Behaviour change after Propofol in cats

The FDA has received 160 reports of behaviour change in cats after Propofol. That is 14% of all reports for this medicine, compared with 5.4% across reports for all cat medicines, so it is reported unusually often with this medicine.

160Reports
38%Marked serious
25%Recovered
7.5%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
91 65%
1–2 days
30 22%
3–7 days
7 5.0%
1–4 weeks
5 3.6%
Over a month
6 4.3%

How the animals did

Recovered
40 25%
Still unwell when reported
61 38%
Died
5 3.1%
Euthanised
7 4.4%
Not known
47 29%

Problems reported at the same time

Age of the animals

Under 1 year
32
1–3 years
25
4–7 years
37
8–11 years
33
12+ years
24

About this medicine

Type: medicine.

Questions owners ask

Can Propofol cause behaviour change in cats?
160 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).

Behaviour change with similar medicines

All reported side effects of Propofol in cats · Medicines most reported with behaviour change