First off, welcome to YT. You'll be able to find a lot of great information here.
I don't have any ideas, other then could it be a collapsed trachea? How experienced are the vets you've been seeing with small dogs. Small dogs do have some different health issues that the larger breeds don't. So if your vet isn't up on the small breeds you may need to keep searching for a vet that is.
I'll bump this up so that it doesn't get buried and see if anyone else can help, there are a lot of YT'ers who have a lot of medical information. Also, there is a wonderful YT member, Ellie May, who has a an amazing amount of knowledge, you could PM her and ask for advice. |