Itching after Ketamine in cats

The FDA has received 109 reports of itching in cats after Ketamine. That is 3.4% of all reports for this medicine, compared with 8.9% across reports for all cat medicines, so it is reported less often than average with this medicine.

109Reports
44%Marked serious
23%Recovered
12%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
43 51%
1–2 days
18 21%
3–7 days
12 14%
1–4 weeks
9 11%
Over a month
2 2.4%

How the animals did

Recovered
24 22%
Recovered with lasting effects
1 0.9%
Still unwell when reported
40 37%
Died
5 4.6%
Euthanised
8 7.3%
Not known
31 28%

Problems reported at the same time

Age of the animals

Under 1 year
40
1–3 years
19
4–7 years
15
8–11 years
17
12+ years
13

About this medicine

Type: medicine.

Questions owners ask

Can Ketamine cause itching in cats?
109 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).

Itching with similar medicines

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