Levetiracetam side effects in dogs

679 reports sent to the FDA between 2012 and 2026 involve Levetiracetam in dogs. The most reported problems were seizures, vomiting, lethargy. 71% were marked serious.

679Reports
71%Marked serious
1.3%Only medicine involved
25%Recovered
15%Died or euthanised
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About this medicine

Type: medicine.

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 prevent heartworm
12 1.8%
Didn't stop worms
11 1.6%
Didn't stop fleas
8 1.2%

How soon problems started

Same day
97 21%
1–2 days
77 16%
3–7 days
35 7.4%
1–4 weeks
58 12%
Over a month
204 43%

Time from the first dose to the first sign, where both dates were reported (471 reports).

How the animals did

Recovered
163 24%
Recovered with lasting effects
10 1.5%
Still unwell when reported
251 37%
Died
35 5.2%
Euthanised
68 10%
Not known
152 22%

Breeds named most often

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

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