It is a normal reaction for a dog to have a fever and lack of energy after being vaccinated. The vaccine stimulates the body to produce an immune effect. The vaccine is weakly toxic. After the dog is vaccinated, under the stimulation of the weak virus, the body will have reactions such as lack of energy, loss of appetite, and low fever, which will usually disappear naturally within a day or two. If your dog's fever is severe, accompanied by diarrhea, vomiting and other symptoms, and lasts for many days, you should take your dog to the hospital for examination in time.

Precautions after the dog has been vaccinated

1. When the dog has just been vaccinated, it should be observed for a period of time, because some dogs will have allergic reactions. , such as body swelling, itching, body tremors, convulsions, etc.

2. After the dog is vaccinated, it is necessary to supplement the dog with some nutrients, which can help the dog to provide resistance. Do not feed the dog food that is difficult to digest and easy to get angry.

3. Do not bathe the dog immediately after the dog is vaccinated. Once the dog catches a cold while bathing, it will affect the effectiveness of the vaccine. Once the dog's resistance is reduced, it is very likely to contract infectious diseases.