Prescribed medicines (Table 
More participants took daily prescribed OST (115 (89.8%) than smoked or injected heroin (77 (60.1%). In contrast, fewer people (13 (10.2%) received prescribed diazepam, than reported problem street valium use (112 (87.5%). None of the participants reported receiving counselling or other psychological behavioural therapies. Ninety-one per cent of participants had at least one (self-reported and/or confirmed by case notes) mental health problem; however, only half (67 (52.3%) were receiving any mental health treatment, most commonly antidepressants followed by anxiolytics (including diazepam) and antipsychotics.Almost all (97%) of participants had multiple treatable current physical health problems (Table Prescribed medicines (*CurrentData missing 