Instruct: Classify Amazon reviews into positive or negative sentiment
Query: foaming at the mouth and still has fleas.

I tried this product because it was cheap. What a mistake. I tried it on 2 cats. One started foaming at the mouth, so I immediately gave her a bath with dish soap. The other larger cat (who rarely licks himself) didn't foam at the mouth so I left it on.The only noticeable effect (aside from the foam and drool) this had was the fleas crawled around more as though they were uncomfortable. There were noticeably less fleas on the cat washed in dish soap.Use it on animals you don't like.