@emyliander Three sessions of pelvic floor PT does seem like a very short amount of time for them to help that much. I assume along with the sessions you do the exercises at home also though.
It sounds to me as if perhaps your diet changed when you were away and that's what gave you relief. It will be interesting to see if now that you are home your problems resume. As I have mentioned, when I had these problems I tried eliminating various things, never even dreaming it could be lactose. Then I started noticing that on the days when I had a lot of food with lactose my problem was more severe. I have eliminated lactose and the problem is gone. When I am out and think a smidgen might be hidden in something I am served I take two Digestive Advantage Lactose Defense tablets before eating. I find them to be much more effective than Lactaid. Lactaid did not help me at all.