Butorphanol side effects in German Pomeranian Spitzs

48 FDA reports involve Butorphanol in a German Pomeranian Spitz. These are the problems they describe.

Death
20 42%
Liver problems
12 25%
Loss of appetite
8 17%
Vomiting
8 17%
Swelling
8 17%
Breathing problems
7 15%
Lethargy
7 15%
Blood problems
6 13%
Abnormal radiograph finding
5 10%
Cardiac arrest
5 10%
Didn't work as expected
5 10%
Bradycardia
5 10%

All reports for Butorphanol in dogs