Although some not have issues using the Hartz brand collars for cats, I had a very sad and almost deadly situation happen to my cat. I have a Seal Point Siamese who is allergic to fleas. We usually use Frontline, but we were all out.
I decided to
try a flea collar so I could save myself a trip to the vet. $244 later, I wish I had never made that choice.
My cat got the collar in her mouth.
The chemicals almost killed her.
She now has permanent neurological & respiratory damage from the ...