Abstract

Attention deficit hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorder. It is a persistent and complex condition that affects all areas of life. Patients with ADHD often have comorbid disorders, including substance use disorder (SUD). The aim of this narrative review is to highlight the problem of substance use disorder in patients with ADHD and to summarize the studies conducted so far which indicate the importance of recognizing ADHD in patients with SUD. Research suggests that early recognition of ADHD and its treatment can prevent, i.e. reduce the risk of substance use disorder in some individuals. The overlap between the symptoms of ADHD and SUD makes ADHD difficult to diagnose. In patients with ADHD, addiction sets in earlier, there are more relapses and the problems are more complex, requiring a different treatment and approach compared to patients with SUD who do not have ADHD.