Death after Ketamine in horses

The FDA has received 43 reports of death in horses after Ketamine. That is 7.6% of all reports for this medicine, compared with 11% across reports for all horse medicines.

43Reports
44%Marked serious
0.0%Recovered
100%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
14 82%
1–2 days
2 12%
3–7 days
1 5.9%
1–4 weeks
0 0.0%
Over a month
0 0.0%

How the animals did

Died
29 67%
Euthanised
14 33%

Problems reported at the same time

Collapse
7 16%
Breathing problems
7 16%
Seizures
6 14%
Apnoea
5 12%
Cardiac arrest
5 12%
Rough recovery
5 12%
Fever
3 7.0%

Age of the animals

Under 1 year
4
1–3 years
17
4–7 years
6
8–11 years
3
12+ years
8

About this medicine

Type: medicine.

Questions owners ask

Can Ketamine cause death in horses?
43 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).

Death with similar medicines

All reported side effects of Ketamine in horses · Medicines most reported with death