A cat that vomits yellow water but does not eat or defecate may be suffering from hair ball syndrome. The cat needs to be fed hair removal cream to help the cat eliminate hair balls from the body. If a cat vomits yellow water, refuses to eat or defecate, or has gastroenteritis, it can fast for 12-24 hours, providing only water during this period, and then feed an appropriate amount of nutritious and light cat food, and use pet probiotics to regulate the gastrointestinal tract. A cat that vomits yellow water and does not eat or defecate may be poisoned. A poisoned cat may vomit, not eat, and not defecate, especially if it is poisoned by mosquito coils. It is recommended that the owner have the cat’s biochemistry tested to see which organ is damaged.

Why cats don’t like to eat:

1. The quality of cat food is too poor. Cat food ingredients contain too little meat, and this kind of cat food cannot stimulate the cat's appetite. You can replace it with high-quality cat food or pet cans.

2. Cats are picky eaters. Cats who eat meat for a long time become picky eaters and are not interested in cat food. Cats usually start eating after being hungry for two meals.

3. The cat is sick. Loss of appetite caused by disease factors is usually accompanied by depression and other symptoms, which requires prompt medical treatment.