Acepromazine side effects in cats

591 reports sent to the FDA between 1995 and 2026 involve Acepromazine in cats. The most reported problems were loss of appetite, fever, lethargy. 39% were marked serious, and where it was recorded, signs eased after stopping the medicine in 67% of cases.

591Reports
39%Marked serious
23%Only medicine involved
30%Recovered
27%Died or euthanised
SponsoredWorried about your pet? Ask a veterinarian online, 24/7

About this medicine

Type: medicine.

Most reported side effects

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a cat still getting fleas or heartworm), not about a side effect.

Didn't stop fleas
1 0.2%

How soon problems started

Same day
241 58%
1–2 days
106 26%
3–7 days
28 6.8%
1–4 weeks
25 6.1%
Over a month
13 3.1%

Time from the first dose to the first sign, where both dates were reported (413 reports).

How the animals did

Recovered
177 30%
Recovered with lasting effects
3 0.5%
Still unwell when reported
110 19%
Died
125 21%
Euthanised
37 6.3%
Not known
139 24%

Breeds named most often

Popular breeds appear more often because there are more of them.

Other medicines for cats