Recovery prolonged after Ketamine in cats

The FDA has received 191 reports of recovery prolonged in cats after Ketamine. That is 5.9% of all reports for this medicine, compared with 0.4% across reports for all cat medicines, so it is reported unusually often with this medicine.

191Reports
18%Marked serious
15%Recovered
27%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
49 92%
1–2 days
4 7.5%
3–7 days
0 0.0%
1–4 weeks
0 0.0%
Over a month
0 0.0%

How the animals did

Recovered
28 15%
Recovered with lasting effects
1 0.5%
Still unwell when reported
13 6.8%
Died
48 25%
Euthanised
3 1.6%
Not known
98 51%

Problems reported at the same time

Age of the animals

Under 1 year
52
1–3 years
30
4–7 years
30
8–11 years
19
12+ years
17

About this medicine

Type: medicine.

Questions owners ask

Can Ketamine cause recovery prolonged in cats?
191 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).

Recovery prolonged with similar medicines

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