Lyme Vaccine side effects in dogs

7,004 reports sent to the FDA between 2012 and 2026 involve Lyme Vaccine in dogs. The most reported problems were vomiting, lethargy, allergic reaction. 31% were marked serious, and where it was recorded, signs eased after stopping the medicine in 67% of cases.

7,004Reports
31%Marked serious
0.0%Only medicine involved
13%Recovered
3.1%Died or euthanised
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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.

Most reported side effects

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a dog still getting fleas or heartworm), not about a side effect.

Didn't stop fleas
7 0.1%

How soon problems started

Same day
911 24%
1–2 days
278 7.2%
3–7 days
167 4.3%
1–4 weeks
254 6.6%
Over a month
2,244 58%

Time from the first dose to the first sign, where both dates were reported (3,854 reports).

How the animals did

Recovered
862 12%
Recovered with lasting effects
15 0.2%
Still unwell when reported
3,570 51%
Died
92 1.3%
Euthanised
124 1.8%
Not known
2,341 33%

Breeds named most often

Popular breeds appear more often because there are more of them.

Other vaccines for dogs