My family used to use this kind of stuff on our animals before we knew better, and it never even worked. I think we got very lucky that we never had a reaction with our animals, and since then we have switched to much more reputable brands.

http://www.cafepress.com/dunkiesanddimeys

Oh dang! I use their antiflea medicine on my cat. I definitely won’t now. Any humane alternatives guys? Btw I signed.

If you didn’t know this already don’t use Hartz on your companion animals, they have been responsible for so many deaths as well as Biospot and Sergeants. Just check out BrokenHartz.wordpress.com or Hartzvictims.org for more info and PLEASE SIGN -> http://www.thepetitionsite.com/521/695/742/hartz-please-stop-selling-products-that-are-killing-our-animals/ to stop Hartz killing more innocent companion animals