Housebreaking a chihuahua

The two keys to housebreaking are... Confinement so your dog cannot go to the bathroom in the wrong places. Constant or regular access to the right place to go to the bathroom. Confinement from the wrong places Confinement means that until your dog is housebroken, he is never allowed to walk freely around the house. Confinement means every minute of every hour of every day -- unless you are sitting with your dog, playing with him, walking him, feeding him, grooming him, teaching him something, or otherwise interacting with him. Because if he is loose and you take your eyes off him for just a few moments, he can go to the bathroom on your floor -- and the bad habit is begun. Access to the RIGHT place This means you TAKE your dog outside -- or he lets himself outside through a doggy door. Or it means you provide him with newspapers or a litter box indoors. He must have SOMEWHERE to "go" -- on a regular, reliable basis. If the only place your dog has a chance to "go" is outside on a regular schedule, or on newspapers or in a litter box, that's the habit he will develop. If you let him loose in the house, then he can GO in the house, and that's the habit he will develop. It's up to you! Three ways to provide "confinement" and "bathroom access" Confinement in a crate. Take outside to bathroom. Confinement in an exercise pen. Constant access to newspapers or a litterbox. Confinement in a small room. Constant access to an outside yard via a doggy door. http://www.yourpurebredpuppy.com/training/articles/dog-housebreaking.html I hope that helps you a little x

Unnutered male dogs tend to mark territory and for him your house is it. If you nuture him it may help, but you will have to deorderize your house. You can get a good deorderiser at the pet department in your store. However your little guy has already formed habits and it may not be very easy to break them. Good luck