take him to a psych doctor, who doesn't see 50 patients a day, and someone who seems intelligent, and have him tell the doctor what he feels, and thinks.
You might suggest to him that some Australian Bush Flower Essences Cognis might help for better attention span.
As well Calm & Clear Essence for less obsessive repetitive actions (restlessness)
"Australian Bush Flower Healing" by Ian White
ISBN-10: 073380
Yahoo email group discussing Australian Bush Flower Essences
http://health.groups.yahoo.com/group/ABFEstudy/