Get mebendazole tablets, crush & dissolve in water, syringe into mouth. It binds to tubulin and breaks the worm's metabolic processes, so they fail to respire and die. It's likely she'd bounce back if you got rid of whatever she's parasitised by, but by the looks of things you're better off having her offed. You did regularly worm her, right? It doesn't look like you have.
on-topic:what made your dog sick?
He didn't worm her and she's gotten a gutful of roundworms, which like to take trips through every tissue in the body, notably the lungs, and in some case the brane.