Bradycardia after Ketamine in cats

91 reports to the FDA describe bradycardia in cats given Ketamine. That is 2.8% of all reports for this medicine, compared with 0.5% across reports for all cat medicines, so it is reported unusually often with this medicine.

91Reports
57%Marked serious
34%Recovered
37%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
56 89%
1–2 days
5 7.9%
3–7 days
2 3.2%
1–4 weeks
0 0.0%
Over a month
0 0.0%

How the animals did

Recovered
31 34%
Still unwell when reported
7 7.7%
Died
27 30%
Euthanised
7 7.7%
Not known
19 21%

Problems reported at the same time

Age of the animals

Under 1 year
30
1–3 years
21
4–7 years
5
8–11 years
11
12+ years
10

About this medicine

Type: medicine.

Questions owners ask

Can Ketamine cause bradycardia in cats?
91 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 the same day 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).

Bradycardia with similar medicines

All reported side effects of Ketamine in cats · Medicines most reported with bradycardia