Didn't work as expected after Acepromazine in cats

The FDA has received 51 reports of didn't work as expected in cats after Acepromazine. That is 8.6% of all reports for this medicine, compared with 8.7% across reports for all cat medicines.

51Reports
33%Marked serious
39%Recovered
24%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
26 76%
1–2 days
3 8.8%
3–7 days
1 2.9%
1–4 weeks
3 8.8%
Over a month
1 2.9%

How the animals did

Recovered
20 39%
Still unwell when reported
4 7.8%
Died
1 2.0%
Euthanised
11 22%
Not known
15 29%

Problems reported at the same time

Unrelated death
7 14%
Incorrect route of drug administration
4 7.8%
3 5.9%
Systemic disorder
2 3.9%
Anxiety
2 3.9%

Age of the animals

Under 1 year
15
1–3 years
5
4–7 years
5
8–11 years
1
12+ years
4

About this medicine

Type: medicine.

Questions owners ask

Can Acepromazine cause didn't work as expected in cats?
51 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).

Didn't work as expected with similar medicines

All reported side effects of Acepromazine in cats · Medicines most reported with didn't work as expected