Butorphanol side effects in Labrador Retrievers

371 FDA reports involve Butorphanol in a Labrador Retriever. These are the problems they describe.

Vomiting
93 25%
Didn't work as expected
87 23%
Loss of appetite
76 20%
Lethargy
76 20%
Death
58 16%
Liver problems
57 15%
Diarrhea
54 15%
Swelling
53 14%
Injection site reaction
52 14%
Breathing problems
28 7.5%
Kidney problems
27 7.3%
Fever
27 7.3%

All reports for Butorphanol in dogs