Febantel + Praziquantel + Pyrantel (Drontal Plus) side effects in Shih Tzus

200 FDA reports involve Febantel + Praziquantel + Pyrantel in a Shih Tzu. These are the problems they describe.

Vomiting
159 80%
Diarrhea
22 11%
Loss of appetite
21 11%
Lethargy
19 9.5%
Didn't stop worms
14 7.0%
Underdose
8 4.0%
Restlessness or agitation
8 4.0%
Behaviour change
8 4.0%
Decreased drinking
6 3.0%
Tarry or black stool
6 3.0%
Overdose
6 3.0%
Not drinking
4 2.0%

All reports for Febantel + Praziquantel + Pyrantel in dogs