“…These general themes (e.g., tolerance/withdrawal, access to substance, route of administration, identification) were then compared to empirically supported factors related to risk of substance misuse as outlined in previous literature [i.e., injection drug use ( Kenney et al, 2018 ), higher physical and mental morbidity burdens ( Smolina et al, 2020 )]. More specifically, final annotation codes created to specifically identify imminent substance misuse risk with consideration of unique fentanyl misuse risk factors included: mentions (1) he/she is a regular drug user ( Degenhardt et al, 2010 ), (2) a high substance tolerance ( Darke and Hall, 2003 ) or withdrawal ( Bluthenthal et al, 2020 ), (3) a previous overdose or knowing others who have overdosed ( Britton et al, 2010 ), (4) polysubstance use ( Betts et al, 2015 ; Coffin et al, 2003 ), (5) current access to or actively seeking the substance ( Paulozzi, 2012 ), (6) functional ( Barash et al, 2017 ) and quality of life impairments ( Zibbell et al, 2019 ), (7) intravenous method of use ( Britton et al, 2010 ), and (8) drugs being cut with another substance ( LaRue et al, 2019 ). Factors further extended to seeking advice on dosage or use methods, as well as supportive commenting for risky drug use ( Webster, 2017 ).…”