A. It could cause a local reaction on the skin (on the site of injection) which can look like a lump/bump. Pain, redness, and irritation can occur at the injection site as well. These effects generally occur within 30 minutes to 1 week of the vaccination. If the signs persist, or are severe, contact 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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