why is my dog shaking and throwing up

Why Is My Dog Shaking and Throwing Up? Causes, Symptoms & When to See a Vet

ByDr. Michael

Table of Contents

Introduction

If you’re a dog owner, seeing your pet shaking and throwing up can be alarming. You may find yourself frantically searching, “Why is my dog shaking and throwing up?” While vomiting or trembling alone can sometimes be harmless, when they occur together, it may signal a more serious issue. This article breaks down the possible causes, when to worry, and how to respond appropriately.

Is It Normal for Dogs to Shake and Vomit?

Shaking and vomiting are not typically normal behaviors when they happen simultaneously. While a dog may shake due to cold or excitement and vomit from eating something disagreeable, the combination of these symptoms may suggest pain, poisoning, or illness. It’s important to assess other signs and your dog’s overall behavior.

Common Causes of Shaking and Vomiting in Dogs

There are several possible reasons your dog may be shaking and vomiting. Some are mild and resolve on their own, while others require immediate attention.

1. Motion Sickness

Dogs can get carsick just like humans. If your dog has been in a vehicle recently, this could explain the symptoms.

2. Eating Something Toxic

Ingesting chocolate, xylitol, grapes, medications, or toxic plants can cause vomiting, tremors, and even seizures.

3. Gastroenteritis

An inflamed stomach and intestines—often caused by infections, parasites, or dietary indiscretion—can cause vomiting and abdominal discomfort that leads to shaking.

4. Anxiety or Stress

Dogs experiencing anxiety may tremble, drool, and even vomit. Loud noises, separation, or new environments can be triggers.

5. Overexertion or Heatstroke

If your dog has been active in hot weather, vomiting and shaking could signal overheating or dehydration, both of which are serious.

Serious Medical Conditions to Consider

If the symptoms are sudden or severe, they may indicate a more dangerous condition.

1. Pancreatitis

This is inflammation of the pancreas, often caused by high-fat meals. Symptoms include vomiting, shaking, abdominal pain, and lethargy.

2. Kidney or Liver Disease

Organ dysfunction can result in nausea, tremors, and general weakness.

3. Addison’s Disease

A hormonal disorder that causes vomiting, shaking, low energy, and collapse. Often misdiagnosed, but very treatable with early detection.

4. Poisoning or Toxic Exposure

Chemicals like antifreeze or household cleaners can quickly lead to critical symptoms including vomiting and shaking. Time is critical in these cases.

5. Neurological Conditions

Issues such as seizures or nerve damage can result in tremors paired with gastrointestinal symptoms.

When to Call the Veterinarian

It’s best to contact your veterinarian if:

  • Symptoms persist for more than a few hours
  • Your dog is lethargic, confused, or disoriented
  • There is blood in vomit or stool
  • Your dog has a known medical condition
  • You suspect poisoning or toxic ingestion

What Your Vet Might Do

Your vet will start with a physical exam and ask for a symptom timeline. Diagnostic tests may include:

  • Blood work
  • Urinalysis
  • X-rays or ultrasound
  • Fecal exam (for parasites)
  • Toxin screening if poisoning is suspected

Treatment may involve IV fluids, anti-nausea medication, activated charcoal, or more specific interventions depending on the diagnosis.

First Aid and Home Care Tips

While waiting for vet care—or if symptoms are mild—you can take the following steps:

  • Keep your dog calm and comfortable in a quiet, cool space
  • Offer small sips of water but withhold food until vomiting stops
  • Do not give human medications unless instructed by a vet
  • Remove access to potentially toxic substances

How to Prevent Future Incidents

Prevention starts with careful monitoring and good lifestyle practices:

  • Keep all toxic substances out of reach
  • Feed a high-quality, consistent diet
  • Avoid feeding table scraps or fatty foods
  • Monitor your dog during walks and playtime
  • Ensure regular vet checkups and vaccinations

Conclusion

When your dog is shaking and throwing up, it’s important to stay calm but act quickly. These symptoms, while not always serious, can be signs of underlying conditions that need medical attention. By understanding the potential causes—from stress to illness—you can make informed decisions about your dog’s care. When in doubt, always consult your veterinarian for guidance.

Looking for more canine health tips? Explore our blog for expert advice on keeping your furry friend happy, healthy, and safe.

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