Cetirizine side effects in cats

55 reports sent to the FDA between 2012 and 2026 involve Cetirizine in cats. The most reported problems were loss of appetite, lethargy, vomiting. 40% were marked serious.

55Reports
40%Marked serious
0.0%Only medicine involved
25%Recovered
11%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Loss of appetite
12 22%
Lethargy
10 18%
Vomiting
9 16%
Itching
9 16%
Hair loss
7 13%
Wobbliness (ataxia)
6 11%
Behaviour change
6 11%
Sneezing
5 9.1%
Diarrhea
5 9.1%
Skin rash or irritation
4 7.3%
Weight loss
4 7.3%
Allergic reaction
4 7.3%
Application site reaction
3 5.5%
Breathing problems
3 5.5%
Drooling
3 5.5%

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 cat still getting fleas or heartworm), not about a side effect.

Didn't work as expected
6 11%
Didn't stop fleas
1 1.8%

How soon problems started

Same day
7 17%
1–2 days
2 4.9%
3–7 days
4 9.8%
1–4 weeks
10 24%
Over a month
18 44%

Time from the first dose to the first sign, where both dates were reported (41 reports).

How the animals did

Recovered
14 25%
Still unwell when reported
17 31%
Died
2 3.6%
Euthanised
4 7.3%
Not known
18 33%

Breeds named most often

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

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