Diphenhydramine side effects in Boston Terriers

88 FDA reports involve Diphenhydramine in a Boston Terrier. These are the problems they describe.

Swelling
42 48%
Allergic reaction
35 40%
Vomiting
33 38%
Lethargy
25 28%
Diarrhea
20 23%
Loss of appetite
16 18%
Injection site reaction
15 17%
Didn't work as expected
15 17%
Itching
8 9.1%
Death
8 9.1%
Abnormal radiograph finding
7 8.0%
Liver problems
7 8.0%

All reports for Diphenhydramine in dogs