My son has a Chihuahua and it cannot come to our house because both Amber and Ruby think it is some kind of toy and try to drag and fling it around like their toys. Now, it is entirely possible that my girls just rough but there is no way to stop them from going after the Chihuahua so it dfoesn't cfome to our house. The Great Dane (one of my rescues my son has at his apartment) does fine with the little one but not my girls are just too rough. They are great with the cat and things their size just not the toy dogs. Good luck.