Hello:
I have some questions for you:
Awaiting your reply.
Does she normally go outside?
Is she eating and drinking normally?
She could be salivating due to toxin exposure, kidney disease, dental disease, pain, or pancreatitis.
I understand that money is tight, but I recommend getting her into your veterinarian for bloodwork to check her kidneys. If she is in kidney failure this could be life threatening.
Some clinics will take payment plans, but you may have to call around to see who will work with you.
Cat Veterinarian
Doctor of Veterinary Medicine SGU, B.Sc. Animal Science Purdue University