Have you tried Probiotics, he may need some digestive enzymes in his tummy or some friendly bacteria to replace that killed by antibiotics. That would definitely cause what you are talking about. Is he nervous? Stressed? Kept in a crate? left alone a lot? Jeannine
Jessica Emch Woodward <[EMAIL PROTECTED]> wrote: I have an almost 6 month old chihuahua, Oscar. This is my first chi, not to mention the first purebred dog I've owned. Every couple of weeks he gets what we call gurgly tummy syndrome, GTS. His stomach makes lots of noise and he throws up. It's just a spitty throw up

