It is normal for cats to feel depressed after being vaccinated. After being vaccinated, some cats may experience a stress reaction, which is characterized by lethargy, decreased mental status, decreased appetite, etc. This is a normal immune response that usually lasts for 1-3 days, because the vaccine is a A biological agent that, when injected into a cat's body, stimulates the cat's immune system, making it resistant to disease. But it should be noted that if the cat still has no energy after three days, the owner should take it to the hospital for examination in time.

Precautions for cat vaccination:

1. Cats that have just been vaccinated should not take a bath. After being vaccinated, cats have relatively weak resistance. It is better to bathe the cat after a week or half a month to prevent the cat from getting cold, frightened and sick.

2. Keep the cat warm after vaccination, and do not take the cat for a walk outside to prevent the cat from being infected with bacteria and viruses.

3. Pay attention to feeding after the cat is vaccinated. Generally, cats will have some loss of appetite after being vaccinated. However, do not force the cat to eat during this period. The cat should be given time to adjust and recover slowly, and do not feed at this time. Food that is too greasy.