Best dog food for a shih tzu with a sensitive stomach
Shih tzus are a breed commonly associated with sensitive stomachs, and part of the reason is their short, flat muzzle, which can lead to gulping air while eating and a tendency toward digestive upset that's more about eating mechanics than the food itself. A sensitive-stomach recipe, alongside slower feeding, addresses both angles at once.
Why shih tzus are prone to a sensitive stomach
As a brachycephalic breed with a short muzzle, shih tzus can struggle to form an effective seal around food and often end up swallowing more air while eating than a longer-muzzled dog would. That swallowed air contributes to digestive discomfort and can look a lot like a food sensitivity even when the underlying cause is partly mechanical.
On top of that, some individual shih tzus do have a genuine ingredient sensitivity, so it's often a combination of how they eat and what they eat that determines how settled their stomach is day to day.
What to look for in a food
A sensitive-stomach recipe typically uses a limited number of easily digestible ingredients and a single named protein source, which reduces the number of potential triggers compared with a food containing several different meats and fillers. Consistency matters here too — switching foods frequently in response to an upset stomach often makes things worse rather than better.
Alongside the food itself, a slow feeder bowl can genuinely help a shih tzu by reducing how much air they gulp while eating, addressing the mechanical side of the problem that a change of recipe alone won't fix.
When it needs a vet, not just a food change
Occasional mild digestive upset that settles quickly is common and often manageable through food and feeding changes. Persistent vomiting, ongoing diarrhoea, weight loss, or a shih tzu who seems generally unwell alongside the digestive symptoms is a different situation, and one that needs a vet's assessment rather than another food trial.
A vet can also help rule out other causes of digestive upset that aren't related to food at all, which matters because repeatedly changing diet in response to a problem that isn't actually food-related delays finding out what's really going on.
Common questions
- Why do shih tzus get sensitive stomachs so often?
- Part of the reason is mechanical — their short muzzle makes it harder to eat without gulping air, which contributes to digestive discomfort. Some individual dogs also have genuine ingredient sensitivities on top of this, so it's often a combination of factors.
- Should I keep changing my shih tzu's food if their stomach is upset?
- Not repeatedly — frequent food changes can unsettle digestion further rather than help it. It's generally better to settle on one suitable sensitive-stomach recipe and give it a proper trial, and to see a vet if the problem persists.
- Can a slow feeder bowl really help a shih tzu's digestion?
- Yes, for many shih tzus a slow feeder reduces how much air they swallow while eating, which is part of what contributes to their sensitive stomach in the first place. It's a simple change worth trying alongside a suitable food.
- When should I take my shih tzu to the vet about stomach issues?
- If digestive upset is persistent, involves ongoing vomiting or diarrhoea, comes with weight loss, or your dog seems generally unwell, it's time to see a vet rather than trying another food change first.
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Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.