Diclofenac side effects in dogs

72 reports sent to the FDA between 2008 and 2026 involve Diclofenac in dogs. The most reported problems were vomiting, loss of appetite, lethargy. 38% were marked serious, and where it was recorded, signs eased after stopping the medicine in 100% of cases.

72Reports
38%Marked serious
8.3%Only medicine involved
43%Recovered
9.7%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Vomiting
16 22%
Loss of appetite
11 15%
Lethargy
11 15%
Eye disorder (for photophobia see 'neurological')
9 13%
Diarrhea
7 9.7%
Unresponsive
7 9.7%
Eye or vision problems
5 6.9%
Urinary tract infection
5 6.9%
Breathing problems
5 6.9%
Liver problems
5 6.9%
Abnormal pupil light reflex
5 6.9%
Loose stool
4 5.6%
Corneal disorder
4 5.6%
Eye pain
4 5.6%
Elevated cholesterol (total)
4 5.6%

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
5 6.9%

How soon problems started

Same day
6 13%
1–2 days
4 8.3%
3–7 days
4 8.3%
1–4 weeks
8 17%
Over a month
26 54%

Time from the first dose to the first sign, where both dates were reported (48 reports).

How the animals did

Recovered
29 40%
Recovered with lasting effects
2 2.8%
Still unwell when reported
22 31%
Died
2 2.8%
Euthanised
5 6.9%
Not known
12 17%

Breeds named most often

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

Other medicines for dogs