My cat, Brownie, a 4 1/2 year old (otherwise) healthy cat is now in the vet emergency clinic the day after I used Hartz Flea & Tick Drops Plus on her. She began rolling on rugs trying to get it off while howling pitifully. She now needs hydration. I hope she will be better soon. I have removed all Hartz products from my household and will never purchase Hartz again. In addition, I plan to let all my friends and family know the danger of this product. So they recalled the product IN ORDER TO RELABEL IT!!!!! How thoughtful of Hartz. My vet bill now stands at $350 and is likely to cost more. This is true corporate irresponsibility.