Atinvicitinib side effects in dogs

377 reports sent to the FDA between 2026 and 2026 involve Atinvicitinib in dogs. The most reported problems were diarrhea, vomiting, lethargy. 52% were marked serious.

377Reports
52%Marked serious
77%Only medicine involved
26%Recovered
2.9%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

61 16%
53 14%
44 12%
Liver problems
13 3.4%
Seizures
12 3.2%
Itching
11 2.9%
Behaviour change
11 2.9%
Allergic reaction
10 2.7%
Fever
10 2.7%
Swelling
9 2.4%
Breathing problems
8 2.1%
Nausea
8 2.1%
Tremors
6 1.6%
Reddening of the skin
6 1.6%

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 stop worms
1 0.3%

How soon problems started

Same day
109 38%
1–2 days
48 17%
3–7 days
40 14%
1–4 weeks
64 22%
Over a month
24 8.4%

Time from the first dose to the first sign, where both dates were reported (285 reports).

How the animals did

Recovered
96 25%
Recovered with lasting effects
1 0.3%
Still unwell when reported
211 56%
Died
5 1.3%
Euthanised
6 1.6%
Not known
58 15%

Breeds named most often

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

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