Drontal side effects in dogs

51 reports sent to the FDA between 2016 and 2026 involve Drontal in dogs. The most reported problems were vomiting, diarrhea, falling. 76% were marked serious.

51Reports
76%Marked serious
0.0%Only medicine involved
24%Recovered
0.0%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Vomiting
14 27%
Diarrhea
8 16%
Falling
2 3.9%
Lethargy
2 3.9%
Intentional misuse
2 3.9%
Liver problems
1 2.0%
Hyperalbuminaemia
1 2.0%
Elevated lipase
1 2.0%
Eosinophilia
1 2.0%
Wobbliness (ataxia)
1 2.0%
Stumbling gait
1 2.0%
Dilated pupils
1 2.0%
Fever
1 2.0%
Breathing problems
1 2.0%
Loss of appetite
1 2.0%

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 work as expected
1 2.0%

How soon problems started

Same day
17 39%
1–2 days
2 4.5%
3–7 days
4 9.1%
1–4 weeks
5 11%
Over a month
16 36%

Time from the first dose to the first sign, where both dates were reported (44 reports).

How the animals did

Recovered
12 24%
Still unwell when reported
38 75%
Not known
1 2.0%

Breeds named most often

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

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