Does you Cat have any liquid or crust on husband nose or eyes? It could be something like a respiratory infection or something. I am not a vet, but you should probably take your Cat to one of the problem persists. It could be hairball, infection, cancer, or stuck catnip... best of luck and...
I agree with the other commenters, get her to vet ASAP and worry about the costs later, you can always set up a GoFundMe or similar if you need help with payments :) please tell us how your Kitty is!!!