Thank you, Lamb. I appreciate your support. ;3
We've been to the vet very recently, but there's nothing more that they can do for her. The reason she isn't eating is because the issue is literally in her stomach, so they weren't sure if a stimulant would be enough to convince her. I figured we'd give her a regular pain killer (Metacam) to see whether less pain would get her to eat, but in combination with the other medicine it wouldn't be smart, she can barely stand as it is, so I'm not comfortable drugging her up more than I have to.
We did found out she'll eat little bits of chicken, and while it is nowhere near enough, I'm hoping the tiny amount of calories and rest will sustain her long enough for the medicine to take effect. It's a dire situation, but no quite yet entirely hopeless.