Doxepin is also used to treat depression too, so it may be helping, especially at the double dose.

As Donna wisely said, try to work on the depression, then the eating. It think it's harder for people to control overeating when they are depressed
But I'm sorry that it's a problem that is bothering you so much. I avoid weighing myself if I expected my weight was up unless I was dieting hard

How is Abby doing, and how is it going giving her the meds?