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Participants with methamphetamine dependence who had used methamphetamine in the 28\u2009days before baseline assessment and completed 3\u2010 and 12\u2010month follow\u2010ups were included (<jats:italic>n<\/jats:italic>\u2009=\u2009323). Unit costs per day\/episode of each treatment type were taken from published literature. Self\u2010reported health services utilisation (HSU) was collected via structured face\u2010to\u2010face and telephone interviews. Hospital admissions were allocated a likely diagnosis grouping from the Australian Refined Diagnosis\u2010Related Groupings. Emergency department presentations were allocated a likely triage category.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Average drug treatment costs per person per year were AU$10,540 (SD 13,995), accounting for 63% of total health\u2010care costs, which were AU$16,862 (SD 19,908). Drug treatment costs of counselling participants were only around 40% of detox and residential rehab participants. However, the HSU costs of detox and rehab participants were approximately 60% lower than those of counselling participants.<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion and Conclusions<\/jats:title><jats:p>Drug treatment costs accounted for more than half of total health care costs, representing a substantial financial burden. Detox and rehab treatment costs more but saved costs in health services use. HSU costs among people who had severe mental health problems and injected methamphetamine were substantially high. Strategies to support these groups are necessary to reduce the cost burden.<\/jats:p><\/jats:sec>","DOI":"10.1111\/dar.14043","type":"journal-article","created":{"date-parts":[[2025,3,23]],"date-time":"2025-03-23T05:55:11Z","timestamp":1742709311000},"page":"1157-1168","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Health\u2010care costs among people who use methamphetamine in Australia"],"prefix":"10.1111","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8677-4637","authenticated-orcid":false,"given":"Anh Dam","family":"Tran","sequence":"first","affiliation":[{"name":"National Drug and Alcohol Research Centre UNSW Sydney  Sydney Australia"},{"name":"NHMRC Clinical Trials Centre, Faculty of Health and Medicine The University of Sydney  Sydney 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