Mental health services here are criminally underfunded
Par for the course in the USA.
He has been seeking that help, but it was only after being annoying for years that he got a doctor to agree to prescribing Adderall.
Also, par for the course in the USA. Recently, Adderral has been undergoing a DEA mandated supply shortage and since the 00s doctors really have been averse to prescribing it, in particular. There are now non-stimulant alternatives with less side effects.
What I am saying though, is that he needs a social worker to be spending an hour every week with him. If he is on Medicaid, due to his financial and medical situation, then he should be readily approved for the “skills training” side of mental/behavioral health care, which often comes from a social worker.