This article requires a subscription to view the full text. If you have a subscription you may use the login form below to view the article. Access to this article can also be purchased.
Investigators from multiple institutions conducted a retrospective cohort study to evaluate the association of methylphenidate and amphetamine use for ADHD and new-onset psychosis and to assess whether the risk differs based on the stimulant medication used. Data were obtained from administrative claims databases of 2 US health care organizations with national coverage. Patients who were (a) 13–25 years old, (b) had ≥1 outpatient encounter with a diagnosis of ADHD (determined using ICD-9 codes), (c) had a new prescription for amphetamine or methylphenidate between 2004 and 2015, and (d) were continuously enrolled in the health care organization for 1 year before stimulant use were included. Follow-up after an incident prescription continued until …
Individual Login
Institutional Login
You may be able to gain access using your login credentials for your institution. Contact your librarian or administrator if you do not have a username and password.