Injection drug use is the second most common HIV risk behavior in the
United States, but little is known about injection drug use and needle
-sharing behavior among street youth, a group at high risk for HIV inf
ection. This study investigates the drug use histories, injection drug
use behaviors, and needle-sharing practices of 106 injection drug usi
ng youth in Los Angeles, California. Respondents report high rates of
injection drug use and needle sharing, indicating that these youth are
at particularly high risk for HIV infection. Results suggest a need f
or outreach services tailored to the unique needs of injection drug-us
ing adolescents.