Pyrantel side effects in Labrador Retrievers

282 FDA reports involve Pyrantel in a Labrador Retriever. These are the problems they describe.

Vomiting
93 33%
Didn't stop worms
59 21%
Lethargy
59 21%
Diarrhea
55 20%
Didn't work as expected
41 15%
Loss of appetite
36 13%
Death
32 11%
Swelling
17 6.0%
Accidental exposure
16 5.7%
Breathing problems
15 5.3%
Seizures
15 5.3%
Itching
13 4.6%

All reports for Pyrantel in dogs