There is currently a tablet flea medication on the market for cats and dogs that actually has the capacity to kill your animal with the administering of one tablet. Some quick research identified a possible one in five instance where this product could seriously affect your animal, including possible death. If for humans, this product would have been recalled already. My cat died within two hours of taking this product. There is no labelling alerting the purchaser to this potential danger. This product should be banned pending further testing, or at the very least, relabelled in such a way that reflects the actual dangers of usage. There is no mention anywhere, on the box or the separate instructions, that using this product could kill my pet. Do some reading yourself. Neo isn't the only victim here.