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. First deworm the cat, make sure there is no abnormality in the cat’s body, and then vaccinate it.

2. Generally speaking, cats need to be vaccinated against feline triplex (feline distemper virus, feline herpes virus and feline calicivirus) and rabies vaccine.

3. When injecting the vaccine, you need to make sure that the cat is in a healthy state and has no abnormal symptoms such as fever, cough, and diarrhea.

4. After the cat is vaccinated, the cat should stay in the hospital for observation for 30 minutes. If there are no problems, the cat can leave.

5. Cats should try not to take a bath for 3-7 days after being vaccinated, reduce walking, and do not feed them randomly.

6. 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.