Swelling after Distemper-parvo Vaccine in dogs

The FDA has received 1,220 reports of swelling in dogs after Distemper-parvo Vaccine. That is 19% of all reports for this medicine, compared with 2.8% across reports for all dog medicines, so it is reported unusually often with this medicine.

1,220Reports
48%Marked serious
49%Recovered
5.3%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
819 72%
1–2 days
89 7.8%
3–7 days
43 3.8%
1–4 weeks
93 8.2%
Over a month
93 8.2%

How the animals did

Recovered
594 49%
Recovered with lasting effects
2 0.2%
Still unwell when reported
455 37%
Died
36 3.0%
Euthanised
29 2.4%
Not known
104 8.5%

Problems reported at the same time

Age of the animals

Under 1 year
226
1–3 years
549
4–7 years
310
8–11 years
100
12+ years
32

About this medicine

Type: vaccine.

Mild, short-lived lethargy, soreness or a small lump at the injection site are the most commonly reported vaccine reactions.

Questions owners ask

Can Distemper-parvo Vaccine cause swelling in dogs?
1,220 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
How soon after a dose was it reported?
In half of the reports with dates, it started within the same day of the first dose.
What should I do?
Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).

Swelling with similar medicines

All reported side effects of Distemper-parvo Vaccine in dogs · Medicines most reported with swelling