I have only a tentative diagnosis of possible vestibular problems. I was prescribed vestibular physical therapy to help while I waited to see a specialist. It helped some and helped me figure out to walk more safely, but then the day after the CT that identified the bladder tumor, I fell again, so it's not foolproof. Even though the bad fall was at the end of August, the vestibular specialist they referred me to is so booked up I won't be seeing him until next month. I'll still be undergoing chemo then (and after that, surgery), but I'm not going to give up my appointment and wait another 5 months just to get started. I'm hoping to at least get started on this.

I did try searching for just hypogammaglobulinemia, but didn't find much. I'll try it again with 'discussions' and see if that helps.