This question may have multiple answers, depending on the type of vomit and your dog's behavior. Here are some possible reasons: 1. Hunger: If your dog spits out food, he may try to re-eat it because he is hungry and wants to replenish his nutrition.
2. Sense of smell: The dog's sense of smell is very sensitive. It may smell the things it vomited and think it is Has edible value. 3. Cleaning: Dogs may try to clean up their own vomit to stay clean and hygienic. Regardless of the cause, if your dog frequently vomits it up and tries to re-eat it, you should consider consulting your veterinarian to determine if a health problem exists.
