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°Õ³ó±ðÌýIllicit Drugs Reporting System (IDRS) is a national drug monitoring system that has been conducted annually since 2000. Its purpose is to identify emerging trends of local and national concern in illicit drug use, markets and harms. The system is part of the broader Drug TrendsÌý±è°ù´Ç²µ°ù²¹³¾.

This bulletin explores pharmacotherapy dose characteristics and takeaway dose access among participants recruited through the 2024 IDRS project, with a focus on differences by jurisdiction, age and gender.

Recommended citation

Sumner, M., Wilson J., Lloyd, Z., Petrovic, B., Higgs, P. & Dietze P. Pharmacotherapy doses amongst a sample of people who inject illicit drugs in Australia, 2024. Drug Trends Bulletin Series. Sydney: National Drug and Alcohol Research Centre, ºÚÁÏÍø´óÊÂ¼Ç Sydney; 2025. Available from:

Funding and copyright

Drug Trends is supported by funding from the Australian Government Department of Health, Disability and Ageing under the Drug and Alcohol Program.

©NDARC, ºÚÁÏÍø´óÊÂ¼Ç SYDNEY 2025 

This work is copyright. You may download, display, print and reproduce this material in unaltered form only (retaining this notice) for your personal, non-commercial use or use within your organisation. All other rights are reserved. Requests and enquiries concerning reproduction and rights should be addressed to the information manager, NDARC, ºÚÁÏÍø´óÊÂ¼Ç Sydney, NSW 2052, Australia via drugtrends@unsw.edu.au.

• Pharmacotherapy doses amongst a sample of people who inject illicit drugs in Australia, 2024

For further information: Paul.Dietze@burnet.edu.au