1.2 - Dog Conditions

Why Is My Dog’s Nose Running? What a Runny Nose Could Mean

Is your furry friend’s nose constantly dripping? You’re probably wondering, “why is my dog’s nose running? Is it normal or should I be worried?”

Well, let’s stop with the questions and get to the answers.

While sometimes a runny nose is just a minor inconvenience, it can also signal a more significant health issue. 

As a pet parent, you want to ensure your four-legged friend is always in the best of health, and Maven Pet is here to be your ally in that mission. Understanding when a dog runny nose is normal and when it warrants attention is key to protecting your dog’s well-being. 

Now, let’s delve into the potential reasons behind a dog’s runny nose and how proactive monitoring can make all the difference.

What Causes a Runny Nose in Dogs?

Many factors can contribute to why do dogs have runny noses. Usually, it’s nothing serious, but it’s important to know the difference.

  • Allergies

Just like humans, dogs can suffer from allergies. Seasonal allergies to pollen, mold, and dust mites are frequent culprits. Food allergies or environmental irritants like smoke or perfumes can also cause nasal discharge. For example, if your dog has clear nasal discharge after a long outdoor walk in spring, it may simply be allergies—but thick yellow mucus could signal an infection.

  • Colds

Upper respiratory infections, often called “dog colds,” are another common reason for a runny nose. These infections, usually viral, can cause clear to slightly cloudy nasal discharge, along with sneezing or mild coughing.

  • Exercising 

Sometimes, physical exertion or excitement can lead to a temporary increase in mucus production, resulting in a clear, watery discharge. This is usually nothing to worry about and should resolve quickly.

  • Specific breeds

Brachycephalic breeds, those with short faces and flattened noses like Pugs, Bulldogs, and Boxers, are more prone to nasal issues. Their unique anatomy can sometimes lead to increased mucus production and a dog’s congested nose.

When Is a Runny Nose a Problem?

While a clear, occasional nasal drip might be harmless, certain signs indicate a more serious underlying issue.

  • When should I worry about the color and consistency of my dog’s nasal discharge? 

If the discharge is thick, yellow, green, or even bloody, your dog might have an infection. This could be a bacterial or fungal infection, which requires veterinary treatment.

  • Are there other symptoms to watch out for with a runny nose? 

Yes. If your dog’s runny nose is accompanied by coughing, persistent sneezing, lethargy (unusual tiredness), loss of appetite, difficulty breathing, or fever, it’s crucial to seek veterinary attention immediately. These signs suggest that the runny nose is not just a minor issue.

  • What if my dog’s runny nose lasts for more than a day or seems to be getting worse? 

Even if the discharge is clear, a persistent or worsening runny nose warrants a vet visit, as it could indicate an underlying condition that needs diagnosis and treatment.

Runny Nose in Puppies

A puppy’s runny nose requires extra attention. Puppies have developing immune systems, making them more vulnerable to infections.

  • Why is a runny nose in a puppy more concerning? 

Because their immune systems are still maturing, puppies can get sick more easily and their conditions can worsen quickly. A runny nose in a puppy can escalate into a more serious respiratory infection.

  • What other signs should I watch for in a puppy with a runny nose? 

Along with nasal discharge, be vigilant for signs of fever, coughing, sneezing, loss of appetite, or decreased energy levels. Early intervention is key to ensuring a positive outcome for a sick puppy.

How the Maven Pet Health Monitor Can Help

Keeping a close eye on your dog’s health is essential, and the Maven Pet Health Monitor acts as your ever-vigilant health guardian. 

Maven Pet
Health Monitor

#1 Vet-recommended pet monitor! Tracks activity, rest, respiratory rate, water intake, scratching and other health indicators 24/7

Once the sensor begins tracking your pet’s unique patterns, you gain access to this vital data through the Maven app, such as: 

  • Congestion
  • Labored breathing
  • Decreased activity

Not only can you view your dog’s activity and rest data, but you can also log any symptoms or observations you notice.

The power of the Maven Pet system lies in its continuous comparison of your dog’s current data against their established baseline. This information is then analyzed by Maven Pet’s advanced AI to look for subtle indicators of potential health issues. 

By delving into your pet’s individual data, medical history, and even health trends of specific breeds, Maven Pet performs an in-depth analysis, providing a comprehensive overview of their well-being for optimal pet wellness.

You can enjoy the peace of mind that comes with knowing potential problems are being monitored around the clock. 

What to Do If Your Dog’s Nose Is Running

If you notice your dog has a runny nose, here are some steps you can take:

  • Monitor for other symptoms

Keep a close eye on your dog’s behavior, appetite, energy levels, and any other signs of illness like coughing or sneezing.

  • Keep them hydrated and rested

Ensure your dog has access to fresh water and allow them plenty of rest.

  • Seek vet care if symptoms persist or worsen

Don’t hesitate to contact your vet if the runny nose doesn’t improve within a day, if the discharge changes color or consistency, or if your dog develops other concerning symptoms. 

Runny Nose No More!

Looking for answers to the question “why is my dog’s nose running?” involves recognizing the difference between normal, temporary discharge and signs that could indicate a health issue. 

While allergies or mild irritation can cause a runny nose, it’s crucial to be aware of discharge color, consistency, and accompanying symptoms. Early detection is vital, and tools like a pet smart collar like Maven Pet can provide valuable insights into your dog’s well-being.



Maven Pet focuses on improving the quality of life of our pets with technology, using artificial intelligence (AI) to enable proactive pet care. By accurately collecting and monitoring pet data 24/7 and flagging any irregularities, Maven Pet empowers pet parents and veterinarians to stay ahead of potential health issues, ensuring the well-being and longevity of our beloved companions.

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