[header] How to cure frequent dog vomiting [title] Determine if your dog simply has an upset stomach. [step] Acute vomiting happens suddenly and forcefully. The dog vomits and vomits until there is nothing left in its stomach to vomit, except for yellow bile. 
If your dog has an upset stomach, this acute vomiting should pass quickly. [substeps] If you know your dog has eaten a food or substance that does not agree with it immediately stop your dog from gaining access to that item.