What to do if a cat vomits without eating:

1. If the cat eats randomly and ingests foreign objects that cause discomfort, you need to take measures to induce vomiting, such as using cat grass. Or use soapy water to induce vomiting and let the kitten spit out the foreign objects on its own.

2. If the cat suffers from hair ball syndrome and causes vomiting without eating, you can help the cat groom its hair and feed the cat appropriate cat grass to help the cat expel the hair ball.

3. If the cat has cat plague. Fluid therapy is needed to correct dehydration and maintain blood pressure.

4. If the cat has indigestion and overeats, causing indigestion and vomiting, you can control the amount of food the cat feeds and eat some probiotics to regulate the stomach.

5. If the cat is infected with a digestive tract disease and causes vomiting without eating, you need to take the cat to the hospital for examination and timely treatment.