Didn't stop worms after Rabies Vaccine in dogs

The FDA has received 113 reports of didn't stop worms in dogs after Rabies Vaccine. That is 1.1% of all reports for this medicine, compared with 8.4% across reports for all dog medicines, so it is reported less often than average with this medicine.

113Reports
25%Marked serious
16%Recovered
5.3%Died or euthanised
51 daysTypical onset
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How soon it started

Same day
12 17%
1–2 days
1 1.4%
3–7 days
3 4.2%
1–4 weeks
16 23%
Over a month
39 55%

How the animals did

Recovered
15 13%
Recovered with lasting effects
3 2.7%
Still unwell when reported
15 13%
Died
3 2.7%
Euthanised
3 2.7%
Not known
74 65%

Problems reported at the same time

Didn't work as expected
32 28%
Diarrhea
26 23%
Vomiting
23 20%
Loss of appetite
10 8.8%
Lethargy
9 8.0%
Blood problems
6 5.3%
Liver problems
6 5.3%
Didn't stop fleas
5 4.4%

Age of the animals

Under 1 year
27
1–3 years
38
4–7 years
27
8–11 years
15
12+ years
4

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 Rabies Vaccine cause didn't stop worms in dogs?
113 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 51 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).

Didn't stop worms with similar medicines

All reported side effects of Rabies Vaccine in dogs · Medicines most reported with didn't stop worms