yes this is very frustrating. But pretty normal for a neuro. There may be just nothing they can tell you. Took me such a long time to get a diagnosis....I have an autoimmune disorder. I had similar sorts of problems to you and also clear blood work most of the time and nothing showing up in neuro tests mri etc. My problem was diagnosed by an immunologist in the end.

I think it's important sometimes to realise neuro symptoms can be caused by disorders which are not neurological so nothing will show in the brain. If a neuro sees clear tests then they will probably not know what to do with you.

As my specialist explained it to me recently....I have neuro symptoms so he referred me to a neurologist to rule out any active disease in the brain. The mri's etc did rule that out. But a neuro is not really trained to diagnose the kind of disorder I have. The neuro I saw was one with an interest in autoimmune disorders and she was convinced my problems were being caused by an underlying condition but wasn't really well versed enough to say what.

My specialist believes my symptoms are caused by inflammation. That's not going to show up on mri. Consider going to another sort of doctor. An immunologist may be able to help you more. Without knowing a lot more about your symptoms it would be really difficult to suggest anything else.