Red and swollen eyes of dogs after vaccination are caused by allergies. Vaccines are biological products and have a certain probability of causing allergies in dogs, which is related to the breed and physical condition of the dog. If allergies occur, you need to go to the pet hospital for desensitization injections in time and pay attention.

Notes on dog vaccination:

1. The newly purchased dog should be raised at home for 10 days to allow the dog to adapt to the home environment. After a week, it should be given a physical Deworm internally and externally, and get vaccinated after another week.

2. After the cat is vaccinated, the cat may have allergic symptoms such as head swelling, facial swelling, small red rashes on the body, etc. Therefore, after the cat is vaccinated, the owner needs to wait for half a day to observe the cat. Leave after an hour.

3. It is not recommended to bathe during the vaccination period. It is recommended to bathe the dog after all vaccinations are completed.