And not necessarily by choice. Some ADHD meds may increase risk of psychosis, study finds A new study sheds light on a rare but potentially dangerous risk of commonly-used medications to treat attention-deficit/hyperactivity disorder (ADHD). Researchers evaluated the two most common types of ADHD medications and found that, while the risk is low, certain drugs have an increased risk of psychosis. "We looked at new users, people who are being prescribed these medications for the first time," Lauren V. Moran, MD, a psychiatrist at McLean Hospital who led the study, told CBS News. "We compared amphetamines, which is Adderall and Vyvanse, to people who were prescribed methylphenidates, which is Ritalin or Concerta. "We found that the Adderall-type drugs had an increased risk of psychosis." Some ADHD meds may increase risk of psychosis, study finds All about big pharma proifits.