“…Stigmatization in health care settings, in particular, has been found to be highly detrimental to the well-being of substance users with HIV [8,19]. In fact, anticipated or enacted stigmatizing reactions from health care professionals can inhibit both substance use dependence treatment and HIV care [8,20,21] through testing delays [22,23], treatment avoidance [19,24,25], late entry into care [24], non-disclosure of substance use and/or HIV status [19,21,26], and poor access to antiretroviral therapy [27], all of which also impede HIV prevention efforts [19,28]. It is therefore important to engage in efforts to reduce the stigmatization of substance users with HIV in health care settings, and to improve interactions between health care professionals and substance users with HIV.…”