What do you do if a patient with ADHD on dexamfetamine for many years develops Alzheimer's disease?

The issue with the diagnosis of ADHD is that adult-onset ADHD particularly, in my opinion, has major validity problems including a wide differential diagnosis, with no biomarkers. Also, it is now thought that Alzheimer's disease has a long prodrome (15-20 years) from being asymptomatic to having pro...

I am afraid your question is unclear.