Bloat is the fastest-moving emergency most dog owners will ever face. The stomach fills with gas and can twist, cutting off its own blood supply, and a dog who was fine after supper can be in serious trouble within hours. The signature sign is retching that produces nothing, and that alone is worth a drive to a veterinary hospital.
What is actually happening
The stomach distends with gas and fluid. In the more dangerous version it also rotates, which seals both ends so nothing can escape. Pressure builds, blood flow to the stomach wall and back to the heart is cut off, and the dog goes into shock. Tissue begins to die.
This is not an upset stomach that worsens overnight. It is a mechanical emergency with a clock attached, and the dogs who do well are the ones who arrive early.
Which dogs are most at risk
- Deep-chested breeds, including Great Danes, standard poodles, German shepherds, boxers, weimaraners, setters, dobermans and basset hounds.
- Large and giant breeds generally, though it happens in smaller dogs too.
- Older dogs, with risk rising with age.
- Dogs with a close relative who has had it.
- Fast eaters, dogs fed one large meal a day, and dogs who gulp a lot of air.
- Lean, anxious or easily stressed dogs.
If you own one of those breeds, the most useful thing in this article is knowing what it looks like before it happens to you at nine on a Sunday evening.
The signs to know
- Retching or heaving that brings nothing up, or only white froth. This is the classic sign and the one to act on.
- Restlessness and pacing. The dog cannot get comfortable, keeps standing up, lying down and moving.
- A swollen, tight abdomen, often most obvious behind the ribs on the left. It can sound like a drum if tapped. In deep-chested dogs it is sometimes not visible at all, which is why you cannot rule it out by looking.
- Drooling, often a lot, and repeated swallowing.
- Hunched posture, or a dog who stands with the front end down and the back end up.
- Panting, a racing heart, pale gums, weakness, and later collapse.
Do not wait to see whether it settles, do not offer food or water, and do not try any home remedy. Phone our urgent care on the way in so the team is ready, and if it is outside our hours, drive to the nearest open emergency hospital and phone them from the car.
What happens when you arrive
Assessment is fast, because it has to be. The team checks the gums, heart rate and pulse quality, feels the abdomen, and looks for the signs of shock. Stabilizing comes first, usually with intravenous fluids and oxygen, along with relieving the pressure in the stomach.
An X-ray through our medical services confirms whether the stomach has twisted, which determines everything that follows. A stomach that has rotated needs surgery, and the timing of that surgery is the single biggest factor in the outcome.
Many surgeons will also tack the stomach to the body wall during that procedure to stop it twisting again, and it can be done preventively in high-risk breeds, often at the same time as a spay or neuter. If you own a breed on the list above, that is a conversation worth having with our surgical services team at a routine visit rather than in an emergency.
Lowering the risk
Nothing here makes a dog immune, and no dog is fully protected, but these are the practical steps:
- Feed two or three smaller meals rather than one large one.
- Slow the eating down with a slow-feeder bowl, a puzzle feeder, or food spread on a flat tray.
- Keep the hour after meals calm. No hard running, wrestling or fetch immediately before or after eating.
- Do not let a hot, thirsty dog drink an enormous amount at once. Offer smaller amounts more often.
- Manage stress around food in multi-dog households, since competition makes dogs eat faster.
- Raised bowls are not a fix. In large and giant breeds they have been linked to a higher risk rather than a lower one, so feed at floor level unless we have specifically advised otherwise.
- Know your route. If you own a high-risk breed, know where to go at two in the morning and keep the number in your phone.
Not every swollen belly is bloat
Abdominal swelling has other causes, including fluid accumulation, an obstruction, and problems in the spleen or liver. Repeated vomiting has a long list of causes too, and most are not emergencies. Our guide to why dogs vomit works through the everyday reasons.
The distinction that matters at home is simple. Vomiting brings something up. Bloat is the dog who tries repeatedly and produces nothing, paces, and cannot settle. When you are unsure, phone. The cost of an unnecessary visit is an evening; the cost of waiting on a real one is far higher.
Frequently asked questions
How fast does bloat progress?
Hours, not days. Dogs can go from apparently normal to shock within a few hours, and sometimes faster. That is why the advice is to travel first and phone from the car rather than watching for another half hour.
My dog’s stomach looks normal. Can it still be bloat?
Yes. In deep-chested dogs the distended stomach can sit up under the ribcage where you cannot see or feel it. Judge by the behaviour, especially unproductive retching and restlessness, rather than by the shape of the belly.
Is it caused by eating too fast?
Fast eating is one recognized risk factor among several, alongside breed, age, family history and body type. Plenty of affected dogs ate normally. Slowing meals down is worth doing, but it is not a shield.
Should I get my dog’s stomach tacked preventively?
For some high-risk breeds it is a reasonable conversation, particularly if it can be done at the same time as another planned procedure. Whether it suits your dog depends on breed, age, family history and general health, so ask us rather than deciding from an article.
Can small dogs get it?
It is far less common, but yes. Any dog who is retching without producing anything, has a tight abdomen and cannot settle should be seen, regardless of size.
My dog had bloat once and recovered. Can it happen again?
If the stomach was not tacked during surgery, the risk of recurrence is significant. Ask what was done at the time, and if it was not, discuss whether it should be.
Speak to the team at Ridgeview Animal Hospital
If your dog is retching without bringing anything up and cannot settle, phone us and come in now. Outside our hours, drive to the nearest open emergency hospital and phone them on the way.
Published by the team at Ridgeview Animal Hospital.
This article is for general educational purposes only and is not a substitute for an in-person veterinary examination or advice about your individual pet. If you have an urgent concern about your pet, contact Ridgeview Animal Hospital or your nearest emergency veterinary hospital right away.
Ridgeview Animal Hospital
10833 160 Street, Unit 605, Surrey, BC V4N 1P3
Phone: (604) 359-6464
Email: info@ridgeviewvethospital.com
Hours: Monday to Friday 8:30 AM to 7:00 PM; Saturday 9:00 AM to 4:00 PM; Sunday closed