Hypertrophic and atrophic scars.

DisCussion Two recent reports by the US Department of Health and Human Services indicate recent trends in heroin use. The 2001 National Household Survey on Drug Abuse found that heroin incidence rates rose during the 1990s. There were 146,000 new heroin users in 2000 (1). Data from the Drug Abuse Warning Network (DAWN) report estimated that heroin was involved in 162,137 emergency department visits in 2004 (2). DAWN data also revealed that there were 4820 heroin-related deaths in the USA in 1999 (3). A recent nationwide survey demonstrated that 2.4% of students had used heroin one or more times during their lifetime (4). Recognizing the cutaneous manifestations of parenteral drug abuse may allow for early recognition, intervention, and rehabilitation for the otherwise recreational user (5).