Probably then you need to sort certain things in your well-being in order to ascertain whether some aspects are autism as there are attributes to psychosis such as disorder in communication and thought processes that have similar variables to autism.

Anti psychotics will most likely help if youre psychotic. They are being offered so if its an issue why not go for it?

Rehab will help with your drug addiction. It will also be easier to diagnose mental illness without this as a factor.

There is no pill or anything for autism. You can get practical help with managing things which in the mean time you can source online and put into practice even without a diagnosis.

If they are saying that these things need to be addressed first, I would consider jumping through their hoops if its what you really want and need.