Diphenhydramine side effects in Pugs

129 FDA reports involve Diphenhydramine in a Pug. These are the problems they describe.

Vomiting
57 44%
Lethargy
35 27%
Swelling
30 23%
Allergic reaction
28 22%
Didn't work as expected
22 17%
Loss of appetite
20 16%
Liver problems
19 15%
Itching
17 13%
Breathing problems
16 12%
Diarrhea
16 12%
Skin redness
14 11%
Death
11 8.5%

All reports for Diphenhydramine in dogs