My best BUD, BUDDY MY 16 yr 3 mo, 3 wk,3 days…HARTZ PRODUCT KILLED MY CAT after using ULTRA GUARD PRO FLEA AND TICK DROPS….I rushed him to the vet after i got home around 430pm on 6-23-17…they put atropine and IV solution. overnight did not help. I picked him up at 9am sat, he died a horrible growling death in my arms 5 1/2 hrs later. i got him biopsy and necropsy and am suing HARTZ……I have PTSD because of this, so much emotional pain and suffering. i have him in my freezer….he was cross country 20 times, walked with no leash on his own in fla…ect..