Question - What drug of abuse has been referred to by the following street slang: “D”; “Dillies”; “K4”; “Needle Candy”?
Answer - The street slang terms “D; Dillies; K4; Needle Candy” refer to hydromorphone (Dilaudid) (https://www.dea.gov/sites/default/files/2018-07/DIR-022-18.pdf; accessed August 2019)
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