How long does it take for a cat to regain its appetite after being vaccinated?
Cats typically regain their appetite about five days after vaccination. During this period, it's best to feed them soft foods to avoid irritating their digestive system. Cats may experience drowsiness and vomiting after vaccination, but these are generally not serious. It's also important to avoid taking your cat outside for a short period after vaccination to prevent affecting the medication's effectiveness. 
After a cat is vaccinated, it usually takes about five days for its appetite to return. During this period, it is best to feed it some liquid food and try not to feed it dry or hard food to avoid irritating its stomach and intestines.
After a cat is vaccinated, it may experience side effects such as drowsiness and vomiting. These usually do not have a significant impact on the cat. However, if the cat's reaction is too severe, it is best to take it to the vet for a check-up.
Cats typically need 1-2 weeks to develop antibodies after vaccination, so it's best to avoid taking them outside for a short period to prevent them from catching a cold and getting sick, which could affect the effectiveness of the medication.