Some ADHD medicines may increase psychosis more than others, ‘real-world’ data show

Adolescents and young adults being treated for attention-deficit hyperactivity disorder may be at a higher risk of having a psychotic event if they are provided amphetamine medicines, such as Adderall and Vyvanse, instead of medications based on the compound methylphenidate, such as Ritalin or Concerta, according to a study published Wednesday.