Updated October 31, 2026. Fact-checked against veterinary sources; review by a licensed veterinarian is in progress. See our editorial policy.
Not every episode of vomiting or diarrhea can be prevented, but food choices and household habits can lower some common risks. A safe routine is more useful than a collection of stomach remedies. Changes in appetite, vomiting and diarrhea can also reflect infections or medical illness, so prevention doesn’t replace examination when symptoms persist.
Keep food changes gradual
Suddenly switching to a rich new diet may cause digestive upset. When practical, mix an increasing proportion of the new complete food with the old one over several days, adjusting if your dog develops symptoms. Avoid a frequent rotation of treats, table scraps and supplements, especially when your dog has a sensitive stomach or another medical condition.
Reduce access to hazards
Keep trash secured and human medications, chocolate, xylitol, grapes and other harmful products out of reach. Offer dog-appropriate chew items rather than cooked bones that can splinter or cause injury. Supervise chewing and remove toys when they become small enough to swallow. Dogs that scavenge may benefit from training and physical barriers rather than relying on owner vigilance alone.
Routine preventive care matters
Follow veterinary recommendations for vaccinations, parasite prevention and fecal testing. Some parasites cause digestive symptoms or contribute to weight loss, while serious infections such as parvovirus can be life-threatening in unprotected puppies. Wash bowls regularly and handle food safely to reduce contamination risks.
What about preventing bloat?
Large, deep-chested dogs may be at increased risk of gastric dilatation-volvulus. Risk depends on several factors and no feeding method completely eliminates it. Ask your veterinarian whether a preventive gastropexy is reasonable for a high-risk breed, particularly if the dog will already undergo surgery. Unproductive retching with a swollen abdomen is an emergency, even in a dog with an otherwise healthy diet.
Learn how to recognize a digestive emergency.
Veterinary references
This article is for general education and is not a substitute for care from your own veterinarian. Learn about The Pet Vet and our editorial policy.