Dog Throwing Up White Foam? | Everything You Need To Know!

Have you ever had the unfortunate experience of seeing your beloved pup vomit up white, foamy liquid?

Don’t panic!

It is an alarming sight, there could be some underlying causes that can easily be addressed to get your furry friend feeling better soon.

This article will provide informative advice and reassurance on what might lead your dog to throw up white foam and how best to address this issue.

Why Is My Dog Throwing Up White Foam?

Vomiting is a common symptom that many different things can cause, but it could mean something more serious when it involves white foam.

We will now have a deeper look into the potential causes of vomiting white foam in dogs.


Dogs usually vomit for various reasons, such as eating too quickly or having sensitivity to certain foods.

But if the vomit is white foam-like, it could indicate indigestion.

Indigestion in dogs often occurs when a dog’s normal digestion process is disrupted from not properly breaking down food components.

If this happens, the dog will likely experience gastric distress, vomiting white foam to eliminate what is causing the problem.

Dog owners need to pay attention and identify any issues their pets may have so that they can provide proper care.

If the vomiting persists or worsens, it is best to consult a veterinarian immediately.

Acid Reflux

Acid reflux is common in many dogs, where stomach acid and other digestive fluids come back into the esophagus.

This can irritate the throat and mouth tissues, leading to vomiting.

A dog vomiting white foam regularly could signal an ongoing acid reflux problem.

The foam may be caused by a buildup of bile or mucus caused by gastric acid forced back up from the stomach into the throat.

Persistent cases of acid reflux should be managed with veterinarian-prescribed medications or dietary adjustments depending on their severity.

Untreated cases can lead to oral sores or tissue inflammation from long-term exposure to gastric acids.

Kennel Cough

Kennel Cough, known as canine infectious respiratory disease, is an upper respiratory infection found mainly in dogs.

It is highly contagious and can spread rapidly between animals.

Bacteria, a virus, or a combination of both cause this condition.

Symptoms vary from mild to severe but typically include a dry cough, fever, and exhaustion.

In some extreme cases, dogs may experience vomiting and nausea resulting in white foam being thrown up.

Treatment for kennel cough depends on the severity of the case but will typically involve antibiotics and supportive care such as rest and fluids.

By taking appropriate measures, such as vaccinating your pet against the disease, you can significantly reduce the likelihood of them contracting it.


Bloat is a painful, potentially life-threatening condition in dogs that can cause them to vomit white foam.

Bloat is a dangerous illness that requires quick veterinary intervention.

Bloat causes restlessness, drooling/salivating, retching without vomiting, and heavy panting.

Untreated bloat can kill from shock or organ compression.

You may prevent bloat in your dog by knowing its symptoms and causes and seeking veterinary care if necessary.


Pancreatitis is a possible reason dogs may vomit or throw up white foam.

Several factors, such as infection from bacteria, viral diseases, metabolic disorders, and unusual protozoa, can cause this medical condition.

However, the primary causative factor for pancreatitis in dogs is dietary indiscretion.

If your dog is exhibiting signs of vomiting white foam or if you notice it in their stool or vomit, you must contact your veterinarian as soon as possible.

An early diagnosis can support effective treatments and help improve your pup’s long-term health and well-being.

Kidney Disease

Kidney Disease is a serious health issue in dogs of all ages and breeds.

It occurs when the kidneys fail to properly control substances like calcium and phosphorus and have difficulty working optimally in filtering toxins from the bloodstream.

When this happens, the white foam may be thrown up due to built-up urea in the stomach.

The amount of foam expelled can range from infrequent burps to continuous retching or vomiting.

Sadly, there is no known cure for kidney disease, and some treatments may not provide significant relief for chronic cases.

Monitoring your dog’s health for signs of unusual behavior, maintaining regular vet checkups, and providing a healthy diet are steps to manage kidney disease’s effects.


Parvovirus, or CPV, is a highly contagious disease that can affect dogs of all ages and sizes.

It is most commonly spread through contact with contaminated feces from infected animals and left untreated.

It can lead to severe dehydration, pneumonia, and even death.

One of its telltale signs is the presence of white foam when your dog vomits- this often happens due to violent stomach contractions.

This occurs as part of the digestive inflammation caused by parvovirus.

Although it’s important to visit your vet if you see symptoms such as these, preventative measures such as vaccinating puppies early and keeping them away from fecally contaminated areas will help greatly limit their risk of being infected by CPV.

What Is White Foamy Vomit?

White foamy vomit in dogs can cause concern for pet owners.

It is caused by excessive acid production as the stomach empties, which causes digestive tract irritation and can lead to symptoms of indigestion, such as vomiting up white, foamy substance.

If your dog is vomiting foam, it is important to take him to the veterinarian to rule out any serious conditions that could be causing it.

He may need medication to calm his stomach and reduce acid production.

Monitoring your pup’s diet and activity level can also help minimize the chances of white foamy vomiting in dogs.

My Dog Is Throwing Up White Foam: Do I Need To Worry?

When a dog throws up white foam, it can be alarming for pet owners.

White foam can often indicate that the dog is suffering from gastroenteritis – an inflammation of the stomach and intestines.

If your pup is vomiting white foam and not eating, they should be seen by a vet immediately as they may suffer from dehydration.

Dietary indiscretion, food intolerance, parasites, worms, liver or renal disease, viruses, bacterial infections, tumors, and more can cause dogs to vomit.

White foam may disappear on its own, but it’s best to know whether a medical problem is causing it.

What Should I Do If My Dog Vomits White Foam?

White foam vomit in dogs might indicate indigestion, food allergies, bloat, or foreign body ingestion.

To prevent this from happening again, change your dog’s diet to one with healthy ingredients and monitor for symptoms of distress when eating.

If your dog vomits white foam, call the vet or seek emergency care immediately.

Your vet can diagnose and treat the issue.

How Do I Treat My Throwing Up White Foam Dog At Home?

Taking care of a dog that has been vomiting white foam can be a worrying time.

It can often indicate a gastrointestinal disturbance and should never be ignored.

The first step is to check your pup’s hydration levels, as dehydration from vomiting can lead to further problems.

A good way to do this is by gently pinching the skin on their chest or back.

If it snaps back quickly, they are likely properly hydrated.

If not, then offer small amounts of electrolyte-rich fluids such as chicken broth or pedialyte every 15 minutes for the next few hours and monitor for improvements.

Additionally, always remember to contact your vet if signs do not improve in 48 hours .

It’s better to take precautions than risk further complications.

How Can I Prevent My Dog From Throwing Up?

Keeping your dog healthy and vomit-free is an important part of pet ownership.

Luckily, there are a few simple steps that you can take to ensure that your pup stays in good health.

To start, providing your furry friend with plenty of clean, fresh water throughout the day is essential.

Also, ensure you feed him quality food so his stomach is not irritated.

Additionally, regular exercise can be helpful since increased activity aids digestion and helps stave off digestive problems and vomiting.

Keeping the area clean around your pup’s bowl can also help dissuade him from scavenging for snacks that can make him vomit.

Finally, suppose vomiting becomes more frequent or severe.

If so, it could be a sign of a more serious problem. In this case, you should call your vet right away to find out what to do about your dog’s stomach problems.

After reviewing your dog’s symptoms, talking to your vet, and researching the causes of this ailment, you may make informed decisions about his care.

If the white foam is transient, as from eating something they shouldn’t or indigestion, it may be treatable at home.

If your dog has a stomach infection or other serious illness, take them to the vet right away.

White foam vomiting may signal a chronic health issue.

To keep your dog happy and healthy, learn the causes of white foam vomiting and act quickly!

Before You Go…

You now know the reasons for dog throwing up white foam.

If you want to learn more, read the following articles too!

Mena Emad, DVM
Mena has a Bachelor’s degree in veterinary medicine. His expertise, passion for animal welfare, extensive knowledge, and experience in the field of veterinary medicine make him an excellent resource for our readers.