TL;DR
A bland diet for a dog with vomiting or diarrhea is a short run of plain, easily digested food: usually boiled skinless chicken or lean turkey with white rice, fed in small meals for a few days, then mixed back into the normal food. It works because upset guts handle low-fat, simple food best. The evidence backs food over pills for simple cases: in a randomized trial of 59 dogs with acute colitis, dogs on an easily digestible diet went into remission in a median of 5 days, while dogs given the same diet plus the antibiotic metronidazole took 8.5 days, and the antibiotic disturbed their gut bacteria. Acute diarrhea is very common: about 1 in 12 dogs in UK practices is seen for it each year, and over 80% need only one vet visit. A bland diet is for a dog that is otherwise bright. Blood in vomit, repeated vomiting, a swollen belly, a dog that will not drink, or a puppy or senior who is flat and weak need a vet the same day.
Bland diet recipe for dogs
| Ingredient | How to prepare | Notes |
|---|---|---|
| Lean protein | Boiled skinless chicken breast, lean turkey breast, or white fish | No skin, bones, oil, butter, salt, onion or garlic |
| Low-fat cheese option | Plain cottage cheese (low fat) | Small amounts if your dog tolerates dairy |
| Starch | Plain white rice, boiled well and soft | Brown rice is harder to digest during an upset |
| Alternative starch | Plain boiled potato, peeled | Useful if your dog will not eat rice |
| Fiber helper | Plain canned pumpkin (not pie filling), a small spoonful | Adds soluble fiber, similar to the psyllium in the trial below |
How much chicken to rice? A common starting point is about one part chicken to two parts rice by volume. Fat is the main thing to keep low, so drain the cooking water of fat and avoid fattier cuts such as thighs.
How to feed it
- After vomiting, give the stomach a short rest of a few hours, offering small amounts of water. Do not hold back water for long.
- Start with small meals, about a quarter of the normal amount, 3 to 4 times a day.
- If the meal stays down, increase the portion over the next day.
- Once stools firm up, start mixing the normal food back in over about 3 to 5 days: roughly 75% bland and 25% normal food, then half and half, then mostly normal food.
A bland diet is not complete nutrition, so it should not be fed for more than a week or so without a vet's plan.
Why easily digestible food works better than reaching for antibiotics
In the randomized, placebo-controlled trial, 59 dogs with acute colitis (sudden diarrhea from the large bowel, often with mucus) were split into three groups:
| Group | Median time to normal stool |
|---|---|
| Easily digestible diet + placebo | 5 days |
| Easily digestible diet + metronidazole | 8.5 days |
| Easily digestible diet with added psyllium fiber + placebo | 5 days |
Adding the antibiotic did not speed recovery and made the gut bacteria balance worse at days 7 to 10. No dogs had complications on diet alone.
A UK study of first-visit acute diarrhea came to the same conclusion from a different angle: dogs given antibiotics did no better than dogs not given them (a 0.4% difference that was not significant), and the same was true for gut supplements prescribed at the first visit. Most simple cases settle with time, fluids and the right food.
How common is it, and which dogs get it most?
In the UK study of over 2.2 million dogs:
- About 8.2% of dogs were seen for acute diarrhea in a year, about 1 in 12.
- Vomiting came with it in 44% of cases, reduced appetite in 28% and lethargy in 24%. About 29% had blood in the stool.
- Over 80% needed only one visit.
- Maltese, Miniature Poodles, Cavapoos, German Shepherds, Yorkshire Terriers and Cockapoos had higher odds than crossbreeds.
- Dogs under 3 and over 9 years old were more likely to be diagnosed.
A small-animal vet Morty has known for years, who asked us not to use their name, says gastroenteritis is one of the two things they see most in clinic, alongside skin disease. Their advice for the Northern breeds is blunt: "Huskies and Malamutes have sensitive stomachs. Food intolerance colitis is common, so don't feed them whatever is lying around." See Husky lifespan.
When a bland diet is not enough
Go to a vet the same day if you see:
- Vomiting that keeps coming back, or vomiting with diarrhea in a small, young or old dog.
- Blood: red or coffee-ground vomit, or bloody, jam-like diarrhea.
- Black, tarry stool.
- A swollen, tight or painful belly, or retching that brings nothing up.
- Refusing water, dry gums or a flat, weak dog. See pale gums in dogs.
- A possible toxin or swallowed object.
- No improvement after 24 to 48 hours on a bland diet.
Bloody diarrhea that comes on fast
Acute hemorrhagic diarrhea syndrome (AHDS) causes sudden, severe bloody diarrhea, often with vomiting. In a study of 108 dogs, affected dogs were usually small (median 9.8 kg) and around 5 years old, the Yorkshire Terrier, Miniature Pinscher, Miniature Schnauzer and Maltese were overrepresented, and vomiting came first in 80%. Dehydration can become dangerous quickly, but with prompt fluid treatment the outlook is good and most dogs improve rapidly within 48 hours.
Older dogs need a lower threshold
In senior dogs, vomiting and diarrhea can be the first sign of something else, such as pancreatitis, kidney disease or a tumor. A senior dog that is off its food for more than a day should be checked. See senior dog not eating.
What about supplements during an upset stomach?
If your dog takes a daily supplement mixed into food, pause it while you feed the bland diet and restart once stools have been normal for a couple of days. That way, if the upset returns, you know whether the food change or the supplement is involved. See dog diarrhea after starting a supplement.
For dogs with a stomach that is sensitive all the time, not just during an upset, see senior dog food for sensitive stomachs and mucus in dog stool.
FAQ
What is a bland diet for dogs?
Plain, low-fat, easily digested food, usually boiled skinless chicken or lean turkey with plain white rice, fed in small meals for a few days during vomiting or diarrhea.
How long should a dog stay on a bland diet?
Until stools firm up (a median of 5 days in a randomized colitis trial), then a few days of gradually mixing the normal food back in. Not more than about a week without a vet's advice, because it is not a complete diet.
Can I give my dog rice for diarrhea?
Yes, plain, well-cooked white rice with a lean protein is a common bland diet. Avoid butter, oil, salt and seasoning.
Do dogs with diarrhea need antibiotics?
Usually not. In a UK study, antibiotics at the first visit did not improve recovery from acute diarrhea, and in a randomized trial an easily digestible diet alone worked faster than diet plus metronidazole.
When should I worry about my dog vomiting?
When vomiting is repeated, contains blood, comes with a swollen belly, or your dog is weak, will not drink, or is very young or old. Those dogs need a vet the same day.
References
- Rudinsky AJ, et al. Randomized controlled trial demonstrates nutritional management is superior to metronidazole for treatment of acute colitis in dogs. Journal of the American Veterinary Medical Association. 2022. PMID: 36191142
- Pegram C, et al. Target trial emulation: Do antimicrobials or gastrointestinal nutraceuticals prescribed at first presentation for acute diarrhoea cause a better clinical outcome in dogs under primary veterinary care in the UK? PLOS ONE. 2023. PMID: 37792702
- O'Neill DG, et al. Epidemiology and clinical management of acute diarrhoea in dogs under primary veterinary care in the UK. PLOS ONE. 2025. PMID: 40498704
- Mortier F, et al. Acute haemorrhagic diarrhoea syndrome in dogs: 108 cases. Veterinary Record. 2015. PMID: 26023146
For individual health questions, your veterinarian remains the best partner.
