Lethargy after Benazepril in dogs

113 reports to the FDA describe lethargy in dogs given Benazepril. That is 18% of all reports for this medicine, compared with 11% across reports for all dog medicines, so it is reported unusually often with this medicine.

113Reports
62%Marked serious
26%Recovered
25%Died or euthanised
54 daysTypical onset
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How soon it started

Same day
15 20%
1–2 days
8 11%
3–7 days
2 2.6%
1–4 weeks
7 9.2%
Over a month
44 58%

How the animals did

Recovered
29 26%
Still unwell when reported
29 26%
Died
9 8.0%
Euthanised
19 17%
Not known
27 24%

Problems reported at the same time

36 32%
28 25%
22 19%
Abnormal radiograph finding
13 12%

Age of the animals

Under 1 year
0
1–3 years
0
4–7 years
7
8–11 years
35
12+ years
70

About this medicine

Type: medicine.

Questions owners ask

Can Benazepril cause lethargy in dogs?
113 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 54 days 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).

Lethargy with similar medicines

All reported side effects of Benazepril in dogs · Medicines most reported with lethargy