The purpose of this scoping review is to systematically identify and describe literature that uses a health equity-oriented (HEO) approach for preventing and reducing the harms of stigma or overdose for people who use illicit drugs or misuse prescription opioids.The question of the review is: What is currently known about the use of an HEO approach for preventing the harms of stigma or overdose when people use illicit or street drugs, or use prescription opioids for other than their intended purposes?Specifically, the review objectives are.