Afoxolaner (NexGard) side effects in King Charles Cavalier Spaniels

380 FDA reports involve Afoxolaner in a King Charles Cavalier Spaniel. These are the problems they describe.

Vomiting
78 21%
Diarrhea
53 14%
Didn't work as expected
50 13%
Itching
49 13%
Lethargy
49 13%
Didn't stop ticks
43 11%
Loss of appetite
33 8.7%
Seizures
31 8.2%
Didn't stop fleas
27 7.1%
Breathing problems
21 5.5%
Behaviour change
18 4.7%
Death
17 4.5%

All reports for Afoxolaner in dogs