Not himself/herself after Butorphanol in dogs

The FDA has received 49 reports of not himself/herself in dogs after Butorphanol. That is 1.1% of all reports for this medicine, compared with 0.3% across reports for all dog medicines, so it is reported unusually often with this medicine.

49Reports
78%Marked serious
22%Recovered
20%Died or euthanised
1 daysTypical onset
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How soon it started

Same day
19 42%
1–2 days
7 16%
3–7 days
3 6.7%
1–4 weeks
11 24%
Over a month
5 11%

How the animals did

Recovered
11 22%
Still unwell when reported
11 22%
Died
5 10%
Euthanised
5 10%
Not known
17 35%

Problems reported at the same time

Age of the animals

Under 1 year
2
1–3 years
10
4–7 years
17
8–11 years
15
12+ years
5

About this medicine

Type: medicine.

Questions owners ask

Can Butorphanol cause not himself/herself in dogs?
49 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 1 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).

Not himself/herself with similar medicines

All reported side effects of Butorphanol in dogs · Medicines most reported with not himself/herself