Female staffy 5 year old swallon back end peeing on furniture back end not good

My femal staffy who is 5 blue staff back end swallon peeing on furniture ie sofa drinking loads touch her hips she don’t like it any advice on what this could be would be grateful as she a emotional support pet to myself who’s very disabled as bad as this sound cause of all her problems I’ve had to confine to kitchen until find out what’s wrong with her I’m just hoping her back end hasn’t gone

Hello!   Drinking and urinating excessively is a worrying clinical sign in a dog and should be looked into by your vet as soon as possible- possibly even as an emergency, so it's worth letting your emergency vet triage the case now if that's  possible.  It can be a sign of diabetes or of pyometra for example, neither of which should be taken lightly.  I am slightly surprised by you saying that you hope her back end 'hasn't gone' - where I live in England, this tends to be a colloquial way of saying 'can't support her own back legs any more (skeletally),' but I guess that it can also refer to bladder control and continence.  Whatever the cause, please do seek veterinary attention for this dog as soon as possible and we would be interested to hear what happens next and how you get on.  Wishing you both all the best.