Abnormal radiograph finding after Butorphanol in cats

65 reports to the FDA describe abnormal radiograph finding in cats given Butorphanol. That is 2.9% of all reports for this medicine, compared with 1.0% across reports for all cat medicines, so it is reported unusually often with this medicine.

65Reports

80%Marked serious

11%Recovered

34%Died or euthanised

1 daysTypical onset

How soon it started

Same day

22 45%

1–2 days

13 27%

3–7 days

6 12%

1–4 weeks

6 12%

Over a month

2 4.1%

How the animals did

Recovered

7 11%

Still unwell when reported

20 31%

Died

14 22%

Euthanised

8 12%

Not known

16 25%

Problems reported at the same time

25 38%

22 34%

22 34%

17 26%

15 23%

13 20%

10 15%

8 12%

Age of the animals

Under 1 year

1–3 years

4–7 years

8–11 years

12+ years

About this medicine

Type: medicine.

Questions owners ask

Can Butorphanol cause abnormal radiograph finding in cats?: 65 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).

Abnormal radiograph finding with similar medicines

Abnormal radiograph finding after Ketamine 48 reports · 1.5% of its reports
Abnormal radiograph finding after Isoflurane 36 reports · 1.8% of its reports
Abnormal radiograph finding after Tiletamine + Zolazepam 27 reports · 1.6% of its reports
Abnormal radiograph finding after Methylprednisolone 90 reports · 5.6% of its reports
Abnormal radiograph finding after Propofol 40 reports · 3.4% of its reports
Abnormal radiograph finding after Atipamezole 36 reports · 3.5% of its reports
Abnormal radiograph finding after Clindamycin 21 reports · 4.4% of its reports
Abnormal radiograph finding after Famotidine 29 reports · 7.1% of its reports
Abnormal radiograph finding after Diphenhydramine 21 reports · 5.7% of its reports
Abnormal radiograph finding after Furosemide 43 reports · 14% of its reports

All reported side effects of Butorphanol in cats · Medicines most reported with abnormal radiograph finding