Why does my dog ​​have a fever and lack of energy after being vaccinated?

After the vaccine is injected, as the immune system begins to react, you may experience symptoms such as fever, mental deterioration, loss of appetite, lethargy, etc. These are normal reactions and will usually recover on their own in 1-3 days. Don’t worry too much about it. You can give it It eats easily digestible liquid or semi-liquid food and keeps plenty of water.

The dangers of vaccine allergy:

Some puppies may have severe reactions such as shock after being vaccinated, so it is best to stay in the pet hospital for 30 minutes after the vaccine is injected to confirm that the puppy has no abnormal reactions before leaving.

Symptoms of vaccine allergy:

Severe allergic type: Most symptoms occur within 2 minutes. The main clinical symptoms are elevated body temperature, rapid heartbeat, shortness of breath, mental stress and then lethargy, dull eyes, disheveled coat, cold nose, soft neck, and unsteady limbs. He was in a crawling and lying position and his condition was critical.

General allergic type: The onset usually occurs about 10 minutes after injection. The main clinical manifestations are itching all over the body, facial swelling, depression, dull eyes, slow reaction, weak limbs, weakness in movement, and deep and slow breathing.

Treatment of vaccine allergy:

Due to individual differences, dog allergic reactions can range from mild to severe. Some dogs will not have severe allergic reactions within a short period of time after being vaccinated. Therefore, owners need to continue to observe after taking their dogs home. If you find itching all over the body or facial swelling, it means you are allergic, and you should go to the hospital for desensitization injections.