Amitriptyline / perphenazine
"This medicine saved my life when I was 17 years old and so agoraphobic, with panic attacks multiple times a day.  This was back in 1969, and within 6 weeks, I began to go out and go to college and do all the things a normal person does.  I used it for many years, though with a lessened dosage.  It seems especially good for anxiety attacks.  While they did not entirely go away, seemed to lessen them to the extent that they were a minor occasional nuisance rather than something that prevented me from living a normal life and leaving the house.  Yes, psychotherapy also helped, but before this medicine, I had been in therapy for three years and the anxiety/panic only got worse.  Of course, this is just one person's experience."