dog throwing up white foam

What To Do When Your Dog Is Throwing Up White Foam

Wondering why your dog is throwing up white foam? It’s definitely a head-scratcher for any dog owner. Figuring out what’s up with your pooch is key to sorting it out.

This white foamy vomit could be something minor like an upset stomach, or it might point to a more serious health issue.

Either way, you shouldn’t just shrug it off.

Turns out, a lot of times, it’s stomach troubles causing that foamy mess. Yep, your dog’s tummy might be acting up. We’re going to break down what could be causing this and how you can help your pup.

Whether it’s trying out some home fixes or deciding it’s time to call the vet, we’ve got some handy tips to help your four-legged pal get back to feeling great. Keep reading – help for your doggo is right around the corner!

Key Takeaways

  • Your dog throwing up white foam could be down to something simple, like gobbling their food too quickly, or it might be a sign of something more serious, like an infection or a blockage.

  • If your pup keeps throwing up, seems really tired, isn’t eating, seems confused, or has a swollen belly, it’s time to get to the vet, pronto.

  • At the vet’s, they’ll do a check-up, ask about your dog’s health history, run some blood tests, maybe do an x-ray or ultrasound, take a stool sample, maybe even an endoscopy, and check for dehydration to figure out why your dog is vomiting.

  • For treatment, your dog might need to skip a meal and then eat bland food, take some antacids prescribed by the vet, get IV fluids if they’re dehydrated, or sometimes even have surgery if there’s a blockage.

  • To help prevent vomiting, regular vet visits are key. Feed your dog good quality food that suits their needs, keep harmful stuff out of their reach, and make sure they’re up to date on their shots.

Understanding Dog Vomiting

dog is throwing up white foam

Figuring out why your dog’s vomiting is more than just dealing with the mess; it’s about figuring out what your pooch can’t tell you. Watching out for signs like gagging, looking queasy, or their belly heaving can clue you in on what’s bugging your furry buddy, especially when it comes to that troubling white foam they’re throwing up.

Definition of dog vomiting

dog is throwing up white foam

Dog vomiting and throwing up mean the same thing. It doesn’t matter if it’s food, liquid, or something that looks like white foam. This vomit comes from the stomach or upper intestine. Your dog’s body is trying to get rid of something harmful or irritating.

When dogs throw up, it can also mean their bodies are fighting an infection or dealing with stress.

Seeing your dog vomit might worry you. Sometimes they eat too fast and throw up once without any problems after that. But if your dog keeps vomiting, especially white foam, it may be a sign of gas build-up or nausea from a health issue.

Be sure to watch if this happens more than normal, because they might need help from a vet quickly.

Symptoms to watch for

When your pup throws up white foam, it can be scary. You need to know what to look for to know if something serious is going on.

  • Blood in the vomit: It’s alarming if you see red streaks or clumps in your dog’s vomit. This could mean there’s bleeding in the digestive tract. THIS IS DEFINITELY SERIOUS!

  • Shaking: If your dog trembles or shakes after vomiting, this might signal pain or distress.

  • Intermittent vomiting: Throwing up more than once within a day, especially with white foam, could indicate a problem that needs a vet’s attention.

Common Causes of Dog Vomiting White Foam

dog is throwing up white foam

When your canine companion starts vomiting white foam, it can be a sign of something super serious or nothing at all. From the simple upset stomach due to a new doggy treat that isn’t settling well to more severe conditions such as viral infections, or obstructions, understanding the underlying cause is really important for your dog’s health.


dog is throwing up white foam

Your dog may vomit white foam due to indigestion. It’s the most common reason for this kind of vomiting. An upset stomach can happen if your dog eats too fast, gets into the trash, or chows down on something new that doesn’t sit well.

Imagine their tummy is like a washing machine – if you overload it or throw in something odd, it won’t work right and might even spew out suds! Not very appetizing I know, but hopefully the mental picture helps you understand a little more!

To soothe your pup’s digestive system, consider feeding them a bland diet for a bit. This could be boiled chicken and rice without any spices. Make sure they have lots of water to drink and keep an eye on them.

If throwing up continues or problems like diarrhea pop up, it’s time to call the vet. When your pup is flowing at both ends, he or she can get dehydrated really fast!

Next up are clues as to why dogs might vomit white foam such as acid reflux, which can irritate their esophagus and lead to discomfort and vomiting episodes.

Acid reflux

Acid reflux can be a big problem for dogs, just like it is for people. It happens when the stomach juices flow back into the throat and mouth. This causes your dog to spit up white foam filled with bile from the intestines.

Dogs might feel sick after eating or seem uncomfortable.

Treating acid reflux in dogs often involves changing their diet or giving them medicine to settle their stomach. The vet will look at what’s causing your dog’s discomfort and decide on the best treatment plan.

Even after you fix acid reflux, there are other possibilities why a dog might throw up white foam that need attention as well, such as an abrupt change in diet.

Abrupt dietary changes

dog is throwing up white foam

Switching your dog’s food suddenly can upset their stomach. Just like people, dogs need time to adjust to new foods. Imagine eating the same meal for weeks and then all of a sudden one day switching to something completely different; it might not sit well with you, either.

That’s what happens when a dog’s diet changes too fast.

When the stomach is empty, dogs may throw up white foam. This foamy vomit is because they are hungry and there is no food to digest, which leads to more saliva mixing with gastric juices.

To keep your dog’s gut happy, change their food gradually over several days by mixing in a little more of the new food with their regular meals each day. Keep an eye on their reaction as you keep adding the new food.

Food allergies or intolerance

dog is throwing up white foam

So it turns out that it’s not just humans that can be “lactose intolerant”. Dogs can have food allergies or intolerances that lead to white foam vomiting. Your dog might react to certain foods in their diet. This reaction could irritate the gastrointestinal tract (which is a fancy way to say that it gives them a tummy ache!).

If your pet often vomits white foam regularly, they may be allergic or something they ate just doesn’t settle well.

Most times, a vet can help figure out if your dog has a food allergy or intolerance. They will check for signs and help you know what to do next. Sometimes, feeding your dog a different type or brand of food helps stop the vomiting.

It’s super important to try to find out what is causing it so you can keep your pooch happy and healthy again.

Infections (bacterial or viral)

dog is throwing up white foam

Moving beyond food-related issues, infections from bacteria or viruses are also common causes of your dog vomiting white foam. If your four-legged friend picks up a nasty bug like salmonella or canine parvovirus, it can upset their stomach big time.

Canine parvovirus is an especially nasty virus. It can make dogs throw up a lot and cause bloody diarrhea. This virus is so bad because it makes dogs lose their appetite and get dehydrated quickly.

Not to mention the fact that you have to clean them up at both ends!

Dogs can catch respiratory diseases too, which might lead them to vomit white foam. This happens when they have saliva mixed with air in their chest due to an infection like kennel cough or canine infectious tracheobronchitis.

When this mix comes out, it looks foamy and white. If you see this happening with your dog, don’t wait around; get them checked by the vet fast! Kennel cough is typically not something fatal unless your pup has a weak immune system.

Foreign object obstruction in your dog’s stomach

dog is throwing up white foam

Beyond infections, another culprit for white foam vomiting is foreign object obstruction. Dogs are curious and often eat things they shouldn’t, like toys or bones. These items can get stuck in their stomachs or intestines.

I know it sounds crazy, but our dog finds balloons appetizing. I cannot tell you how many times we have seen balloons in his poop! While I’m making balloon animals with my hands, Cooper is making them with his butt!

When your dog eats stuff like Cooper, your dog might throw up white foam because the item blocks food from moving through properly.

If you notice your dog gagging, drooling more than usual, or trying to vomit without any success, it could be a sign of obstruction. This situation requires urgent veterinary care. Thankfully in the case of Cooper, it has only resulted in colorful turds!

Vets may need to perform an endoscopy or surgery to remove the object safely. Without treatment, obstructions can lead to severe complications like dehydration or damage to the dog’s digestive system.


dog is throwing up white foam

Bloat is a scary medical emergency that strikes dogs, especially the big ones with deep chests. Imagine your dog’s stomach filling up with gas and twisting around inside. That’s what happens in bloat.

It causes them to throw up white foam and feel really uncomfortable. If you see your furry friend acting restless, drooling more than usual or if their belly looks swollen, they might have bloat.

You have to get help from a vet right away because bloat can be deadly without quick treatment. To keep your dog safe from this condition, just feed them smaller meals throughout the day instead of one big one.

Don’t let them run around right after eating either. Slow-feed bowls are great for making sure they don’t eat too quickly and gulp air down with their food which can lead to trouble.

Kennel cough

dog is throwing up white foam

As we have mentioned previously, kennel cough is like a bad cold for dogs. It spreads easily from one dog to another, especially in places like dog parks or shelters. If your dog has kennel cough, you might hear a strong, dry cough that ends with white foam being gagged up.

It is also possible that their eyes and nose may also have some discharge.

Do your best to take care of a dog with kennel cough so it doesn’t get worse. You can do this by keeping them away from other dogs to stop the spread of this infectious disease. Your vet might suggest antibiotics if he suspects that bacteria caused the infection, or other medicines to help your dog’s cough get better and make them more comfortable.


dog is throwing up white foam

Your dog may throw up white foam if it swallows toxic stuff. Things like household cleaners and pesticides are extremely dangerous. If your pup gets into these, they can hurt its stomach and cause vomiting.

Dogs often feel sick fast after eating something bad.

If you think your dog ate poison, act quickly. Take them to the vet right away. Acute kidney disease from toxins needs urgent care to stop more harm. Vets can give treatments like getting rid of the toxin or using medicines to help the body heal.

Always keep dangerous chemicals out of reach to prevent these scary situations.

Other health issues

dog is throwing up white foam

Athough some of these are a recap, it’s good to be reminded that there are many potential problems in dogs can lead to them vomiting white foam. Gastrointestinal inflammation might upset your pet’s stomach, causing the throw-up. Obstructions are another issue.

If your dog swallows something they shouldn’t, it could block their insides and make them sick. Rabies is a serious but less common cause of white foam vomit.

Bloat in dogs is scary and urgent. It happens when a dog’s stomach fills with gas and twists on itself. This stops blood from flowing right, which is an emergency that needs fast help.

Acid reflux isn’t just for people; dogs get it too and may puke up foam because of it. Bilious vomiting syndrome also could be why your furry friend throws up on an empty belly.

If your dog eats something harmful like cleaning chemicals or bug spray, they might start to throw up white foam as well.

Always check what your pet eats and plays with so you can prevent these health scares.

Serious Symptoms to Look Out For

dog is throwing up white foam

If your furry friend shows any worrying signs along with vomiting, such as unusual lethargy or a distended belly, it’s crucial to get ahold of the vet right away.

Repeated vomiting

Seeing your dog vomit over and over can be scary. It’s a sign something isn’t right inside their body. Your pup might have eaten something they shouldn’t, or they could be really sick.

If white foam keeps coming up, it may mean their tummy is upset, or there’s trouble with their insides.

Take action if the vomiting doesn’t stop. Watch for other signs like tiredness, not wanting to eat, acting confused, or a swollen belly. These symptoms are serious and need quick help from a vet.


Lethargy in dogs can signal something is wrong. If your dog seems tired and doesn’t want to play or eat, it’s important to clue in. Throwing up white foam might happen along with this lack of energy.

This could mean your pet has heat stroke, an inflammation of the pancreas, or even Addison’s disease.

Sometimes a dog eats something they shouldn’t, like toys or trash. This can make them feel weak and cause vomiting of white foam, too. Other signs may include a sore tummy, diarrhea, and not wanting food.

Always check for these symptoms so you can get help from a vet right away.

Now, let’s talk about what owners should do if their dog keeps throwing up white foam and shows serious symptoms.

Loss of appetite

If your dog is not eating, it could be a sign of something serious. Dogs with pancreatitis often don’t want to eat and might seem tired. They turn away from their normal diet and show no interest in treats or food.

A sudden change like this should alert you right away.

Watch how your dog acts at meal times. If they ignore their dog food or walk away, take note. Loss of appetite can point to underlying health issues beyond just stomach problems. It’s not just pickiness; it could mean pain or discomfort inside.

Always check with a vet when your pet stops eating regularly. It’s always better to be safe than sorry!


Your dog may seem confused or have trouble standing steady if they are disoriented. This can be scary to see. Disorientation often means there’s a serious health problem that needs quick help from a vet.

It could be something affecting your dog’s brain or another part of their body.

Always watch your dog’s behavior closely after they throw up white foam. If they act dizzy or lost, call the vet right away. Next, let’s look at what might cause a bloated abdomen in dogs.

Bloated abdomen

A bloated abdomen in your dog can be a worrying sign. It often means their stomach has excess gas causing discomfort and pain. Sometimes it’s from eating too fast or diet changes. But, if you see your pet with a swollen belly, they could be facing serious health issues like gastrointestinal distress.

Watch for signs like restlessness or trying to vomit without bringing anything up. A bloated belly might signal acid reflux or more alarming conditions like gastric dilatation-volvulus, where the stomach twists on itself.

This is an emergency requiring immediate vet attention. If your dog’s tummy looks rounder than usual, don’t wait; get them checked out by a professional veterinarian immediately.

Moving on from the problems that come with a swollen stomach, let’s explore how vets go about diagnosing why dogs are throwing up white foam.

Diagnosis and Treatment for White Foam Vomiting

dog is throwing up white foam

Understanding the root of your dog’s white foam vomiting is crucial, and a veterinarian can provide a thorough examination to tailor an effective treatment plan—read on for insight into how professionals tackle this worrying symptom.

How vets diagnose the cause

Vets have tools and knowledge to find out why a dog is vomiting white foam. They use different tests to see what’s wrong. Here’s how they do it:

  • The vet starts with a physical exam, checking your dog from nose to tail.

  • They ask you questions about your dog’s health history and symptoms.

  • Vets often take blood samples to look for signs of infection or organ issues.

  • Your dog might need an x – ray or ultrasound to check for foreign objects in the stomach.

  • Sometimes vets test stool samples for parasites like worms.

  • If needed, an endoscopy lets vets look inside your dog’s stomach.

  • The vet checks for dehydration by looking at skin elasticity and moisture in the mouth and eyes.

  • Blood work can show if there is pancreatitis or electrolyte imbalances.

  • Vets use all these clues to make a diagnosis and plan treatment.

Treatment options

If your dog is throwing up white foam, there are several treatments you can try. The right approach will depend on the cause of the vomiting.

  • Withhold food and water for 12 hours if it’s a single episode. This may settle your dog’s stomach.

  • Offer a bland diet after the fasting period. Foods like boiled chicken and rice can be easy to digest.

  • Give antacid medication if prescribed by a vet. It helps control stomach acids that could cause vomiting.

  • IV fluid therapy can treat dehydration from severe vomiting, especially with fungal infections.

  • Antifungals or antibiotics might be necessary if a bacterial or fungal infection is causing the problem.

  • Surgery may be required for dogs with gastrointestinal obstructions like foreign bodies or twisted stomach (GDV).

  • Prevent nausea with anti – nausea medications from your vet. They can stop vomiting episodes.

  • Dogs with kidney issues need immediate veterinary care, especially if they have trouble urinating or show signs of lethargy.

  • Keep your dog cool and relaxed if they seem happy and are eating well despite one vomiting incident.

Prevention tips

Preventing your dog from throwing up white foam starts with understanding their health needs. Regular check-ups and a consistent diet play crucial roles in keeping your pup healthy.

  • Schedule yearly vet visits for a full check-up to catch any health issues early.

  • Feed your dog high-quality food suitable for their age, size, and activity level to prevent indigestion.

  • Introduce new foods slowly over several days to avoid upsetting their stomach.

  • Keep human medications, toxic plants, and harmful foods out of reach to prevent toxin exposure.

  • Be sure your dog’s vaccinations are up to date to protect against contagious diseases like canine distemper.

  • Watch for signs of bacterial infections and get immediate treatment if symptoms appear.

  • Provide plenty of fresh water daily to help maintain good digestion and prevent dehydration.

  • Keep an eye your pet’s behavior daily for sudden changes that could indicate a problem.

  • Protect your pup against parasites such as heartworms which can cause serious illness.


dog is throwin up white foam

Seeing your dog throw up white foam can be scary. Often, it’s caused by something simple like an upset tummy. But sometimes, it could signal a serious life-threatening problem. If your pup keeps getting sick or acts weird, see a vet right away.

Remember to give their stomach rest and feed them bland food if they’re feeling a little off. You love your dog a lot, so keep an eye on them and help them stay happy and healthy!


1. Why is my dog throwing up white foam?

Your dog might be throwing up white foam because of an inflamed stomach, digestive enzymes acting up, or they may have swallowed a foreign body.

2. Could my dog’s white foam be due to something serious like inflammatory bowel disease?

Yes, if your dog is vomiting white foam often, it could point to conditions like inflammatory bowel disease (IBD) or hypoadrenocorticism (Addison’s Disease).

3. What should I do if my dog has gastrointestinal symptoms like vomiting and diarrhea?

Take your dog to the vet for a diagnostic check-up if they have severe symptoms like throwing up and severe diarrhea.

4. When my dog vomits white foam, are there any illnesses that can cause it apart from an upset stomach?

Yes, for other symptoms than tummy trouble, problems like pancreatitis in dogs or infections caused by bugs like campylobacter could make them sick with white foam.

5. Can medicine for other diseases make my dog throw up this way too?

Definitely! Some medicines such as NSAIDs can upset your pet’s belly leading to issues including vomiting and sometimes even sores in their mouth.

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