Recurring concern
Unreliable information about the contents of illicit drugs
First reported 15 May 2015•Latest report 30 Jun 2023
What this concern includes
Includes failures or hazards involving illicit or unregulated drugs whose contents, composition or active substances are unknown or not reliably communicated to users, including potent synthetic opiates and comparable unregulated products.
Not included
- Excludes regulated medicines and products where contents are reliably specified and controlled.
- Excludes general drug availability, supply or access-control failures when uncertainty about the contents is not the unsafe condition.
- Excludes toxicity, overdose or treatment failures where the drug contents were known and the deficient control lies elsewhere.
- Excludes product labelling concerns unrelated to illicit or unregulated drugs.
- Reports
- 2
- Individual concerns
- 2
- Date range
- 2015–2023
- Stated actions
- 0
Distinct published reports
A report can raise multiple concerns
First to latest report issue date
Described in published responses
Reports over time
Reports over time
Reports about this concern issued each year.
* 2026 is projected from reports observed to 7 Sep 2026.
Most frequent recipients
Most frequent recipients
Reports about this concern sent to each recipient.
Concerns and responses across reports
Only concerns grouped under this recurring concern are included. Select any concern, action or position to view the source wording.
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Concerns raised1
Uncertainty about the contents of illicit potent synthetic opiates
This report raised 2 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concernsEach statement is shown once, even when linked to more than one concern.
No linked response statementsNo respondent-stated action or position is linked to these concerns in the published data.
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Concerns raised1
Unknown and potentially contaminated composition of Internet-supplied drugs
This report raised 4 other concerns. They are not shown here because they do not form part of this recurring concern.
Responses linked to these concernsEach statement is shown once, even when linked to more than one concern.
No linked response statementsNo respondent-stated action or position is linked to these concerns in the published data.
Data last updated 7 September 2026