Why Is My Dog Coughing Up White Foam?

Dogs are known for being loyal and friendly creatures. They make great pets, and many people consider them members of the family. However, dogs can sometimes be susceptible to health problems, just like humans. One common problem that dogs experience is coughing up white foam. A dog coughing up white foam is not normal and could indicate that the dog is experiencing a health issue. If your dog is coughing up white foam, you need to take him to the vet as soon as possible.

Why Is My Dog Coughing Up White Foam?

There are a number of reasons why dogs might cough up white foam. Let us explore them below:

Pneumonia

Pneumonia is a serious lung infection that can cause dogs to start coughing up white foam. The infection can be caused by various things, including bacteria, viruses, or fungi. If you think your dog might have pneumonia, take him to the vet for a diagnosis. Other symptoms of pneumonia include rapid breathing, lethargy, and loss of appetite.

If left untreated, pneumonia can be fatal. Therefore, you need to seek veterinary help if your dog shows any signs of this infection.

Tumors

Although it is rare, dogs can sometimes develop tumors in the lungs. These tumors can cause dogs to start coughing up white foam. If you notice your dog coughing up white foam and he does not seem to be getting better, take him to the vet for a diagnosis. Tumors are often treated with surgery or chemotherapy, depending on their size and location.

Foreign Object Ingestion

Sometimes, dogs will eat things that they should not, such as sticks, stones, or pieces of plastic. When these objects get stuck in the throat or stomach, they can cause dogs to start coughing up white foam. If you think your dog might have eaten something dangerous, take him to the vet for a check-up.

Bronchitis

Bronchitis is an infection of the bronchi, which are the tubes that carry air from the lungs to the throat. Bronchitis can cause dogs to start coughing up white foam, and it is often treated with antibiotics. Other symptoms of bronchitis include fever, coughing up blood, and difficulty breathing. If you suspect that your dog has bronchitis, take him to the vet for a check-up.

Cancer

Unfortunately, cancer is also a possible cause of dogs coughing up white foam. Cancer can affect any part of the body, including the lungs, and it is often treated with chemotherapy or radiation therapy. If you think your dog might have cancer, take him to the vet for a check-up. Other symptoms of cancer include weight loss, lethargy, and seizures.

Infection

Infections are another common reason why dogs might start coughing up white foam. Infections can be caused by various things, including viruses, bacteria, and parasites. If your dog has an infection, he will likely need to be treated with antibiotics or other medications. This way, the infection can be cleared up and your dog can start feeling better.

Heartworm disease

Heartworm disease is a serious, often fatal, illness caused by parasitic worms that live in the dogs’ hearts. The parasites are spread through the bite of an infected mosquito. Coughing up white foam can be one of the signs of heartworm disease. Other symptoms include shortness of breath, exercise intolerance, and coughing up blood. If you think your dog might have heartworm disease, take him to the vet for a diagnosis.

Seeing your dog cough up white foam can be worrying, but most of the time it’s nothing serious. However, if you notice that your dog is coughing up white foam on a regular basis, or if he has any other unusual symptoms, take him to the vet for a check-up. Cancer and infections are both serious conditions that should be treated as soon as possible.

dog coughing up white foam - dog lying on pillow

What Are Less-Threatening Causes Of Dogs Coughing Up White Foam?

There are other, less serious causes of dogs coughing up white foam. These causes can include:

Allergies

Dogs that are having an allergic reaction to something might start coughing up white foam. Some common allergens that dogs can be allergic to include pollen, dust, and mites. If you think your dog might be having an allergic reaction, take him to the vet for a diagnosis.

Other symptoms that could indicate an allergic reaction include sneezing, tearing up, and a rash. If you notice these symptoms in conjunction with the coughing, it is definitely time to take your dog to the vet.

Kennel cough

Kennel cough is a contagious respiratory infection that dogs can get from other dogs. The coughing is usually accompanied by a thick, white foam coming up from the dog’s nose and mouth. Kennel’s cough is treated with antibiotics, so it’s important to take your dog to the vet if you think he might have it.

Globus hystericus

This is a rare condition that causes dogs to start coughing for no apparent reason. The coughing often produces thick, white foam. Dogs with Globus hystericus usually don’t have any other symptoms, but in some cases, they may vomit or have a fever. If your dog starts coughing for no reason and produces white foam, take him to the vet for an evaluation.

If your dog has been coughing and you haven’t been able to determine the cause, take him to the vet for an evaluation. He may need x-rays or other tests to determine what’s causing his cough. Treatment will depend on the underlying cause but may include antibiotics, anti-inflammatory medications, or surgery.

Most of the time, dogs coughing up white foam isn’t a sign of anything serious, but it’s important to get it checked out just in case. If your dog has been coughing up white foam and you acted immediately to have him evaluated by a veterinarian, you may have saved his life. So don’t wait! If you’re concerned about your dog’s health, take him to the vet immediately.

What Should I Do If My Dog Starts Coughing Up White Foam?

If your dog starts coughing up white foam, take him to the vet as soon as possible. In most cases of dogs coughing up white foam, time is of the essence, and the sooner your dog is evaluated, the better. The veterinarian will be able to determine the underlying cause and start treatment.

While you’re waiting for your appointment, keep a close eye on your dog and monitor his breathing. If he starts having trouble breathing, take him to the emergency room.

It’s important to remember that while most cases of dogs coughing up white foam are not serious, some can be life-threatening. So if you have any concerns at all, don’t hesitate to call your veterinarian or take your dog to the emergency room.

Why Is My Dog Coughing Up White Foam After Running Around?

Sometimes, dogs will start coughing up white foam after running around and playing. This is usually nothing to worry about and is just the result of your dog getting a little bit excited.

However, if your dog has been coughing up white foam for more than a day or two, or if he’s having trouble breathing, you should take him to the veterinarian.

Why Is My Dog Coughing Up White Foam When He Sneezes?

If your dog is sneezing and coughing up white foam, it’s most likely because he has a respiratory infection. Viruses or bacteria can cause these infections, and they can be quite serious. That’s why it’s important to take your dog to the veterinarian as soon as possible if you notice that he’s been coughing up white foam. The vet will be able to give him the treatment he needs to get better.

Statistically, dogs are most likely to develop respiratory infections in the winter months. This is because there’s usually an increase in airborne viruses and bacteria during colder weather. Dogs who spend a lot of time outdoors are especially prone to respiratory infections, as are dogs who live in high-traffic areas.

dog coughing up white foam - white foam

FAQs About Dogs Coughing Up White Foam

Are there home remedies for a dog vomiting white foam?

No, there is no specific home remedy for a dog that is vomiting white foam. This is because you do not know the exact reason why the dog is vomiting. This means that you cannot treat it specifically. If your dog is vomiting white foam, it is best to take him to the veterinarian so it can get the treatment it needs.

Why is my dog coughing up white foam at night?

There are many reasons why a dog might cough up white foam at night. Some of the most common reasons include respiratory infections, allergies, and gastric reflux. If your dog is coughing up white foam at night, it is best to take him to the veterinarian so that it can get the treatment it needs.

Why is my dog coughing up white foam when excited?

Dogs might cough up white foam when they are excited because of all the physical activity. This is generally nothing to worry about and will usually stop once the dog calms down.

Why is my senior dog coughing up white foam?

There are a number of reasons why a senior dog might start coughing up white foam. Some common causes include respiratory infections, cancer, and heart disease. If your senior dog is coughing up white foam, it is important to take him to the veterinarian for an evaluation.

Why is my dog vomiting white foam and not eating?

There are a number of potential causes for dogs to vomit white foam, including intestinal blockages, pancreatitis, and poisoning. If your dog is vomiting white foam and not eating, it is important to take him to the veterinarian for an evaluation.

Why is my dog coughing up white foam after running?

It’s possible that your dog is coughing up white foam because he is out of breath. dogs might also start coughing up white foam after running if they have a respiratory infection. If your dog is coughing up white foam after running, it is important to take him to the veterinarian for an evaluation.

Why is my dog throwing up thick white mucus with food?

It is possible that your dog has an intestinal blockage. dogs might also start throwing up thick white mucus with food if they have pancreatitis or poisoning. If your dog is vomiting thick white mucus with food, it is important to take him to the veterinarian for an evaluation.

Final Thoughts

Why is my dog coughing up white foam? There are a number of potential reasons, but the most common one is a respiratory infection. If your dog is coughing up white foam, you need to immediately take him to the veterinarian for treatment. 

Treatment will vary depending on the underlying cause but could include antibiotics, anti-inflammatories, or other medications. In some cases, surgery may be required. It is important to get your dog treated as soon as possible if he is showing any of these symptoms.

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by Nicole Barnett

Nicole has been a freelance writer for over 10 years. She has three dogs, two of which she rescued from the streets. When not furiously typing away at her computer, you’d either find her chasing after her adorable dogs and kids, or volunteering at a local shelter.

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