Breed Health Guide • Reviewed by Dr. Tiffany Delacruz, DVM
Bloat / Gastric Dilatation-Volvulus (GDV) in Great Danes
Also known as: GDV
Bloat — gastric dilatation-volvulus — is the single most life-threatening condition every Great Dane owner needs to know. The stomach fills with gas and twists on its axis, cutting off blood flow. Without surgical intervention within hours, GDV is fatal. Great Danes have the highest documented breed risk of any breed.
Why Great Danes are predisposed to bloat / gastric dilatation-volvulus (gdv)
The deep, narrow chest of Great Danes is the defining anatomic risk factor — the stomach has room to rotate. Estimates suggest ~37-42% of Great Danes will experience GDV during their lifetime without prophylactic gastropexy. Other risk factors that compound the breed predisposition: rapid eating, one large daily meal, eating from raised bowls (counterintuitively a risk, not a protection), nervous temperament, and a first-degree relative with GDV.
What you'll see at home
- Unproductive retching (trying to vomit, nothing coming up) — THE classic sign
- Distended, hard abdomen
- Restlessness, pacing, inability to settle
- Excessive drooling
- Pale gums
- Weakness or collapse
- Rapid shallow breathing
- Visible discomfort and distress
Red flags — go to an emergency vet
- ⚠ ANY of the above in a Great Dane = EMERGENCY — DRIVE TO ER IMMEDIATELY
- ⚠ GDV kills in hours, not days. Time matters.
- ⚠ Don't wait to 'see if it gets better'
- ⚠ Don't call telehealth first if symptoms are present — drive
- ⚠ Call ahead to alert the ER you're coming with a suspected GDV
How vets diagnose bloat / gastric dilatation-volvulus (gdv)
Clinical signs in a deep-chested breed are highly suggestive. Lateral abdominal radiograph showing the 'double-bubble' or 'reverse C' sign confirms volvulus. Bloodwork shows the systemic shock developing. Diagnosis happens fast — surgery is what matters.
Treatment options
Emergency: aggressive IV fluid resuscitation, stomach decompression (orogastric tube or trocharization), then surgery. Gastropexy (suturing the stomach to the body wall) prevents recurrence. PROPHYLACTIC gastropexy at the time of spay/neuter prevents the lifetime risk and is the standard recommendation for the breed.
Living with a Great Dane who has bloat / gastric dilatation-volvulus (gdv)
- 1 Prophylactic gastropexy is the single most important preventive surgery for any Great Dane — do it at spay/neuter age
- 2 Multiple small meals, not one large one
- 3 Slow feeders or puzzle bowls if your Dane eats fast
- 4 Avoid intense exercise within 30-60 minutes of meals
- 5 No raised food bowls (older advice; current evidence suggests they INCREASE GDV risk)
- 6 Maintain calm feeding environment
- 7 Every Dane owner should know what bloat looks like and where the closest 24-hour ER is
- 8 Pet insurance for emergency surgery is highly recommended for this breed
Can RexVet help with this online?
RexVet is well-suited for: pre-puppy education about GDV and prophylactic gastropexy, post-surgical recovery questions, feeding strategy coaching to reduce risk, and general Great Dane care guidance. We are NOT the right resource during an active suspected bloat — drive to the ER.
Start a $64.99 video visit →GDV cannot be diagnosed or treated by video. ANY signs of bloat in a Great Dane require immediate in-person emergency care. We will tell you exactly this — telehealth is not the answer in a suspected GDV.
Prognosis — what to expect
With early surgical intervention, survival is good (70-85%). With delayed treatment, mortality climbs sharply. Without surgery, fatal. Prophylactic gastropexy reduces lifetime GDV risk to near-zero — which is why it's the single most important intervention for the breed.
Frequently asked questions
Frequently asked questions
Should I get my Great Dane a prophylactic gastropexy?
Yes — it's the standard recommendation for the breed. Without it, ~37-42% of Danes will experience GDV in their lifetime; with it, the risk drops to near-zero. Most commonly done at the time of spay/neuter to combine anesthesia events. Laparoscopic gastropexy is minimally invasive and increasingly available.
What does bloat look like in a Great Dane?
The classic picture is unproductive retching (trying to vomit, nothing coming up) plus a distended, hard abdomen and restlessness. The dog can't get comfortable. Drooling, pale gums, and weakness develop. If you see any of this in a Great Dane, drive to the ER immediately — don't wait.
Can I prevent bloat with feeding changes alone?
You can reduce risk but you can't eliminate it. Multiple small meals, slow feeders, calm feeding environment, and avoiding intense exercise around meals all help. Prophylactic gastropexy is the only reliable prevention — feeding strategy is a supplement, not a replacement.
Other conditions common in Great Danes
Further reading from the RexVet blog
Other helpful RexVet resources for Great Danes parents
Sources
Last fact-checked: 2026-06-04. Reviewed by Dr. Tiffany Delacruz, DVM.
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