I think your living situation can make a big difference as to how likely you are to have attacks. I hope that moving solves your problem or at least alleviates it. Thank you Mila, that really did help. I think I can truly say that I've exhausted the resources I could get out of behavioral or whatever non-pharmaceutical therapies there are for control of panic disorder. I never got much out of the cognitive-behavioural therapy that is supposed to be so helpful.
Antidepressants work, as do high-potency benzodiazepines.
Xanax is a nice choice if you have infrequent attacks because it works fast enough that you can often stave off an attack altogether by taking it as soon as you feel the signs of panic. I think your living situation can make a big difference as to how likely you are to have attacks. I hope that moving solves your problem or at least alleviates it.