Pet Health

Vomiting vs regurgitation in dogs and cats - what is the difference?

Discover the key differences between vomiting and regurgitation in dogs and cats. Learn how to identify each, potential causes, and when to seek veterinary care.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Illustration comparing symptoms of vomiting and regurgitation in dogs and cats with labeled diagrams of each condition.

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It’s always alarming when your dog or cat vomits or regurgitates. You might find yourself wondering: Is this a serious issue? Should I call the vet? While these symptoms may seem similar, vomiting and regurgitation are distinct processes, and understanding the difference can help you respond appropriately to your pet’s needs.

⚠️ What to Watch For

Vomiting and regurgitation often look alike, but there are key differences in how they happen and what they might mean for your pet’s health. Here’s how to tell them apart:

  • Vomiting: This is an active process where your pet forcefully expels stomach contents. It’s often preceded by signs like drooling, lip licking, retching, or abdominal contractions.
  • Regurgitation: This is a passive process where undigested food or liquid comes up without warning. It usually happens shortly after eating or drinking, and there’s no retching or abdominal effort involved.

Carefully observing your pet’s behavior when they bring something up can provide vital clues for determining whether it’s vomiting or regurgitation.

🔍 Possible Causes

The causes of vomiting and regurgitation can vary widely, ranging from minor issues to serious medical conditions. Here’s a breakdown:

  • Common causes of vomiting:
    • Eating something toxic or indigestible
    • Dietary indiscretion (e.g., table scraps, spoiled food)
    • Infections like gastroenteritis
    • Parasites such as roundworms
    • Chronic conditions like kidney or liver disease
  • Common causes of regurgitation:
    • Esophageal disorders like megaesophagus
    • Eating too quickly or overeating
    • Congenital abnormalities
    • Foreign bodies lodged in the esophagus
    • Certain neurological or muscular conditions

If your pet is experiencing frequent vomiting or regurgitation, it’s essential to identify the underlying cause to ensure proper treatment.

✅ What You Can Do at Home

In many cases, you can take steps at home to help your pet feel better and reduce the risk of vomiting or regurgitation. Here are some practical tips:

  • For vomiting:
    • Withhold food for 12–24 hours (for adult pets only, not young puppies or kittens) to allow the stomach to rest.
    • Offer small amounts of water to prevent dehydration.
    • After fasting, reintroduce a bland diet like boiled chicken and rice in small portions.
  • For regurgitation:
    • Feed smaller, more frequent meals to prevent overeating.
    • Elevate your pet’s food and water bowls to reduce strain on the esophagus.
    • Ensure your pet eats slowly by using a slow feeder bowl or puzzle feeder.

Always monitor your pet closely after making these changes. If symptoms persist or worsen, consult your vet for further guidance.

💡 When to Call a Vet

While occasional vomiting or regurgitation might not be an emergency, there are situations where veterinary attention is crucial. Contact your vet if you notice any of the following:

  • Frequent or severe vomiting/regurgitation
  • Blood in vomit or regurgitated material
  • Signs of dehydration (e.g., dry gums, lethargy, sunken eyes)
  • Weight loss or difficulty eating
  • Abdominal pain, bloating, or discomfort
  • Vomiting or regurgitation accompanied by other symptoms like diarrhea, fever, or coughing

Early intervention can make a significant difference, especially if a serious condition like an obstruction or infection is involved.

FAQs

Q: How can I tell if my pet is vomiting or regurgitating?
A: Vomiting involves active retching and abdominal effort, while regurgitation is passive and occurs without warning. Observing your pet’s behavior closely can help you differentiate between the two.

Q: Should I be worried if my dog or cat vomits once?
A: An isolated incident of vomiting might not be a cause for concern, especially if your pet seems otherwise healthy. However, repeated vomiting or other symptoms like lethargy or dehydration warrant a vet visit.

Q: Can I prevent regurgitation in my pet?
A: You can reduce the likelihood of regurgitation by feeding smaller meals, using elevated bowls, and encouraging slower eating habits.

Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.

References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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