Getting An ADHD Diagnosis Joining an online support group is a good idea if you've been diagnosed with ADHD. These groups are reassuring and helpful, and can provide advice and treatment options. Support groups can be found in person or online. Many adults are hesitant in seeking an ADHD diagnosis. http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1557873