By George from Tuolumne City, CA
Hello, Have you taken your puppy back to the Veterinarian? Please do ASAP, vaccine injection sites can cause an infection. Your Vet needs to know about this.
It isn't common, but does happen. You can read all about it here:
http://www.vetinfo.com/vets/answers ... dog-has-lump-after-getting-his-shots
Add your voice to the conversation. Click here to answer this question.