Bloat (GDV) in Dogs: The Emergency With No Home Fix

Bloat can go from a dog looking uncomfortable after dinner to a fatal emergency in under two hours, and there is nothing you can do at home except drive.

A big dog has eaten, and now something is not right. It will not settle. It gets up, turns around, lies down, gets up again. It is drooling more than usual. It keeps trying to be sick and nothing comes.

That combination is the one to learn by heart, because it is bloat, and bloat kills quickly.

The three signs, together

• Retching that produces nothing. The dog heaves repeatedly and brings up nothing at all, or a little foamy saliva.
• A swollen, distended belly. In deep-chested dogs it may not look obvious, so feel as well as look. It goes tight, like a drum.
• Restlessness and heavy drooling. Pacing, unable to lie down, visibly uncomfortable and anxious.

Seen together, assume bloat and go. Do not spend twenty minutes deciding.

Other things you may notice: discomfort shortly after a meal, a hollow drum-like note if you tap the belly gently, laboured breathing as the swollen stomach presses up against the diaphragm. Pale gums, collapse or an inability to stand are late signs. By then the dog is in shock and there is very little time.

Why there is no first aid for this

In bloat, the stomach fills with gas and then twists on itself, sealing both ends. The gas keeps coming with nowhere to go. Rising pressure crushes the blood vessels around the stomach, circulation fails, tissue starts to die and the dog goes into shock.

Nothing you can do at home reverses a twist. There is no massage, no position, no herbal preparation, no over-the-counter remedy. Only surgical decompression and untwisting fixes it. That is not a caution, it is the entire reason this page exists: your job is recognition and transport, and nothing else.

What to do

1. Recognise the signs. If you are seeing that triad, work on the assumption it is bloat.
2. Ring ahead, and ring the right place. Do not drive to a practice that might be shut. Use the out-of-hours number or ring an emergency clinic, so a surgical team is expecting you.
3. Do not wait to see if it settles. From the first symptoms to a life-threatening emergency can be one to two hours.
4. Keep the dog still and calm. If it is more comfortable sitting or standing than lying, let it choose.
5. Go. Keep the phone line open with whoever is meeting you.

What not to do

Do not try to relieve the gas yourself. People do try, and it does not work, and it wastes the only resource you have.

Do not give food, water or any oral medication. The stomach is sealed at both ends and adding to it makes everything worse.

Do not look for a home remedy online. There is not one.

Do not drive to a closed practice. Arriving at a locked door in the middle of the night is heartbreaking, and it happens because people set off without ringing.

If your dog has collapsed and is not breathing or has no pulse, start CPR and get moving.

Which dogs, and what actually helps

Bloat is overwhelmingly a large, deep-chested dog's disease. Great Danes are the classic, along with German Shepherds, Weimaraners, Standard Poodles, Setters and similar builds. It can happen in others, but if you own one of those breeds this page is written for you specifically.

There are sensible things you can do. Feed smaller meals rather than one large one. Avoid hard exercise immediately before and after eating. Slow down a dog that inhales its food with a slow-feeder bowl.

And it is genuinely worth asking your vet about gastropexy, a preventive procedure that tacks the stomach so it cannot twist. In very high-risk breeds it is often done at the same time as neutering, and for a Great Dane owner it is a conversation worth having early rather than after a bad night.

Beyond that, the most useful preparation is the one you have just done. Know the triad, know your nearest out-of-hours clinic, and know that with this one you do not wait and see.

Sources

This article was written using guidance from PDSA, the UK's largest veterinary charity, whose Pet Health Hub is written by its own vets and nurses; VCA Animal Hospitals, a North American hospital network with an extensive, vet-written pet health library; and Blue Cross, a UK pet health and welfare charity. This guidance is for general information and does not replace a consultation with your own veterinarian. In an emergency, always contact a vet. Read [how we write our health guidance](https://rochsociety.com/how-we-write-our-health-guidance/). Last reviewed July 2026.