Allergy side effects in dogs

203 reports sent to the FDA between 2012 and 2026 involve Allergy in dogs. The most reported problems were vomiting, lethargy, liver problems. 26% were marked serious.

203Reports
26%Marked serious
0.0%Only medicine involved
9.9%Recovered
6.9%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

33 16%
26 13%
Diarrhea
15 7.4%
Itching
14 6.9%
Behaviour change
14 6.9%
Breathing problems
9 4.4%
Allergic reaction
9 4.4%
Seizures
9 4.4%
Blood problems
9 4.4%
Skin disorders
9 4.4%
Leucopenia
8 3.9%
Bacterial skin infection
8 3.9%
Swelling
7 3.4%

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 stop fleas
5 2.5%
Didn't stop worms
1 0.5%
Didn't prevent heartworm
1 0.5%
Didn't stop ticks
1 0.5%

How soon problems started

Same day
29 20%
1–2 days
12 8.3%
3–7 days
10 6.9%
1–4 weeks
26 18%
Over a month
68 47%

Time from the first dose to the first sign, where both dates were reported (145 reports).

How the animals did

Recovered
20 9.9%
Still unwell when reported
125 62%
Died
5 2.5%
Euthanised
9 4.4%
Not known
44 22%

Breeds named most often

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

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