Abstract
AbstractPatterns of illicit and non‐prescribed drug use among a cohort of 100 patients in methadone maintenance treatment were tracked over a 6‐month period. While there were no statistically significant changes in alcohol or heroin use, there were significant increases in the frequency of crack cocaine and cannabis use. Use of non‐prescribed methadone had also increased. Twenty‐one percent reported non‐prescribed methadone use at follow‐up who had not done so at the first interview, with increases also in the mean quantities used. Non‐prescribed methadone use at the second interview was strongly associated with the amounts of both methadone and diazepam prescribed at each of the data collecting points.
Published Version
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