What are the adverse effects of vaccination in dogs?

It is possible for dogs to have adverse reactions to vaccinations, but not always. Possible reactions in dogs after vaccination: a. Local reactions, pain, redness, swelling, hardness, etc. at the injection site, which are usually eliminated on their own. Second, systemic reactions, dogs may have systemic allergic reactions after vaccination, manifested as large red spots, rashes, numbness of the limbs, etc. These reactions need to be brought to the hospital for treatment.