Join Date: Apr 2008
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Our vet had us pick up a special antihistamine that we were to give to Linus 20 minutes before shots so he would not have a reaction. It worked great! I would definitely ask about it for next time. You might see or feel a lump on the injection site in the next few days. This sometimes happens with reactions. It can take a month or more to go away.
The main thing is to make sure your puppy's face or mouth is not swelling, but this usually happens pretty quickly. It sounds like your puppy's reaction is a more mild one.
Good luck and take care,