Here’s the NICE Guidance on all the MS treatments :-
It’s strange, I can’t find a treatment called “wait and see”!
If you were diagnosed in 2018 with MS, then that seems to be a base criteria for most treatments. You aren’t happy with waiting for a treatment, so what is your Neuro waiting for – it’s not their body!
Neuro’s can be arrogant, so you do need to speak up for yourself. If you want something, then you need to assert yourself and demand it. Just do it politely.