Tachycardia after Acepromazine in dogs

70 reports to the FDA describe tachycardia in dogs given Acepromazine. That is 4.0% of all reports for this medicine, compared with 0.5% across reports for all dog medicines, so it is reported unusually often with this medicine.

70Reports
74%Marked serious
39%Recovered
26%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
37 59%
1–2 days
6 9.5%
3–7 days
7 11%
1–4 weeks
5 7.9%
Over a month
8 13%

How the animals did

Recovered
27 39%
Still unwell when reported
20 29%
Died
9 13%
Euthanised
9 13%
Not known
5 7.1%

Problems reported at the same time

Age of the animals

Under 1 year
10
1–3 years
16
4–7 years
19
8–11 years
15
12+ years
5

About this medicine

Type: medicine.

Questions owners ask

Can Acepromazine cause tachycardia in dogs?
70 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).

Tachycardia with similar medicines

All reported side effects of Acepromazine in dogs · Medicines most reported with tachycardia