Diarrhoea is common — but it still deserves attention
Almost every dog gets diarrhoea at some point. A scavenged snack on a walk, a sudden change of food, stress from travel or fireworks, or a mild stomach bug can all upset the gut for a day or two. In most cases, the stools firm up on their own, and your dog stays bright, active, and interested in food.
But diarrhoea that keeps coming back, lasts more than a couple of days, or comes with other symptoms is a different matter. It can leave your dog dehydrated and undernourished, and it may point to a food sensitivity, an infection, parasites, or a longer-term digestive condition. Knowing what is normal, what to watch for, and how feeding fits in can help you act early and give your vet useful information.
Common causes of an upset stomach
An upset stomach can have many causes, and they are not always food-related:
- A sudden change of food, or too many new treats at once
- Scavenging: garbage, spoiled food, or unfamiliar items picked up outdoors
- Stress from travel, boarding, visitors, or loud festivals
- Infections or intestinal parasites, which are common in puppies
- Food sensitivities or intolerances that build up over time
- Underlying digestive conditions that need veterinary investigation
Because the causes vary so much, there is no single home fix. If diarrhoea is frequent or persistent, your vet — not a change of food alone — should guide the next step, and tests may be needed before any diet is prescribed.
How feeding supports gut health
When the gut is irritated, what your dog eats matters a great deal. Food that is hard to digest passes through too quickly, leaving the gut little chance to absorb nutrients and water. That is why veterinary gastrointestinal diets are formulated to be highly digestible: the gut has less work to do, and more of each meal is absorbed.
Consistency matters just as much. Dogs with sensitive guts do best on one steady diet, fed at regular times, rather than a rotation of foods, flavours, and treats. Table scraps, spicy leftovers, and rich bones are common triggers, and cutting them out is often the first change your vet will suggest. Small, frequent meals are also easier on an irritated gut than one large meal a day.
How Vet Pro Gastrointestinal is formulated to help
Drools VET PRO Gastrointestinal Adult Dog Dry Food is a veterinary diet formulated to help support digestive health in dogs with gastrointestinal problems. It is designed to be highly digestible, helping support normal stool quality and nutrient absorption in dogs whose guts need extra care.
The food is available in 3kg and 8kg packs, so you can choose the size that suits your dog and your household. Because this is a prescription diet, it should only be fed on your vet's recommendation, with the daily amount set for your dog's weight and condition.
Feeding tips during and after an upset stomach
- Do not starve the gut without vet advice: Old advice to withhold food for a day is not right for every dog. Ask your vet what to feed and when.
- Transition gradually: When your vet recommends a new diet, mix it with the old food over about 7 days, increasing the new food a little each day.
- Feed small, regular meals: Three or four smaller meals are gentler on a recovering gut than one large meal.
- Keep water available at all times: Diarrhoea causes fluid loss, and dehydration can develop quickly, especially in puppies and small dogs.
- Track what you see: Note stool consistency, frequency, appetite, and energy levels. A short daily note helps your vet judge whether the plan is working.
When diarrhoea needs urgent vet care
Contact your vet promptly if you see blood in the stool or vomit, if your dog is lethargic, in pain, or refusing water, or if diarrhoea lasts more than a day or two in a puppy, an elderly dog, or a small breed. Repeated vomiting alongside diarrhoea, a swollen belly, or signs of collapse are emergencies. Even when symptoms seem mild, diarrhoea that keeps returning deserves a vet visit to find the cause, rather than repeated diet changes at home.
Disclaimer: This article is for general information only and is not veterinary advice. Prescription diets should only be used under veterinary supervision. Always consult your vet before changing your dog's diet.
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