Comorbidity and Differential Diagnosis

Body dysmorphic disorder (BDD) has many distinct features; however, it shares clinical characteristics with and has high rates of comorbidity with particular mental health conditions, including obsessive-compulsive disorder (OCD), social anxiety disorder (SAD), major depressive disorder (MDD), substance use disorders (SUD), and eating disorders (ED). In this chapter, we will review the similarities and differences between BDD and these mental health disorders. We will also discuss the differences between BDD and gender dysphoria.