Puppy First-Year Vaccine & Vet Guide
Common and mild (usually gone within 24 hours): soreness or swelling at the site, tiredness, mild fever, lower appetite. Intranasal vaccines can cause sneezing or mild cough 2 to 5 days later (AVMA).
Get care immediately for: collapse, persistent vomiting or diarrhea, severe coughing, trouble breathing, hives, or facial swelling (AVMA).
A small lump at the site should fade in a couple of weeks; call your vet if it lasts over three weeks, hurts, or grows (AVMA).
Info may be outdated. Verify with the source.
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