Fipronil + S-methoprene (Frontline Plus) side effects in Chihuahuas

72 FDA reports involve Fipronil + S-methoprene in a Chihuahua. These are the problems they describe.

Didn't stop fleas
14 19%
Lethargy
14 19%
Itching
13 18%
Vomiting
11 15%
Loss of appetite
8 11%
Behaviour change
7 9.7%
Allergic reaction
6 8.3%
Application site reaction
5 6.9%
Seizures
5 6.9%
Tremors
4 5.6%
Restlessness or agitation
4 5.6%
Uncoded sign
3 4.2%

All reports for Fipronil + S-methoprene in dogs