About two months ago, I discovered that my cat lost one of her canine teeth. She had trouble eating and has lost a lot of weight. I also noticed that she drooled. In a few weeks, I also observed that her fur became crusty. After a couple weeks she began losing a lot of fur. Now, she seems to be eating better because we give her appropriate food. But, she is still drooling and is missing a lot of her fur from her legs, some on her tail, and some on her ears and face. We can't take her to the vet right now because we don't have enough money. Can you provide any help on what could be causing the fur loss and drooling? What can we do to help her get better?