Afoxolaner (NexGard) side effects in Cocker American Spaniels

415 FDA reports involve Afoxolaner in a Cocker American Spaniel. These are the problems they describe.

Vomiting
108 26%
Itching
59 14%
Diarrhea
55 13%
Lethargy
50 12%
Didn't stop ticks
49 12%
Seizures
45 11%
Didn't work as expected
43 10%
Didn't stop fleas
34 8.2%
Tremors
34 8.2%
Loss of appetite
26 6.3%
Skin disorders
24 5.8%
Breathing problems
22 5.3%

All reports for Afoxolaner in dogs