Abstract:This study examined patterns of hydrocodone combination product (HCP) abuse and their potential role in abuse progression of prescription opioids and other drugs. An Internet survey was administered to 472 adult opioid users in the United States who used HCPs nonmedically. Alternate routes (33%) and concomitant drug use (45%) were indicated more frequently during respondent’s most recent HCP nonmedical use compared with their initial use (20% and 24%, respectively). Those initiating HCP nonmedical use during a… Show more
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