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Slowing down how fast your puppy eats relieves mealtime vomiting. Feed puppies in separate bowls to cut down on "competition" eating, or place a large non-swallowable ball in the dish so the puppy is forced to eat around it. Meal-feeding several times a day rather than once will also alleviate overeating. A few dogs vomit when they're excited or fearful.

Vomiting that happens only once or twice isn't a cause for concern as long as the puppy acts normal before and after. Rest the digestive tract for 12 to 24 hours or so usually resolves the gastric irritation in older pups and adult dogs. But very young puppies and especially Toy-size breeds shouldn’t go without a meal for longer than about six to eight hours, though, so you’ll need vet help with tiny pups.

Pick up the food bowl and give only small amounts of water. Vomiting makes pups feel thirsty but drinking can upset the tummy even further. So offer water in a syringe every 15 or 20 minutes, or offer an ice cube for her to lick.

You can safely give Pepto-Bismol to manage doggy vomiting. It coats the stomach wall, soothes the upset and the bismuth absorbs bacterial toxins that prompt vomiting. The dose is about ½ to 1 teaspoon per 5 pounds of body weight up to three times a day.

Vomiting may be a sign of serious illness, though. Even if it’s not due to a virus, vomiting for any reason can result in dehydration that can kill puppies very quickly. Anytime your pup vomits three or more times in a single day, or two or more days in a row, you should take her to the vet.