To-date, only one significant study has looked at ADHD misdiagnosis and found 20-25% of boys were misdiagnosed and this was before ADHD was as common as it is now.

The most common treatment for ADHD is a prescription stimulant such as Adderall or Ritalin.

“According to manufacturers of ADHD stimulants, they are associated with sudden death in children who have heart problems, whether those heart problems have been previously detected or not. They can bring on a bipolar condition in a child who didn’t exhibit any symptoms of such a disorder before taking stimulants. They are associated with "new or worse aggressive behavior or hostility.” They can cause “new psychotic symptoms (such as hearing voices and believing things that are not true) or new manic symptoms.” They commonly cause noticeable weight loss and trouble sleeping. In some children, some stimulants can cause the paranoid feeling that bugs are crawling on them. Facial tics. They can cause children’s eyes to glaze over, their spirits to dampen. One study reported fears of being harmed by other children and thoughts of suicide."