[Wylie's Mom]

Originally Posted by Ellie May

Most vets give them at the same time because they just really don't know any better. So, give as few as possible at one time. If there is a reaction you will be able to tell better what one is causing it and not give that one anymore. Giving too many at once can overwhelm the immune system and that could lead to negation of immunity. Because the rabies shot is most likely to cause reactions, it is best to just give it separate.