I think there is a bit of a misnoma that if you have dx benefits system is more understanding - unfortunately, thats not the case. I have a friend who had confirmed diagnosis of schizophrenia who is in work-related group. She is extremely unwell, no question that she is too ill to work r even engage in ‘work related activities’ - but still (for ridiculous and unfair reasons) is in work-related group.
My understanding is that having a specific diagnosis will not necessarily impact as much as you might think on ESA.
As we all know, some people with MS will be able to work, whilst others are not.
ESA decision-making people are aware of this too. They will tell you that a dx of MS does not necessarily mean you are entitled to be put into support-related group. Desion will be made on the tests they give you (interview - which you’ve prob already done); physical tests etc, and then later on they might look at medical evidence (but they are not just looking for evidence in terms of official dx, they want specific evidence of what you can and cant do, ie if you struggle with mobility, they will want to see doctors reports doccumenting this ). It is good that the advisor you saw was proactive and gave you form - they are not all this helpful! and fingers crossed this will help.
I would imagine you may be slightly at a disadvantage by not having official dx - but unfortunately, support-group is notoriously difficult - for anyone with any condition - to get into anyway.
So in my opinion, i’d say there is good news - I am not sure that not having official dx will make as much of a difference as you might think with regard to esa,
and bad news - it is notoriously difficult for anyone (with or without diagnosis) to get into this group.
but thats just my opinion based on my own (and friends!) experiences… other people might have different experiences / advice with this xx