A. Pain, swelling, redness, and irritation can occur at the injection site. These effects generally occur within 30 minutes to 1 week of the vaccination. If the signs persist, or are severe, I would recommend to contact and take him back to your veterinarian.
Occasionally, abscesses can form at the injection site. These abscesses are generally not caused by infection, but by the body's over-reaction to the vaccine.
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