Medications For ADHD And Anxiety Anxiety and ADHD are frequently co-existing disorders, and the symptoms of either can exacerbate each other. Anxiety symptoms can also worsen when stimulants are used to treat ADHD. Numerous studies have shown that people who have comorbid ADHD and anxiety are less responsive to psychostimulants. https://www.iampsychiatry.com/adult-adhd-medication