Retrospective observational study on the impact of the Covid-19 pandemic on the prescription of medications for the treatment of Attention Deficit/Hyperactivity Disorder. Comparison of a European and an American cohort.

Background: Attention Deficit Hyperactivity Disorder (ADHD) is a neuropsychological disorder that affects the development of children and adolescents. The causes are not fully known although the origin of the disorder appears to depend on a combination of environmental, social, biochemical, and genetic factors. There is substantial evidence the Covid-19 pandemic caused an increase in mental disorders and therefore in spending related to the treatment of diseases.