraged to provide information to NDIC via

Many federal agencies, including NDIC, are operating with decreased funding and making difficult decisions to balance agencies' missions with fiscal reality. NDIC appreciates the past participation of all SENTRY users and encourages them to continue providing drug-related information to NDIC.

Portable Document Format files (PDF) may be viewed with a free copy of Adobe Acrobat Reader.

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Huffing: It Isn't Done Just By Kids
The abuse of inhalants or "huffing," may be more prevalent among the adult population than among adolescents in the United States; adults currently make up more than half of those who seek treatment for huffing. In March 2011, the Substance Abuse and Mental Health Services Administration (SAMHSA) reported that in 2008 (the latest year for which statistics are available), of those individuals who sought treatment for abuse of inhalants, 54 percent involved adults aged 18 or older. Huffing can result in psychoactive effects similar to LSD and PCP. Glues, lighter fluids, nitrous oxide, shoe polishes, and spray paints are some of the most commonly huffed substances.
October 25, 2011  EWS 000012   pdf  (480 KB)

If you have questions or comments about SENTRY or NDIC intelligence products, please e-mail us at

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National Drug Intelligence Center General Informtion
NOTE: On June 15, 2012, the National Drug Intelligence Center will close. This web site will no longer be maintained. The documents that are currently on this site may contain dated information. They remain available to provide access to historical materials.
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