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Hello and thank you for using JustAnswer. So there is good news and bad news here; most likely your son is not suffering from a permanent disorder like Bipolar Disorder or Schizophrenia, but the bad news is that the Adderall abuse is the most likely culprit for these symptoms you described. Your son is experiencing delusions of grandeur which is a psychotic symptom and can be a result of Adderall abuse because Adderall causes an increase in Dopamine and too much Dopamine can result in psychotic symptoms. The good news though is that if your son stops the Adderall medication or at least tapers it off to a more sustainable level and considers taking an antipsychotic medication for 1-3 months these symptoms will resolve and not come back. So right now your son needs to stop the Adderall as this is the most likely cause of his symptoms; I would recommend he see a psychiatrist immediately to begin a tapering schedule and to start on a temporary regimen of an atypical antipsychotic. Overall though, these symptoms are not permanent and your son will return to normal functioning once the Adderall is discontinued.
I hope this answers your questions and gives you some guidance on this issue. Please let me know if you have any questions or concerns as I am happy to assist and support you regarding this issue.
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