What Kind Of Smell Would Make Dog Barf. If your dog is known to consume poop, this may be the cause behind their pungent vomit. It's the dog's own natural oils are what actually keeps them.
While odors such as vomit will be a cause for concern, sweet smells from your dog also need to be checked out. If your dog is barfing up clear watery liquid, it is usually water that your dog has consumed to deal with nausea or because of stomach secretions. Puppies are prone to this ailment, with dehydration likely to make your dog’s condition worse.