Hiding after Alfaxalone in cats

The FDA has received 27 reports of hiding in cats after Alfaxalone. That is 5.7% of all reports for this medicine, compared with 2.4% across reports for all cat medicines, so it is reported unusually often with this medicine.

27Reports
22%Marked serious
33%Recovered
3.7%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
14 54%
1–2 days
10 38%
3–7 days
0 0.0%
1–4 weeks
1 3.8%
Over a month
1 3.8%

How the animals did

Recovered
9 33%
Still unwell when reported
11 41%
Euthanised
1 3.7%
Not known
6 22%

Problems reported at the same time

4 15%
Lameness
4 15%
Disorientation
3 11%
Not drinking
3 11%

Age of the animals

Under 1 year
0
1–3 years
2
4–7 years
2
8–11 years
10
12+ years
13

About this medicine

Type: medicine.

Questions owners ask

Can Alfaxalone cause hiding in cats?
27 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).

Hiding with similar medicines

All reported side effects of Alfaxalone in cats · Medicines most reported with hiding