Leucocytosis after Lyme Vaccine in dogs

76 reports to the FDA describe leucocytosis in dogs given Lyme Vaccine. That is 1.1% of all reports for this medicine, compared with 1.0% across reports for all dog medicines.

76Reports

78%Marked serious

7.9%Recovered

39%Died or euthanised

10 daysTypical onset

How soon it started

Same day

11 18%

1–2 days

10 16%

3–7 days

7 11%

1–4 weeks

19 31%

Over a month

14 23%

How the animals did

Recovered

6 7.9%

Still unwell when reported

28 37%

Died

9 12%

Euthanised

21 28%

Not known

12 16%

Problems reported at the same time

44 58%

41 54%

37 49%

35 46%

34 45%

30 39%

28 37%

20 26%

Age of the animals

Under 1 year

1–3 years

4–7 years

8–11 years

12+ years

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 Lyme Vaccine cause leucocytosis in dogs?: 76 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 10 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).

Leucocytosis with similar medicines

Leucocytosis after Rabies Vaccine 297 reports · 3.0% of its reports
Leucocytosis after Bordetella Vaccine 291 reports · 3.1% of its reports
Leucocytosis after Leptospirosis Vaccine 279 reports · 3.5% of its reports
Leucocytosis after Distemper-parvo Vaccine 261 reports · 4.0% of its reports

All reported side effects of Lyme Vaccine in dogs · Medicines most reported with leucocytosis