I PUT SENTRY PRO XFC ON MY SHIT ZU 11 AM AND 15 MINUTES LATER MY PUP WOKE ME UP AND WOULD NOT STOP WALKING ON ME UNTIL I PHYSICALLY GOT UP TO SEE WHAT WAS WRONG., WAS FOR 2 DAYS MY DOG NOT SLEEP AND SHAMPOO 2 HR LATER AND GAVE THEM HALF OF A BENADRIL PILL THE FIRST DAY AND 1 THE SECOND DAY I BELIEVE IS A SEVERE SIDE EFFECT SO I TOOK THEM STRAIGHT TO THE VET AS A PRECAUTION, THE VET SAID THAT IF I HAD NOT WASHED THE POISON OFF OF THE DOGS IT PROBABLY WOULD HAVE BEEN FATAL ANMD I FELT REALLY FRUSTRATED THAT THIS TYPE OF MEDICATION PRODUCTS ARE SOLD read full review »