Application site reaction after Distemper-parvo Vaccine in cats

The FDA has received 40 reports of application site reaction in cats after Distemper-parvo Vaccine. That is 14% of all reports for this medicine, compared with 8.1% across reports for all cat medicines, so it is reported unusually often with this medicine.

40Reports
63%Marked serious
33%Recovered
5.0%Died or euthanised
2 daysTypical onset
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How soon it started

Same day
6 18%
1–2 days
11 33%
3–7 days
10 30%
1–4 weeks
5 15%
Over a month
1 3.0%

How the animals did

Recovered
13 33%
Still unwell when reported
5 13%
Died
2 5.0%
Not known
20 50%

Problems reported at the same time

Hair loss
29 73%
Itching
10 25%
Skin redness
10 25%
Vomiting
4 10%
Skin ulcer
3 7.5%
Drooling
3 7.5%
Lethargy
3 7.5%
Swelling
3 7.5%

Age of the animals

Under 1 year
8
1–3 years
13
4–7 years
9
8–11 years
8
12+ years
2

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 application site reaction in cats?
40 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 2 days 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).

Application site reaction with similar medicines

All reported side effects of Distemper-parvo Vaccine in cats · Medicines most reported with application site reaction