Can stimulant medications either “cause” psychosis or make it worse?

This article was first published on May 12, 2024. It was last reviewed, updated, or edited on May 20, 2024. Question from a Member (emphasis in red added by us): I would like to start my patient on lisdexamfetamine (Vyvanse) for ADHD after failing non-stimulants. She is very functional, but her paranoia about her ex-husband trying…