Large, deep chested dogs are especially prone to acquiring this critical condition. The stomach fills with swallowed air or excessive stomach gases, becoming over-distended. At that point, the dog is unable to belch or vomit, and cannot release any pressure. The stomach continues to extend and often rotates. This excessive extension and ensuing twisting cuts off circulation to the stomach tissues causing severe pain, shock, and eventual death within hours.


  • Distension of the abdomen behind the ribs.
  • Drum-like or resonant "pinging" sound when tapping on the abdomen.
  • Repeated attempts to vomit, producing only small amounts of clear fluid (saliva)
  • Unproductive retching or vomiting.
  • Acting painful (extremely painful as the condition progresses).
  • Unable to get comfortable.
  • Depression
  • Shock
  • Death


First Aid: Transfer your pet to a veterinary facility immediately. This is a critical, life-threatening condition requiring veterinary attention.


  • Do not heavily exercise your dog 45-60 minutes before or after a meal.
  • Do not allow your dog to drink large volumes of water shortly before or after heavy exercise.
  • Never feed your dog excessive amounts of food, especially if changing diets.



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Normal Values


Temperature: 99.5-102.5
Pulse: 80-140
Respirations (breaths/min): 14-40

Temperature: 100-102.5
Pulse: 150-180
Respirations (breaths/min): 20-40