Lethargy after Distemper-parvo Vaccine in dogs

1,661 reports to the FDA describe lethargy in dogs given Distemper-parvo Vaccine. That is 26% of all reports for this medicine, compared with 11% across reports for all dog medicines, so it is reported unusually often with this medicine.

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How soon it started

How the animals did

Problems reported at the same time

Age of the animals

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 lethargy in dogs?

1,661 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 1 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).

Lethargy with similar medicines

• Lethargy after Rabies Vaccine 2,418 reports · 24% of its reports
• Lethargy after Bordetella Vaccine 2,356 reports · 25% of its reports
• Lethargy after Leptospirosis Vaccine 1,929 reports · 24% of its reports
• Lethargy after Lyme Vaccine 600 reports · 8.6% of its reports
• Lethargy after Bordetella Vaccine + Distemper-parvo Vaccine 24 reports · 29% of its reports

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