What's in 112 samples sold as benzodiazepines?

How often are drug types found together in confirmed drug checking results?

A given drug sample can have multiple positive results. On way to examine these results is to look at how often things occur together. In the heatmaps below, we present the percentage of samples testing positive for the pair of drugs or drug categories listed (ignoring the presence of all other drugs). The diagonal (where the column name and row name are the same) represents those samples testing positive for only that drug category (these samples may have tested positive for a drug category not listed here). The rows and columns are ordered from largest to smallest share of drug checking samples, alone or in combination. For more details on drug categories named, click here.

For example, if you mouse over the row marked Non-Rx benzos and the column marked Rx benzos, you can see that one sample was positive for one or more legal and illicit benzodiazepines, together in one sample. The Non-Rx benzos alone cell (Non-Rx benzos row and Non-Rx benzos column) indicates that 71% were positive for illicit benzodiazepines and no other category here. The Rx benzos alone cell indicates 12% were positive for legally available benzodiazepines and no other represented drug category. Moving along the Ketamine row or column indicates that 3 of the illicit benzo samples had ketamine, 1 of the legal benzo samples had ketamine, 1 sample had ketamine and methamphetamine along with a benzodiazepine (with the Meth column/row indicating it was an illicit benzo), and 1 sample had ketamine and fentanyl along with a benzodiazepine. The Non-Rx benzos and Fentanyl cell indicates this latter sample contained an illicit benzo along with the ketamine and fentanyl. Five samples sold as a benzodiazepine tested positive for neither a benzodiazepine nor any other drug category presented here.

Data notes

Drug testing sites can do little about potential cross-contamination: The container a client used may or may not have been used before. Therefore, any unusual combination may be due to cross-contamination and not represent drugs actually sold together. Results are cumulative and reflect all confirmatory testing results as of 12:15PM PST 17 December 2024.

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