ADHD Assessment in Swansea It can be difficult to diagnose ADHD. It is recommended to speak with your GP first, and explain why you believe you have ADHD. They should consider you a serious case and refer you for an assessment. There are lengthy waiting times for NHS ADHD tests, https://laneiftfv.like-blogs.com/29691118/a-guide-to-adhd-diagnosis-private-from-beginning-to-end