Our cat is very sick

Hartz Ultra Guard Pro appears to be a very dangerous product. We applied one dose to our 7 year old spayed cat and she immediately lost her appetite and the product is a huge irritant on her neck. It has caused most of the hair there to fall out in clumps and the itching is driving her crazy. Six days on and the product is still causing her loss of appetite and severe itching on her neck. Dangerous!

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