My Dog Throwing Up White Foam? Causes and Solutions

dog throwing up white foam

Is your dog throwing up white foam or spitting a white foamy substance? If yes, there is no emergency initially if the dog is acting well, but yeah if this vomiting happens for a longer duration and a sign of lethargy and sickness is visible, then this is the sign of something serious. Let’s first answer the common question about what is this white foam and why this happens?

Understanding Vomiting in Dogs

Definition of vomiting in dogs

Vomiting is common in dogs and is characterized by the expulsion of stomach contents through the mouth. It can be caused by a number of factors ranging from ingestion of harmful substances to underlying health problems. It is important for pet owners to understand the possible causes and symptoms to ensure proper care of their pets.


Before getting into the specific case of a dog vomiting white foam, it is important to know the general symptoms of vomiting in dogs. Some common signs are

  • Retching
  • loss of appetite
  • lethargy
  • abdominal pain or discomfort
  • Increased drooling
  • dehydration

It is important for owners to monitor their dogs for these symptoms and to contact their veterinarian if they persist or worsen.

White foam vomiting

One obvious form of vomiting in dogs is the expulsion of white foam. This is caused by excess gas and saliva in the stomach mixing with liquids and creating a bubbly, foam-like consistency. Alternatively, white foam can form in the airways when fluid in the airways mixes with air, sometimes causing confusion between severe cough and vomiting.

Although white foam from vomiting may seem concerning, it is relatively common and is usually not an immediate cause for concern. However, it is still important to understand and address the root cause, such as:

  • indigestion
  • pancreatitis
  • Ingestion of a foreign body
  • infectious disease
  • Acid reflux

Given the numerous possible reasons why a dog vomits white foam, it is important for owners to contact their veterinarian to obtain an accurate diagnosis and appropriate treatment to ensure the dog’s well-being.

What Exactly Is This White Foam Vomit and Why Is My Dog Throwing Up White Foam?

Due to the mixture of the dog’s saliva, digestive juices, and air irritating the mucus lining of your dog’s stomach that discomfort results in throwing up white foam. Sometimes throwing up white foam can be pale too this is because of the bile present in it.

The Most Common Causes Are:

The most common reason why dog throwing up white foam is indigestion or gas in their stomach. The other causes are:

Eating Grass and Plants: Trace the steps and analyze where your pooch has possibly eaten the grass or plant. Analyzing this will make you sure that the dog has or hasn’t eaten something poisonous.

Heatstroke: Are you out for a long time and it’s summer? Then there is the hundred percent possibility that your dog is suffering from heatstroke.

Unable to Digest Toxics: Dogs tend to be stiff and eat a lot of things during the day and most of them contain toxins, so there are many toxic which dog bodies can’t digest and spit out in the form of white foamy vomit.

Read also: Dog’s Kennel Nose: A Best Guide To Treat It Efficiently at Home

Eating Heavy and Spicy Human Food: You and your dog enjoyed the meal together. That was wonderful but the food we eat is not easy to digest by your pooch. So if you are eating heavy and spicy meals like yours stop it because this may lead to a big problem.

Gastroenteritis: This is a common bacterial infection that happens to dogs somewhere or anywhere in the digestive tract due to parasites, germs, and bacteria entering the body with food or chewy toys.

Many of these causes can be cured by proper rest, and fasting so there is no need for an emergency but still keep a close eye on the dog.

The Less Common Causes Are:

These fewer common causes of throwing up white foam or throwing up clear liquid can be considered severe and very harmful to dogs’ health. An urgent appointment with the vet is recommended.

Kennel Cough: This is nothing but infectious bronchitis in dogs and this is caused by several bacteria in the respiratory system. This is the most contagious illness in dogs.

Read also: Teacup Maltese Dog Complete Breed Profile: Size, Temperament

Organ Dysfunction Such as Kidney Disease: When your pooch’s kidney isn’t functioning properly this may result in frothy vomit.

Bloat: Just as humans dogs also feel bloated but their bloating can be severe for them.

Pancreatitis: The inflammation in a dog’s pancreas can result in this disease which is identified by the dog’s white foamy vomit.

Fungal Infections: Dogs can be in contact with various environmental fungal infections because they love to play outside. These fungal infections can be spread by a bird or a bat and these can result in vomit, diarrhea, and loss of appetite.

Treatment for White Foamy Vomit:

If your dog throws up white foam once or twice and acts happy and active then there is no need to take your puppy to the vet. This can be caused by some common causes (mentioned above) and can be cured by making you fast for 12 hours and slowly starting the diet by eating something light and bland (e.g. boiled white rice).

During this fasting period make sure your dog takes a good amount of sleep too because this will give him a rest as well as keep the dog calm.

But if your dog throwing up white foam more than twice and more than a few days say 2-3 days then it is best to monitor for more symptoms and urgently call for a vet’s appointment.

Read also: Why Pugs Are the Worst Breed? Why You Shouldn’t Buy Pugs

The vet will examine the symptoms (also tell how the dog is behaving for the past few days) and will give the essential medications and if needed certain injections too. Don’t be scared in that situation.

Preventive Measures to Take for the Future:

Prevention is better than the cure, right. So the prevention steps you can start to avoid something severe to your loved puppies are:

  • The first and foremost step is to regularly take your dog for wellness checkups to an experienced vet (once or twice a month recommended). Through these vet schedules, the vet will be able to identify sooner if something wrong or severe is developing in the body and can act upon it.
  • If your backyard has some poisonous plants to dogs’ health (e.g. pennyroyal or tomato plants) get rid of them, it cannot then keep your dog away from them or at least make sure your pup is not eating them while wandering the yard.
  • Keep the dog’s chewy toys or balls clean and hygienic. Make sure you are buying a 100% non-toxic product for them and cleaning those things with non-toxic disinfectants.
  • Keep track of their food intake. Please don’t feed them what you eat. Dogs’ digestive system is different, if your dog doesn’t like dog food then try to change the flavors and types frequently. Also don’t give them treats much.
  • Keep their water and food bowls clean.

Conclusion With Suggestion

Dogs’ illnesses need a lot of attention from their caretakers but it is difficult to cope with the busy schedule of the dog owner and mostly the caretakers are dog owners only. So it is suggested to avoid dog illnesses like dog throwing up white foam or any other serious situation. Have an experienced and certified nanny for your doggo when you are away or have a busy schedule.

Unlike any other, blogalma has a team of certified and experienced professionals who can identify dog diseases just by symptoms and take required actions as soon as possible. They also take care of dogs like their own and keep track of everything like dietary requirements, walks, vet schedules, and much more.

FAQs About Dog Vomiting

Is occasional vomiting normal for dogs?

Occasional vomiting can be normal, but frequent episodes warrant attention.

What can I do if my dog vomits frequently?

Consult your veterinarian for a thorough examination and proper diagnosis.

Are there specific breeds prone to vomiting white foam?

Certain breeds may be more susceptible, but any dog can experience vomiting.

Can stress really cause vomiting in dogs?

Yes, stress can contribute to gastrointestinal upset and vomiting in dogs.

When should I seek immediate veterinary care for vomiting?

Immediate care is needed for severe or persistent symptoms, indicating a potentially serious issue.

Why is my dog vomiting white foam?

Vomiting with white foam is quite common in dogs and can have various causes, including indigestion, pancreatitis, foreign body ingestion, and infectious diseases. The presence of white foam is often due to the dog vomiting without food in the stomach.

When should I worry about my dog’s white foam vomiting?

While occasional vomiting is not a serious problem, your dog’s behavior and general health should be monitored. If vomiting is frequent and you experience other symptoms such as lethargy, diarrhea, or loss of appetite, or if your dog appears to be in pain, you should consult a veterinarian.

How can I help my dog if he is coughing up white foam?

If your dog occasionally vomits white foam but otherwise seems healthy, you can try withholding food for a few hours to calm his stomach. Make sure he has access to fresh water to stay hydrated. However, if the vomiting persists or your dog displays other worrying symptoms, contact your vet for further advice.

What causes white foam vomiting in an older dog?

Age is not necessarily a factor in a dog vomiting white foam. The causes may be similar to those in younger dogs, such as indigestion or pancreatitis. However, older dogs may be at a higher risk of developing certain conditions such as kidney disease, which can also lead to vomiting.

Should I take my dog to the vet if they have diarrhea and are throwing up white foam?

Yes, if your dog has diarrhea and is vomiting white foam at the same time, you should definitely consult a vet. The combination of these symptoms could indicate an underlying health problem or infection that needs to be treated immediately.

Is it normal for a dog to vomit yellow foam instead of white?

It is not unusual for a dog to vomit different colored foam. Yellow foam is typically caused by bile in vomit and indicates that the dog’s stomach is empty. The color of the foam does not necessarily indicate a specific problem, but it is important to monitor your dog’s overall health and consult a veterinarian if vomiting persists or worsens.