The Overlap of ADHD and GAD Generalized anxiety disorder (GAD) and attention deficit hyperactivity disorder (ADHD) can share similar symptoms and treatments.  You are also more likely to have anxiety if you have ADHD. What is GAD? Symptoms of GAD include persistent and uncontrollable worrying, feeling on edge, and experiencing irritability and insomnia.  People with GAD may feel anxiety more frequently about finances, health, relationships, and work. The diagnosis of GAD occurs [...]