The Frenchie Tummy Guide: Gas, Vomiting & Soft Poop (and What Actually Helps)
If you've ever had to leave the room because of your Frenchie, you're in good company. "Why does my Frenchie fart so much?" is one of the most common questions Frenchie owners type into Google.
Some gas is normal. But Frenchie tummies really do have it harder than most.
Why Frenchies have sensitive stomachs
Diarrhea is the #2 reason Frenchies see the vet. In a study of 2,228 French Bulldogs at UK vet clinics, diarrhea was the second most common diagnosis, right after ear infections (O'Neill et al., 2018).
They have the most gut trouble of the flat-faced breeds. A study of 750 flat-faced dogs found Frenchies had about twice the odds of stomach and esophagus problems compared with Pugs (SAVSNET, 2022).
There are two big reasons:
- Swallowed air. A flat face makes it harder to eat without gulping air. Air in means gas, burping and bloating out.
- Breathing and digestion are linked. When a Frenchie works hard to breathe, the pressure changes in the chest can push stomach contents back up. That's why some Frenchies regurgitate or "spit up" food.
Normal gas vs a real problem
Usually normal: occasional gas, a burp after eating, a soft stool after a new treat.
Worth a vet visit: gas every day that clears a room, stools that are soft for more than 2 to 3 days, vomiting more than once a week, licking lips and gulping after meals, weight loss.
Emergency, call right away: a swollen or hard belly, retching with nothing coming up, repeated vomiting, blood in vomit or stool, weakness or collapse.
5 changes that quiet a Frenchie tummy
1. Use a flat-face-friendly slow feeder
Pick a wide, shallow bowl with gentle ridges. Deep, narrow slow feeders frustrate Frenchies and can make them gulp harder. A slightly raised or angled bowl can help too. Watch how your dog eats and adjust.
2. Smaller meals, more often
Split the same daily amount into 3 or 4 small meals. You're dividing the food, not adding more. Then keep things calm for about an hour after eating: no zoomies, no rough play.
3. One food, one change at a time
Constantly switching foods keeps the gut guessing. Once you find a food your Frenchie does well on, stick with it. If you need to switch, do it over 7 to 10 days, mixing a little more new food in every few days.
4. Cut the extras
Table scraps, rawhides and rich treats are the most common gas makers. Keep all extras under about 10% of daily calories.
5. Support the good bacteria
The gut is home to trillions of bacteria that help digest food and keep stools firm. Stress, food changes and scavenging can throw that balance off. Certain probiotic strains have been studied for their positive effects on stool quality and the gut environment in healthy dogs (J Anim Sci, 2025).
I give my Frenchies HolistaPet Probiotic Chews every day. Each chew has 3 billion live cultures from 9 strains, plus pumpkin and sweet potato for gentle fiber. Under 20 lb: 1 chew a day. 20 to 50 lb: 2 chews.
When does a food trial make sense?
If your Frenchie has ongoing soft stools, vomiting, itchy paws or ear infections, food allergy could be part of it. Chicken and beef are common triggers, but they aren't automatically bad for every dog.
The only reliable way to find out is a vet-guided elimination diet: one new protein (or a special hydrolyzed food) for about 8 weeks, with nothing else. No treats, no table scraps, no flavored chews. Your vet then adds foods back one at a time to see what causes the reaction.
Switching brands every few weeks on your own usually makes it harder to find the answer.
Your Frenchie tummy checklist
- ☐ Wide, shallow slow feeder
- ☐ 3 to 4 small meals a day, calm time after eating
- ☐ One food, changed slowly
- ☐ Extras under 10% of calories
- ☐ Daily probiotic
- ☐ Know the emergency signs
This article is general information, not veterinary advice. Talk to your vet about your own dog.