Cats regain their appetite about five days after vaccination. During this period, it is best to give it some liquid food to avoid irritating its gastrointestinal tract. After cats are vaccinated, they may also experience lethargy, vomiting, etc., which generally do not have much impact on cats. It usually takes 1 to 2 weeks for a cat to develop antibodies after being vaccinated, so it is best not to take it out for a short period of time to avoid catching cold and getting sick, which will affect the effectiveness of the medicine.

Solutions for cats with loss of appetite after vaccination:

1. If a cat has a loss of appetite after being vaccinated, it is normal and there is no need to worry too much. The owner can feed the cat an appropriate amount of nutritional paste to supplement the energy needed by the body, provide enough drinking water, and take measures to keep warm.

2. It is recommended to prepare some cat probiotics for cats, which can be mixed with daily food or given to cats alone to promote digestion, enhance appetite, and improve cats' lack of appetite.