Carporfen side effects in dogs

56 reports sent to the FDA between 2013 and 2026 involve Carporfen in dogs. The most reported problems were loss of appetite, liver problems, excessive thirst. 50% were marked serious, and where it was recorded, signs eased after stopping the medicine in 100% of cases.

56Reports
50%Marked serious
3.6%Only medicine involved
20%Recovered
16%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Loss of appetite
9 16%
Liver problems
8 14%
Excessive thirst
8 14%
Breathing problems
7 13%
Vomiting
7 13%
Excessive urination
7 13%
Paraparesis
6 11%
Lethargy
5 8.9%
Diarrhea
5 8.9%
Swelling
4 7.1%
Abnormal radiograph finding
4 7.1%
Wobbliness (ataxia)
4 7.1%
Injection site reaction
4 7.1%
Skin rash or irritation
3 5.4%
Behaviour change
3 5.4%

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
6 11%
Didn't prevent heartworm
2 3.6%
Didn't stop worms
2 3.6%
Didn't stop ticks
1 1.8%
Didn't stop fleas
1 1.8%

How soon problems started

Same day
2 5.3%
1–2 days
3 7.9%
3–7 days
4 11%
1–4 weeks
10 26%
Over a month
19 50%

Time from the first dose to the first sign, where both dates were reported (38 reports).

How the animals did

Recovered
11 20%
Still unwell when reported
22 39%
Died
3 5.4%
Euthanised
6 11%
Not known
14 25%

Breeds named most often

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

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