Death after Cetirizine in dogs

The FDA has received 34 reports of death in dogs after Cetirizine. That is 5.1% of all reports for this medicine, compared with 5.2% across reports for all dog medicines.

34Reports
97%Marked serious
0.0%Recovered
100%Died or euthanised
27 daysTypical onset
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How soon it started

Same day
4 15%
1–2 days
2 7.7%
3–7 days
4 15%
1–4 weeks
6 23%
Over a month
10 38%

How the animals did

Died
14 41%
Euthanised
20 59%

Problems reported at the same time

11 32%
11 32%
Blood problems
7 21%

Age of the animals

Under 1 year
1
1–3 years
5
4–7 years
10
8–11 years
14
12+ years
4

About this medicine

Type: medicine.

Questions owners ask

Can Cetirizine cause death in dogs?
34 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
How soon after a dose was it reported?
In half of the reports with dates, it started within 27 days of the first dose.
What should I do?
Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).

Death with similar medicines

All reported side effects of Cetirizine in dogs · Medicines most reported with death