opiates is effective in detecting 6-AM and the positivity rate has doubled from 0.03 percent in 2007 to 0.06 percent in 2012. Also in the NFLIS data, heroin decreased from 2001 to 2005 and has increased since then and is currently the fourth most commonly identified (9.6 percent) drug nationally. Regionally, it represents 17.8 percent of drug identifications in the Northeast and 12 percent in the Midwest.
Amphetamine /
Methamphetamine Use Tracking the use of these stimulants is complex as both of these drugs are available by prescription (e.g. Adderall®, Desoxyn®). However, amphetamine is more commonly associated with prescription use and meth-
amphetamine is more typically associated with illicit use. Amphetamine is also de- tected as a metabolite when an individual uses methamphetamine. In DTI data, there were sharp increases in amphetamine and methamphetamine positivity in 2003 and 2004 followed by sharp declines in 2005 and 2006 as law enforcement efforts and pharmacy restrictions for certain over-the- counter medications limited the availability of illicit methamphetamine crossing the border or being manufactured in clandes- tine laboratories. However, while metham- phetamine positivity continued to decline, amphetamine positivity began to increase and is now at its highest level on record and up more than 200 percent in urine and oral
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datia focus
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