Your puppy / dog should never be left alone after vaccinations are given, as any delay in treatment for allergic reactions to vaccines can be fatal. (miniatureschnauzer.ca)
In mild cases, which constitute the majority of allergic reactions to vaccines, cats may develop hives, itchiness, redness and swelling of the eyes, lips, and neck, and mild fever. (www2.vet.cornell.edu)
Veterinarians have seen very few allergic reactions to this vaccine. (texvetpets.org)